1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * fs/f2fs/f2fs.h 4 * 5 * Copyright (c) 2012 Samsung Electronics Co., Ltd. 6 * http://www.samsung.com/ 7 */ 8 #ifndef _LINUX_F2FS_H 9 #define _LINUX_F2FS_H 10 11 #include <linux/uio.h> 12 #include <linux/types.h> 13 #include <linux/mmzone.h> 14 #include <linux/page-flags.h> 15 #include <linux/slab.h> 16 #include <linux/crc32.h> 17 #include <linux/magic.h> 18 #include <linux/kobject.h> 19 #include <linux/sched.h> 20 #include <linux/cred.h> 21 #include <linux/sched/mm.h> 22 #include <linux/vmalloc.h> 23 #include <linux/bio.h> 24 #include <linux/blkdev.h> 25 #include <linux/quotaops.h> 26 #include <linux/part_stat.h> 27 #include <linux/rw_hint.h> 28 29 #include <linux/fscrypt.h> 30 #include <linux/fsverity.h> 31 32 #ifdef CONFIG_F2FS_CHECK_FS 33 #define f2fs_bug_on(sbi, condition) BUG_ON(condition) 34 #else 35 #define f2fs_bug_on(sbi, condition) \ 36 do { \ 37 if (WARN_ON(condition)) \ 38 set_sbi_flag(sbi, SBI_NEED_FSCK); \ 39 } while (0) 40 #endif 41 42 enum { 43 FAULT_KMALLOC, 44 FAULT_KVMALLOC, 45 FAULT_PAGE_ALLOC, 46 FAULT_PAGE_GET, 47 FAULT_ALLOC_BIO, /* it's obsolete due to bio_alloc() will never fail */ 48 FAULT_ALLOC_NID, 49 FAULT_ORPHAN, 50 FAULT_BLOCK, 51 FAULT_DIR_DEPTH, 52 FAULT_EVICT_INODE, 53 FAULT_TRUNCATE, 54 FAULT_READ_IO, 55 FAULT_CHECKPOINT, 56 FAULT_DISCARD, /* it's obsolete due to __blkdev_issue_discard() will never fail */ 57 FAULT_WRITE_IO, 58 FAULT_SLAB_ALLOC, 59 FAULT_DQUOT_INIT, 60 FAULT_LOCK_OP, 61 FAULT_BLKADDR_VALIDITY, 62 FAULT_BLKADDR_CONSISTENCE, 63 FAULT_NO_SEGMENT, 64 FAULT_INCONSISTENT_FOOTER, 65 FAULT_ATOMIC_TIMEOUT, 66 FAULT_VMALLOC, 67 FAULT_LOCK_TIMEOUT, 68 FAULT_SKIP_WRITE, 69 FAULT_MAX, 70 }; 71 72 /* indicate which option to update */ 73 enum fault_option { 74 FAULT_RATE = 1, /* only update fault rate */ 75 FAULT_TYPE = 2, /* only update fault type */ 76 FAULT_TIMEOUT = 4, /* only update fault timeout type */ 77 FAULT_ALL = 8, /* reset all fault injection options/stats */ 78 }; 79 80 #ifdef CONFIG_F2FS_FAULT_INJECTION 81 struct f2fs_fault_info { 82 atomic_t inject_ops; 83 int inject_rate; 84 unsigned int inject_type; 85 /* Used to account total count of injection for each type */ 86 unsigned int inject_count[FAULT_MAX]; 87 unsigned int inject_lock_timeout; /* inject lock timeout */ 88 }; 89 90 extern const char *f2fs_fault_name[FAULT_MAX]; 91 #define IS_FAULT_SET(fi, type) ((fi)->inject_type & BIT(type)) 92 93 /* maximum retry count for injected failure */ 94 #define DEFAULT_FAILURE_RETRY_COUNT 8 95 #else 96 #define DEFAULT_FAILURE_RETRY_COUNT 1 97 #endif 98 99 enum { 100 REPORT_FAULT_NEED_FSCK, 101 REPORT_FAULT_STOP_CP, 102 REPORT_FAULT_MAX, 103 }; 104 105 void f2fs_fault_report(struct super_block *sb, unsigned int err_code, 106 const char *func, unsigned int data); 107 108 /* 109 * For mount options 110 */ 111 enum f2fs_mount_opt { 112 F2FS_MOUNT_DISABLE_ROLL_FORWARD, 113 F2FS_MOUNT_DISCARD, 114 F2FS_MOUNT_NOHEAP, 115 F2FS_MOUNT_XATTR_USER, 116 F2FS_MOUNT_POSIX_ACL, 117 F2FS_MOUNT_DISABLE_EXT_IDENTIFY, 118 F2FS_MOUNT_INLINE_XATTR, 119 F2FS_MOUNT_INLINE_DATA, 120 F2FS_MOUNT_INLINE_DENTRY, 121 F2FS_MOUNT_FLUSH_MERGE, 122 F2FS_MOUNT_NOBARRIER, 123 F2FS_MOUNT_FASTBOOT, 124 F2FS_MOUNT_READ_EXTENT_CACHE, 125 F2FS_MOUNT_DATA_FLUSH, 126 F2FS_MOUNT_FAULT_INJECTION, 127 F2FS_MOUNT_USRQUOTA, 128 F2FS_MOUNT_GRPQUOTA, 129 F2FS_MOUNT_PRJQUOTA, 130 F2FS_MOUNT_QUOTA, 131 F2FS_MOUNT_INLINE_XATTR_SIZE, 132 F2FS_MOUNT_RESERVE_ROOT, 133 F2FS_MOUNT_DISABLE_CHECKPOINT, 134 F2FS_MOUNT_NORECOVERY, 135 F2FS_MOUNT_ATGC, 136 F2FS_MOUNT_MERGE_CHECKPOINT, 137 F2FS_MOUNT_GC_MERGE, 138 F2FS_MOUNT_COMPRESS_CACHE, 139 F2FS_MOUNT_AGE_EXTENT_CACHE, 140 F2FS_MOUNT_NAT_BITS, 141 F2FS_MOUNT_INLINECRYPT, 142 /* 143 * Some f2fs environments expect to be able to pass the "lazytime" option 144 * string rather than using the MS_LAZYTIME flag, so this must remain. 145 */ 146 F2FS_MOUNT_LAZYTIME, 147 F2FS_MOUNT_RESERVE_NODE, 148 }; 149 150 #define F2FS_OPTION(sbi) ((sbi)->mount_opt) 151 #define clear_opt(sbi, option) \ 152 (F2FS_OPTION(sbi).opt &= ~BIT(F2FS_MOUNT_##option)) 153 #define set_opt(sbi, option) \ 154 (F2FS_OPTION(sbi).opt |= BIT(F2FS_MOUNT_##option)) 155 #define test_opt(sbi, option) \ 156 (F2FS_OPTION(sbi).opt & BIT(F2FS_MOUNT_##option)) 157 158 #define ver_after(a, b) (typecheck(unsigned long long, a) && \ 159 typecheck(unsigned long long, b) && \ 160 ((long long)((a) - (b)) > 0)) 161 162 typedef u32 block_t; /* 163 * should not change u32, since it is the on-disk block 164 * address format, __le32. 165 */ 166 typedef u32 nid_t; 167 168 #define COMPRESS_EXT_NUM 16 169 170 enum blkzone_allocation_policy { 171 BLKZONE_ALLOC_PRIOR_SEQ, /* Prioritize writing to sequential zones */ 172 BLKZONE_ALLOC_ONLY_SEQ, /* Only allow writing to sequential zones */ 173 BLKZONE_ALLOC_PRIOR_CONV, /* Prioritize writing to conventional zones */ 174 }; 175 176 enum bggc_io_aware_policy { 177 AWARE_ALL_IO, /* skip background GC if there is any kind of pending IO */ 178 AWARE_READ_IO, /* skip background GC if there is pending read IO */ 179 AWARE_NONE, /* don't aware IO for background GC */ 180 }; 181 182 enum device_allocation_policy { 183 ALLOCATE_FORWARD_NOHINT, 184 ALLOCATE_FORWARD_WITHIN_HINT, 185 ALLOCATE_FORWARD_FROM_HINT, 186 }; 187 188 enum f2fs_lock_name { 189 LOCK_NAME_NONE, 190 LOCK_NAME_CP_RWSEM, 191 LOCK_NAME_NODE_CHANGE, 192 LOCK_NAME_NODE_WRITE, 193 LOCK_NAME_GC_LOCK, 194 LOCK_NAME_CP_GLOBAL, 195 LOCK_NAME_IO_RWSEM, 196 LOCK_NAME_NAT_TREE_LOCK, 197 LOCK_NAME_MAX, 198 }; 199 200 enum f2fs_timeout_type { 201 TIMEOUT_TYPE_NONE, 202 TIMEOUT_TYPE_RUNNING, 203 TIMEOUT_TYPE_IO_SLEEP, 204 TIMEOUT_TYPE_NONIO_SLEEP, 205 TIMEOUT_TYPE_RUNNABLE, 206 TIMEOUT_TYPE_MAX, 207 }; 208 209 /* 210 * An implementation of an rwsem that is explicitly unfair to readers. This 211 * prevents priority inversion when a low-priority reader acquires the read lock 212 * while sleeping on the write lock but the write lock is needed by 213 * higher-priority clients. 214 */ 215 216 struct f2fs_rwsem { 217 struct f2fs_sb_info *sbi; 218 enum f2fs_lock_name name; 219 struct rw_semaphore internal_rwsem; 220 #ifdef CONFIG_F2FS_UNFAIR_RWSEM 221 wait_queue_head_t read_waiters; 222 #endif 223 }; 224 225 struct f2fs_mount_info { 226 unsigned long long opt; 227 block_t root_reserved_blocks; /* root reserved blocks */ 228 block_t root_reserved_nodes; /* root reserved nodes */ 229 kuid_t s_resuid; /* reserved blocks for uid */ 230 kgid_t s_resgid; /* reserved blocks for gid */ 231 int active_logs; /* # of active logs */ 232 int inline_xattr_size; /* inline xattr size */ 233 #ifdef CONFIG_F2FS_FAULT_INJECTION 234 struct f2fs_fault_info fault_info; /* For fault injection */ 235 #endif 236 #ifdef CONFIG_QUOTA 237 /* Names of quota files with journalled quota */ 238 char *s_qf_names[MAXQUOTAS]; 239 int s_jquota_fmt; /* Format of quota to use */ 240 #endif 241 /* For which write hints are passed down to block layer */ 242 int alloc_mode; /* segment allocation policy */ 243 int fsync_mode; /* fsync policy */ 244 int fs_mode; /* fs mode: LFS or ADAPTIVE */ 245 int bggc_mode; /* bggc mode: off, on or sync */ 246 int memory_mode; /* memory mode */ 247 int errors; /* errors parameter */ 248 int discard_unit; /* 249 * discard command's offset/size should 250 * be aligned to this unit: block, 251 * segment or section 252 */ 253 struct fscrypt_dummy_policy dummy_enc_policy; /* test dummy encryption */ 254 block_t unusable_cap_perc; /* percentage for cap */ 255 block_t unusable_cap; /* Amount of space allowed to be 256 * unusable when disabling checkpoint 257 */ 258 unsigned int resizable_tail_secno; /* number of resizable tail sections */ 259 260 /* For compression */ 261 unsigned char compress_algorithm; /* algorithm type */ 262 unsigned char compress_log_size; /* cluster log size */ 263 unsigned char compress_level; /* compress level */ 264 bool compress_chksum; /* compressed data chksum */ 265 unsigned char compress_ext_cnt; /* extension count */ 266 unsigned char nocompress_ext_cnt; /* nocompress extension count */ 267 int compress_mode; /* compression mode */ 268 unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */ 269 unsigned char noextensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */ 270 unsigned int lookup_mode; 271 }; 272 273 #define F2FS_FEATURE_ENCRYPT 0x00000001 274 #define F2FS_FEATURE_BLKZONED 0x00000002 275 #define F2FS_FEATURE_ATOMIC_WRITE 0x00000004 276 #define F2FS_FEATURE_EXTRA_ATTR 0x00000008 277 #define F2FS_FEATURE_PRJQUOTA 0x00000010 278 #define F2FS_FEATURE_INODE_CHKSUM 0x00000020 279 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x00000040 280 #define F2FS_FEATURE_QUOTA_INO 0x00000080 281 #define F2FS_FEATURE_INODE_CRTIME 0x00000100 282 #define F2FS_FEATURE_LOST_FOUND 0x00000200 283 #define F2FS_FEATURE_VERITY 0x00000400 284 #define F2FS_FEATURE_SB_CHKSUM 0x00000800 285 #define F2FS_FEATURE_CASEFOLD 0x00001000 286 #define F2FS_FEATURE_COMPRESSION 0x00002000 287 #define F2FS_FEATURE_RO 0x00004000 288 #define F2FS_FEATURE_DEVICE_ALIAS 0x00008000 289 #define F2FS_FEATURE_PACKED_SSA 0x00010000 290 291 #define __F2FS_HAS_FEATURE(raw_super, mask) \ 292 ((raw_super->feature & cpu_to_le32(mask)) != 0) 293 #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask) 294 295 /* 296 * Default values for user and/or group using reserved blocks 297 */ 298 #define F2FS_DEF_RESUID 0 299 #define F2FS_DEF_RESGID 0 300 301 /* 302 * For checkpoint manager 303 */ 304 enum { 305 NAT_BITMAP, 306 SIT_BITMAP 307 }; 308 309 #define CP_UMOUNT 0x00000001 310 #define CP_FASTBOOT 0x00000002 311 #define CP_SYNC 0x00000004 312 #define CP_RECOVERY 0x00000008 313 #define CP_DISCARD 0x00000010 314 #define CP_TRIMMED 0x00000020 315 #define CP_PAUSE 0x00000040 316 #define CP_RESIZE 0x00000080 317 318 #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */ 319 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ 320 #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */ 321 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ 322 #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */ 323 #define DEF_CP_INTERVAL 60 /* 60 secs */ 324 #define DEF_IDLE_INTERVAL 5 /* 5 secs */ 325 #define DEF_DISABLE_INTERVAL 5 /* 5 secs */ 326 #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */ 327 #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */ 328 329 enum cp_time { 330 CP_TIME_START, /* begin */ 331 CP_TIME_LOCK, /* after cp_global_sem */ 332 CP_TIME_OP_LOCK, /* after block_operation */ 333 CP_TIME_MERGE_WRITE, /* after flush DATA/NODE/META */ 334 CP_TIME_FLUSH_NAT, /* after flush nat */ 335 CP_TIME_FLUSH_SIT, /* after flush sit */ 336 CP_TIME_SYNC_META, /* after sync_meta_pages */ 337 CP_TIME_SYNC_CP_META, /* after sync cp meta pages */ 338 CP_TIME_WAIT_DIRTY_META,/* after wait on dirty meta */ 339 CP_TIME_WAIT_CP_DATA, /* after wait on cp data */ 340 CP_TIME_FLUSH_DEVICE, /* after flush device cache */ 341 CP_TIME_WAIT_LAST_CP, /* after wait on last cp pack */ 342 CP_TIME_END, /* after unblock_operation */ 343 CP_TIME_MAX, 344 }; 345 346 /* time cost stats of checkpoint */ 347 struct cp_stats { 348 ktime_t times[CP_TIME_MAX]; 349 }; 350 351 struct cp_control { 352 int reason; 353 __u64 trim_start; 354 __u64 trim_end; 355 __u64 trim_minlen; 356 struct cp_stats stats; 357 }; 358 359 enum f2fs_cp_phase { 360 CP_PHASE_START_BLOCK_OPS, 361 CP_PHASE_FINISH_BLOCK_OPS, 362 CP_PHASE_FINISH_CHECKPOINT, 363 }; 364 365 /* 366 * indicate meta/data type 367 */ 368 enum { 369 META_CP, 370 META_NAT, 371 META_SIT, 372 META_SSA, 373 META_MAX, 374 META_POR, 375 DATA_GENERIC, /* check range only */ 376 DATA_GENERIC_ENHANCE, /* strong check on range and segment bitmap */ 377 DATA_GENERIC_ENHANCE_READ, /* 378 * strong check on range and segment 379 * bitmap but no warning due to race 380 * condition of read on truncated area 381 * by extent_cache 382 */ 383 DATA_GENERIC_ENHANCE_UPDATE, /* 384 * strong check on range and segment 385 * bitmap for update case 386 */ 387 META_GENERIC, 388 }; 389 390 /* for the list of ino */ 391 enum { 392 ORPHAN_INO, /* for orphan ino list */ 393 FLUSH_INO, /* for multiple device flushing */ 394 APPEND_INO, /* for append ino list */ 395 UPDATE_INO, /* for update ino list */ 396 TRANS_DIR_INO, /* for transactions dir ino list */ 397 XATTR_DIR_INO, /* for xattr updated dir ino list */ 398 MAX_INO_ENTRY, /* max. list */ 399 }; 400 401 #define INO_BITS_PER_SLOT BITS_PER_XA_VALUE 402 #define INO_SLOT_INDEX(ino) ((ino) / INO_BITS_PER_SLOT) 403 #define INO_BIT_OFFSET(ino) ((ino) % INO_BITS_PER_SLOT) 404 405 struct ino_entry { 406 struct list_head list; /* list head */ 407 nid_t ino; /* inode number */ 408 unsigned int dirty_device; /* dirty device bitmap */ 409 }; 410 411 /* for the list of inodes to be GCed */ 412 struct inode_entry { 413 struct list_head list; /* list head */ 414 struct inode *inode; /* vfs inode pointer */ 415 }; 416 417 struct fsync_node_entry { 418 struct list_head list; /* list head */ 419 struct folio *folio; /* warm node folio pointer */ 420 unsigned int seq_id; /* sequence id */ 421 }; 422 423 struct ckpt_req { 424 struct completion wait; /* completion for checkpoint done */ 425 struct llist_node llnode; /* llist_node to be linked in wait queue */ 426 int ret; /* return code of checkpoint */ 427 union { 428 ktime_t queue_time; /* request queued time */ 429 ktime_t delta_time; /* time in queue */ 430 }; 431 }; 432 433 struct ckpt_req_control { 434 struct task_struct *f2fs_issue_ckpt; /* checkpoint task */ 435 int ckpt_thread_ioprio; /* checkpoint merge thread ioprio */ 436 wait_queue_head_t ckpt_wait_queue; /* waiting queue for wake-up */ 437 atomic_t issued_ckpt; /* # of actually issued ckpts */ 438 atomic_t total_ckpt; /* # of total ckpts */ 439 atomic_t queued_ckpt; /* # of queued ckpts */ 440 struct llist_head issue_list; /* list for command issue */ 441 spinlock_t stat_lock; /* lock for below checkpoint time stats */ 442 unsigned int cur_time; /* cur wait time in msec for currently issued checkpoint */ 443 unsigned int peak_time; /* peak wait time in msec until now */ 444 }; 445 446 /* a time threshold that checkpoint was blocked for, unit: ms */ 447 #define CP_LONG_LATENCY_THRESHOLD 5000 448 449 /* for the bitmap indicate blocks to be discarded */ 450 struct discard_entry { 451 struct list_head list; /* list head */ 452 block_t start_blkaddr; /* start blockaddr of current segment */ 453 unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ 454 }; 455 456 /* minimum discard granularity, unit: block count */ 457 #define MIN_DISCARD_GRANULARITY 1 458 /* default discard granularity of inner discard thread, unit: block count */ 459 #define DEFAULT_DISCARD_GRANULARITY 16 460 /* default maximum discard granularity of ordered discard, unit: block count */ 461 #define DEFAULT_MAX_ORDERED_DISCARD_GRANULARITY 16 462 /* default interval of periodical discard submission */ 463 #define DEFAULT_DISCARD_INTERVAL (msecs_to_jiffies(20)) 464 465 /* max discard pend list number */ 466 #define MAX_PLIST_NUM 512 467 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ 468 (MAX_PLIST_NUM - 1) : ((blk_num) - 1)) 469 470 enum { 471 D_PREP, /* initial */ 472 D_PARTIAL, /* partially submitted */ 473 D_SUBMIT, /* all submitted */ 474 D_DONE, /* finished */ 475 }; 476 477 struct discard_info { 478 block_t lstart; /* logical start address */ 479 block_t len; /* length */ 480 block_t start; /* actual start address in dev */ 481 }; 482 483 struct discard_cmd { 484 struct rb_node rb_node; /* rb node located in rb-tree */ 485 struct discard_info di; /* discard info */ 486 struct list_head list; /* command list */ 487 struct completion wait; /* completion */ 488 struct block_device *bdev; /* bdev */ 489 unsigned short ref; /* reference count */ 490 unsigned char state; /* state */ 491 unsigned char queued; /* queued discard */ 492 int error; /* bio error */ 493 spinlock_t lock; /* for state/bio_ref updating */ 494 unsigned short bio_ref; /* bio reference count */ 495 }; 496 497 enum { 498 DPOLICY_BG, 499 DPOLICY_FORCE, 500 DPOLICY_FSTRIM, 501 DPOLICY_UMOUNT, 502 MAX_DPOLICY, 503 }; 504 505 enum { 506 DPOLICY_IO_AWARE_DISABLE, /* force to not be aware of IO */ 507 DPOLICY_IO_AWARE_ENABLE, /* force to be aware of IO */ 508 DPOLICY_IO_AWARE_MAX, 509 }; 510 511 struct discard_policy { 512 int type; /* type of discard */ 513 unsigned int min_interval; /* used for candidates exist */ 514 unsigned int mid_interval; /* used for device busy */ 515 unsigned int max_interval; /* used for candidates not exist */ 516 unsigned int max_requests; /* # of discards issued per round */ 517 unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */ 518 bool io_aware; /* issue discard in idle time */ 519 bool sync; /* submit discard with REQ_SYNC flag */ 520 bool ordered; /* issue discard by lba order */ 521 bool timeout; /* discard timeout for put_super */ 522 unsigned int granularity; /* discard granularity */ 523 }; 524 525 struct discard_cmd_control { 526 struct task_struct *f2fs_issue_discard; /* discard thread */ 527 struct list_head entry_list; /* 4KB discard entry list */ 528 struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ 529 struct list_head wait_list; /* store on-flushing entries */ 530 struct list_head fstrim_list; /* in-flight discard from fstrim */ 531 wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ 532 struct mutex cmd_lock; 533 unsigned int nr_discards; /* # of discards in the list */ 534 unsigned int max_discards; /* max. discards to be issued */ 535 unsigned int max_discard_request; /* max. discard request per round */ 536 unsigned int min_discard_issue_time; /* min. interval between discard issue */ 537 unsigned int mid_discard_issue_time; /* mid. interval between discard issue */ 538 unsigned int max_discard_issue_time; /* max. interval between discard issue */ 539 unsigned int discard_io_aware_gran; /* minimum discard granularity not be aware of I/O */ 540 unsigned int discard_urgent_util; /* utilization which issue discard proactively */ 541 unsigned int discard_granularity; /* discard granularity */ 542 unsigned int max_ordered_discard; /* maximum discard granularity issued by lba order */ 543 unsigned int discard_io_aware; /* io_aware policy */ 544 unsigned int undiscard_blks; /* # of undiscard blocks */ 545 unsigned int next_pos; /* next discard position */ 546 atomic_t issued_discard; /* # of issued discard */ 547 atomic_t queued_discard; /* # of queued discard */ 548 atomic_t discard_cmd_cnt; /* # of cached cmd count */ 549 struct rb_root_cached root; /* root of discard rb-tree */ 550 bool rbtree_check; /* config for consistence check */ 551 bool discard_wake; /* to wake up discard thread */ 552 }; 553 554 /* for the list of fsync inodes, used only during recovery */ 555 struct fsync_inode_entry { 556 struct list_head list; /* list head */ 557 struct inode *inode; /* vfs inode pointer */ 558 block_t blkaddr; /* block address locating the last fsync */ 559 block_t last_dentry; /* block address locating the last dentry */ 560 }; 561 562 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) 563 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) 564 565 #define nat_in_journal(jnl, i) \ 566 (((struct nat_journal_entry *)(jnl)->nat_j.entries)[i].ne) 567 #define nid_in_journal(jnl, i) \ 568 (((struct nat_journal_entry *)(jnl)->nat_j.entries)[i].nid) 569 #define sit_in_journal(jnl, i) \ 570 (((struct sit_journal_entry *)(jnl)->sit_j.entries)[i].se) 571 #define segno_in_journal(jnl, i) \ 572 (((struct sit_journal_entry *)(jnl)->sit_j.entries)[i].segno) 573 574 #define sum_entries(sum) ((struct f2fs_summary *)(sum)) 575 #define sum_journal(sbi, sum) \ 576 ((struct f2fs_journal *)((char *)(sum) + \ 577 ((sbi)->entries_in_sum * sizeof(struct f2fs_summary)))) 578 #define sum_footer(sbi, sum) \ 579 ((struct summary_footer *)((char *)(sum) + (sbi)->sum_blocksize - \ 580 sizeof(struct summary_footer))) 581 582 #define MAX_NAT_JENTRIES(sbi, jnl) ((sbi)->nat_journal_entries - nats_in_cursum(jnl)) 583 #define MAX_SIT_JENTRIES(sbi, jnl) ((sbi)->sit_journal_entries - sits_in_cursum(jnl)) 584 585 static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) 586 { 587 int before = nats_in_cursum(journal); 588 589 journal->n_nats = cpu_to_le16(before + i); 590 return before; 591 } 592 593 static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) 594 { 595 int before = sits_in_cursum(journal); 596 597 journal->n_sits = cpu_to_le16(before + i); 598 return before; 599 } 600 601 /* for inline stuff */ 602 #define DEF_INLINE_RESERVED_SIZE 1 603 static inline int get_extra_isize(struct inode *inode); 604 static inline int get_inline_xattr_addrs(struct inode *inode); 605 #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ 606 (CUR_ADDRS_PER_INODE(inode) - \ 607 get_inline_xattr_addrs(inode) - \ 608 DEF_INLINE_RESERVED_SIZE)) 609 610 /* for inline dir */ 611 #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ 612 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ 613 BITS_PER_BYTE + 1)) 614 #define INLINE_DENTRY_BITMAP_SIZE(inode) \ 615 DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE) 616 #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ 617 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ 618 NR_INLINE_DENTRY(inode) + \ 619 INLINE_DENTRY_BITMAP_SIZE(inode))) 620 621 /* 622 * For INODE and NODE manager 623 */ 624 /* for directory operations */ 625 626 struct f2fs_filename { 627 /* 628 * The filename the user specified. This is NULL for some 629 * filesystem-internal operations, e.g. converting an inline directory 630 * to a non-inline one, or roll-forward recovering an encrypted dentry. 631 */ 632 const struct qstr *usr_fname; 633 634 /* 635 * The on-disk filename. For encrypted directories, this is encrypted. 636 * This may be NULL for lookups in an encrypted dir without the key. 637 */ 638 struct fscrypt_str disk_name; 639 640 /* The dirhash of this filename */ 641 f2fs_hash_t hash; 642 643 #ifdef CONFIG_FS_ENCRYPTION 644 /* 645 * For lookups in encrypted directories: either the buffer backing 646 * disk_name, or a buffer that holds the decoded no-key name. 647 */ 648 struct fscrypt_str crypto_buf; 649 #endif 650 #if IS_ENABLED(CONFIG_UNICODE) 651 /* 652 * For casefolded directories: the casefolded name, but it's left NULL 653 * if the original name is not valid Unicode, if the original name is 654 * "." or "..", if the directory is both casefolded and encrypted and 655 * its encryption key is unavailable, or if the filesystem is doing an 656 * internal operation where usr_fname is also NULL. In all these cases 657 * we fall back to treating the name as an opaque byte sequence. 658 */ 659 struct qstr cf_name; 660 #endif 661 }; 662 663 struct f2fs_dentry_ptr { 664 struct inode *inode; 665 void *bitmap; 666 struct f2fs_dir_entry *dentry; 667 __u8 (*filename)[F2FS_SLOT_LEN]; 668 int max; 669 int nr_bitmap; 670 }; 671 672 static inline void make_dentry_ptr_block(struct inode *inode, 673 struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) 674 { 675 d->inode = inode; 676 d->max = NR_DENTRY_IN_BLOCK; 677 d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; 678 d->bitmap = t->dentry_bitmap; 679 d->dentry = t->dentry; 680 d->filename = t->filename; 681 } 682 683 static inline void make_dentry_ptr_inline(struct inode *inode, 684 struct f2fs_dentry_ptr *d, void *t) 685 { 686 int entry_cnt = NR_INLINE_DENTRY(inode); 687 int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); 688 int reserved_size = INLINE_RESERVED_SIZE(inode); 689 690 d->inode = inode; 691 d->max = entry_cnt; 692 d->nr_bitmap = bitmap_size; 693 d->bitmap = t; 694 d->dentry = t + bitmap_size + reserved_size; 695 d->filename = t + bitmap_size + reserved_size + 696 SIZE_OF_DIR_ENTRY * entry_cnt; 697 } 698 699 /* 700 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 701 * as its node offset to distinguish from index node blocks. 702 * But some bits are used to mark the node block. 703 */ 704 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ 705 >> OFFSET_BIT_SHIFT) 706 enum { 707 ALLOC_NODE, /* allocate a new node page if needed */ 708 LOOKUP_NODE, /* look up a node without readahead */ 709 LOOKUP_NODE_RA, /* 710 * look up a node with readahead called 711 * by get_data_block. 712 */ 713 }; 714 715 #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO or flush count */ 716 717 #define MAX_FLUSH_RETRY_COUNT 3 /* maximum flush retry count in f2fs_enable_checkpoint() */ 718 719 /* IO/non-IO congestion wait timeout value, default: 1 jiffies */ 720 #define DEFAULT_SCHEDULE_TIMEOUT 1 721 722 /* timeout value injected, default: 1000ms */ 723 #define DEFAULT_FAULT_TIMEOUT (msecs_to_jiffies(1000)) 724 725 /* maximum retry quota flush count */ 726 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8 727 728 /* maximum retry of EIO'ed page */ 729 #define MAX_RETRY_PAGE_EIO 100 730 731 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ 732 733 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ 734 735 /* dirty segments threshold for triggering CP */ 736 #define DEFAULT_DIRTY_THRESHOLD 4 737 738 #define RECOVERY_MAX_RA_BLOCKS BIO_MAX_VECS 739 #define RECOVERY_MIN_RA_BLOCKS 1 740 741 #define F2FS_ONSTACK_PAGES 16 /* nr of onstack pages */ 742 743 /* for in-memory extent cache entry */ 744 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ 745 746 /* number of extent info in extent cache we try to shrink */ 747 #define READ_EXTENT_CACHE_SHRINK_NUMBER 128 748 749 /* number of age extent info in extent cache we try to shrink */ 750 #define AGE_EXTENT_CACHE_SHRINK_NUMBER 128 751 #define LAST_AGE_WEIGHT 30 752 #define SAME_AGE_REGION 1024 753 754 /* 755 * Define data block with age less than 1GB as hot data 756 * define data block with age less than 10GB but more than 1GB as warm data 757 */ 758 #define DEF_HOT_DATA_AGE_THRESHOLD 262144 759 #define DEF_WARM_DATA_AGE_THRESHOLD 2621440 760 761 /* default max read extent count per inode */ 762 #define DEF_MAX_READ_EXTENT_COUNT 10240 763 764 /* extent cache type */ 765 enum extent_type { 766 EX_READ, 767 EX_BLOCK_AGE, 768 NR_EXTENT_CACHES, 769 }; 770 771 /* 772 * Reserved value to mark invalid age extents, hence valid block range 773 * from 0 to ULLONG_MAX-1 774 */ 775 #define F2FS_EXTENT_AGE_INVALID ULLONG_MAX 776 777 struct extent_info { 778 unsigned int fofs; /* start offset in a file */ 779 unsigned int len; /* length of the extent */ 780 union { 781 /* read extent_cache */ 782 struct { 783 /* start block address of the extent */ 784 block_t blk; 785 #ifdef CONFIG_F2FS_FS_COMPRESSION 786 /* physical extent length of compressed blocks */ 787 unsigned int c_len; 788 #endif 789 }; 790 /* block age extent_cache */ 791 struct { 792 /* block age of the extent */ 793 unsigned long long age; 794 /* last total blocks allocated */ 795 unsigned long long last_blocks; 796 }; 797 }; 798 }; 799 800 struct extent_node { 801 struct rb_node rb_node; /* rb node located in rb-tree */ 802 struct extent_info ei; /* extent info */ 803 struct list_head list; /* node in global extent list of sbi */ 804 struct extent_tree *et; /* extent tree pointer */ 805 }; 806 807 struct extent_tree { 808 nid_t ino; /* inode number */ 809 enum extent_type type; /* keep the extent tree type */ 810 struct rb_root_cached root; /* root of extent info rb-tree */ 811 struct extent_node *cached_en; /* recently accessed extent node */ 812 struct list_head list; /* to be used by sbi->zombie_list */ 813 rwlock_t lock; /* protect extent info rb-tree */ 814 atomic_t node_cnt; /* # of extent node in rb-tree*/ 815 bool largest_updated; /* largest extent updated */ 816 struct extent_info largest; /* largest cached extent for EX_READ */ 817 }; 818 819 struct extent_tree_info { 820 struct radix_tree_root extent_tree_root;/* cache extent cache entries */ 821 struct mutex extent_tree_lock; /* locking extent radix tree */ 822 struct list_head extent_list; /* lru list for shrinker */ 823 spinlock_t extent_lock; /* locking extent lru list */ 824 atomic_t total_ext_tree; /* extent tree count */ 825 struct list_head zombie_list; /* extent zombie tree list */ 826 atomic_t total_zombie_tree; /* extent zombie tree count */ 827 atomic_t total_ext_node; /* extent info count */ 828 }; 829 830 /* 831 * State of block returned by f2fs_map_blocks. 832 */ 833 #define F2FS_MAP_NEW (1U << 0) 834 #define F2FS_MAP_MAPPED (1U << 1) 835 #define F2FS_MAP_DELALLOC (1U << 2) 836 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ 837 F2FS_MAP_DELALLOC) 838 839 struct f2fs_map_blocks { 840 struct block_device *m_bdev; /* for multi-device dio */ 841 block_t m_pblk; 842 block_t m_lblk; 843 unsigned int m_len; 844 unsigned int m_flags; 845 unsigned long m_last_pblk; /* last allocated block, only used for DIO in LFS mode */ 846 pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ 847 pgoff_t *m_next_extent; /* point to next possible extent */ 848 int m_seg_type; 849 bool m_may_create; /* indicate it is from write path */ 850 bool m_multidev_dio; /* indicate it allows multi-device dio */ 851 }; 852 853 /* for flag in get_data_block */ 854 enum { 855 F2FS_GET_BLOCK_DEFAULT, 856 F2FS_GET_BLOCK_FIEMAP, 857 F2FS_GET_BLOCK_BMAP, 858 F2FS_GET_BLOCK_DIO, 859 F2FS_GET_BLOCK_PRE_DIO, 860 F2FS_GET_BLOCK_PRE_AIO, 861 F2FS_GET_BLOCK_PRECACHE, 862 }; 863 864 /* 865 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. 866 */ 867 #define FADVISE_COLD_BIT 0x01 868 #define FADVISE_LOST_PINO_BIT 0x02 869 #define FADVISE_ENCRYPT_BIT 0x04 870 #define FADVISE_ENC_NAME_BIT 0x08 871 #define FADVISE_KEEP_SIZE_BIT 0x10 872 #define FADVISE_HOT_BIT 0x20 873 #define FADVISE_VERITY_BIT 0x40 874 #define FADVISE_TRUNC_BIT 0x80 875 876 #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT) 877 878 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) 879 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) 880 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) 881 882 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) 883 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) 884 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) 885 886 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) 887 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) 888 889 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) 890 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) 891 892 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) 893 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) 894 895 #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT) 896 #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT) 897 #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT) 898 899 #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT) 900 #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT) 901 902 #define file_should_truncate(inode) is_file(inode, FADVISE_TRUNC_BIT) 903 #define file_need_truncate(inode) set_file(inode, FADVISE_TRUNC_BIT) 904 #define file_dont_truncate(inode) clear_file(inode, FADVISE_TRUNC_BIT) 905 906 #define DEF_DIR_LEVEL 0 907 908 /* used for f2fs_inode_info->flags */ 909 enum { 910 FI_NEW_INODE, /* indicate newly allocated inode */ 911 FI_DIRTY_INODE, /* indicate inode is dirty or not */ 912 FI_AUTO_RECOVER, /* indicate inode is recoverable */ 913 FI_DIRTY_DIR, /* indicate directory has dirty pages */ 914 FI_INC_LINK, /* need to increment i_nlink */ 915 FI_ACL_MODE, /* indicate acl mode */ 916 FI_NO_ALLOC, /* should not allocate any blocks */ 917 FI_FREE_NID, /* free allocated nide */ 918 FI_NO_EXTENT, /* not to use the extent cache */ 919 FI_INLINE_XATTR, /* used for inline xattr */ 920 FI_INLINE_DATA, /* used for inline data*/ 921 FI_INLINE_DENTRY, /* used for inline dentry */ 922 FI_APPEND_WRITE, /* inode has appended data */ 923 FI_UPDATE_WRITE, /* inode has in-place-update data */ 924 FI_NEED_IPU, /* used for ipu per file */ 925 FI_ATOMIC_FILE, /* indicate atomic file */ 926 FI_DATA_EXIST, /* indicate data exists */ 927 FI_SKIP_WRITES, /* should skip data page writeback */ 928 FI_OPU_WRITE, /* used for opu per file */ 929 FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ 930 FI_PREALLOCATED_ALL, /* all blocks for write were preallocated */ 931 FI_HOT_DATA, /* indicate file is hot */ 932 FI_EXTRA_ATTR, /* indicate file has extra attribute */ 933 FI_PROJ_INHERIT, /* indicate file inherits projectid */ 934 FI_PIN_FILE, /* indicate file should not be gced */ 935 FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */ 936 FI_COMPRESSED_FILE, /* indicate file's data can be compressed */ 937 FI_COMPRESS_CORRUPT, /* indicate compressed cluster is corrupted */ 938 FI_MMAP_FILE, /* indicate file was mmapped */ 939 FI_ENABLE_COMPRESS, /* enable compression in "user" compression mode */ 940 FI_COMPRESS_RELEASED, /* compressed blocks were released */ 941 FI_ALIGNED_WRITE, /* enable aligned write */ 942 FI_COW_FILE, /* indicate COW file */ 943 FI_ATOMIC_COMMITTED, /* indicate atomic commit completed except disk sync */ 944 FI_ATOMIC_DIRTIED, /* indicate atomic file is dirtied */ 945 FI_ATOMIC_REPLACE, /* indicate atomic replace */ 946 FI_OPENED_FILE, /* indicate file has been opened */ 947 FI_DONATE_FINISHED, /* indicate page donation of file has been finished */ 948 FI_MAX, /* max flag, never be used */ 949 }; 950 951 struct f2fs_inode_info { 952 struct inode vfs_inode; /* serve a vfs inode */ 953 unsigned long i_flags; /* keep an inode flags for ioctl */ 954 unsigned char i_advise; /* use to give file attribute hints */ 955 unsigned char i_dir_level; /* use for dentry level for large dir */ 956 union { 957 unsigned int i_current_depth; /* only for directory depth */ 958 unsigned short i_gc_failures; /* for gc failure statistic */ 959 }; 960 unsigned int i_pino; /* parent inode number */ 961 umode_t i_acl_mode; /* keep file acl mode temporarily */ 962 963 /* Use below internally in f2fs*/ 964 unsigned long flags[BITS_TO_LONGS(FI_MAX)]; /* use to pass per-file flags */ 965 unsigned int ioprio_hint; /* hint for IO priority */ 966 struct f2fs_rwsem i_sem; /* protect fi info */ 967 atomic_t dirty_pages; /* # of dirty pages */ 968 f2fs_hash_t chash; /* hash value of given file name */ 969 unsigned int clevel; /* maximum level of given file name */ 970 struct task_struct *task; /* lookup and create consistency */ 971 struct task_struct *cp_task; /* separate cp/wb IO stats*/ 972 struct task_struct *wb_task; /* indicate inode is in context of writeback */ 973 nid_t i_xattr_nid; /* node id that contains xattrs */ 974 loff_t last_disk_size; /* lastly written file size */ 975 spinlock_t i_size_lock; /* protect last_disk_size */ 976 977 #ifdef CONFIG_QUOTA 978 struct dquot __rcu *i_dquot[MAXQUOTAS]; 979 980 /* quota space reservation, managed internally by quota code */ 981 qsize_t i_reserved_quota; 982 #endif 983 struct list_head dirty_list; /* dirty list for dirs and files */ 984 struct list_head gdirty_list; /* linked in global dirty list */ 985 986 /* linked in global inode list for cache donation */ 987 struct list_head gdonate_list; 988 pgoff_t donate_start, donate_end; /* inclusive */ 989 atomic_t open_count; /* # of open files */ 990 991 struct task_struct *atomic_write_task; /* store atomic write task */ 992 struct extent_tree *extent_tree[NR_EXTENT_CACHES]; 993 /* cached extent_tree entry */ 994 union { 995 struct inode *cow_inode; /* copy-on-write inode for atomic write */ 996 struct inode *atomic_inode; 997 /* point to atomic_inode, available only for cow_inode */ 998 }; 999 1000 /* avoid racing between foreground op and gc */ 1001 struct f2fs_rwsem i_gc_rwsem[2]; 1002 struct f2fs_rwsem i_xattr_sem; /* avoid racing between reading and changing EAs */ 1003 1004 int i_extra_isize; /* size of extra space located in i_addr */ 1005 kprojid_t i_projid; /* id for project quota */ 1006 int i_inline_xattr_size; /* inline xattr size */ 1007 struct timespec64 i_crtime; /* inode creation time */ 1008 struct timespec64 i_disk_time[3];/* inode disk times */ 1009 1010 /* for file compress */ 1011 atomic_t i_compr_blocks; /* # of compressed blocks */ 1012 unsigned char i_compress_algorithm; /* algorithm type */ 1013 unsigned char i_log_cluster_size; /* log of cluster size */ 1014 unsigned char i_compress_level; /* compress level (lz4hc,zstd) */ 1015 unsigned char i_compress_flag; /* compress flag */ 1016 unsigned int i_cluster_size; /* cluster size */ 1017 atomic_t writeback; /* count # of writeback thread */ 1018 1019 unsigned int atomic_write_cnt; 1020 loff_t original_i_size; /* original i_size before atomic write */ 1021 #ifdef CONFIG_FS_ENCRYPTION 1022 struct fscrypt_inode_info *i_crypt_info; /* filesystem encryption info */ 1023 #endif 1024 }; 1025 1026 static inline void get_read_extent_info(struct extent_info *ext, 1027 struct f2fs_extent *i_ext) 1028 { 1029 ext->fofs = le32_to_cpu(i_ext->fofs); 1030 ext->blk = le32_to_cpu(i_ext->blk); 1031 ext->len = le32_to_cpu(i_ext->len); 1032 } 1033 1034 static inline void set_raw_read_extent(struct extent_info *ext, 1035 struct f2fs_extent *i_ext) 1036 { 1037 i_ext->fofs = cpu_to_le32(ext->fofs); 1038 i_ext->blk = cpu_to_le32(ext->blk); 1039 i_ext->len = cpu_to_le32(ext->len); 1040 } 1041 1042 static inline bool __is_discard_mergeable(struct discard_info *back, 1043 struct discard_info *front, unsigned int max_len) 1044 { 1045 return (back->lstart + back->len == front->lstart) && 1046 (back->len + front->len <= max_len); 1047 } 1048 1049 static inline bool __is_discard_back_mergeable(struct discard_info *cur, 1050 struct discard_info *back, unsigned int max_len) 1051 { 1052 return __is_discard_mergeable(back, cur, max_len); 1053 } 1054 1055 static inline bool __is_discard_front_mergeable(struct discard_info *cur, 1056 struct discard_info *front, unsigned int max_len) 1057 { 1058 return __is_discard_mergeable(cur, front, max_len); 1059 } 1060 1061 /* 1062 * For free nid management 1063 */ 1064 enum nid_state { 1065 FREE_NID, /* newly added to free nid list */ 1066 PREALLOC_NID, /* it is preallocated */ 1067 MAX_NID_STATE, 1068 }; 1069 1070 enum nat_state { 1071 TOTAL_NAT, 1072 DIRTY_NAT, 1073 RECLAIMABLE_NAT, 1074 MAX_NAT_STATE, 1075 }; 1076 1077 struct f2fs_nm_info { 1078 block_t nat_blkaddr; /* base disk address of NAT */ 1079 nid_t max_nid; /* maximum possible node ids */ 1080 nid_t available_nids; /* # of available node ids */ 1081 nid_t next_scan_nid; /* the next nid to be scanned */ 1082 nid_t max_rf_node_blocks; /* max # of nodes for recovery */ 1083 unsigned int ram_thresh; /* control the memory footprint */ 1084 unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ 1085 unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ 1086 1087 /* NAT cache management */ 1088 struct radix_tree_root nat_root;/* root of the nat entry cache */ 1089 struct radix_tree_root nat_set_root;/* root of the nat set cache */ 1090 struct f2fs_rwsem nat_tree_lock; /* protect nat entry tree */ 1091 struct list_head nat_entries; /* cached nat entry list (clean) */ 1092 spinlock_t nat_list_lock; /* protect clean nat entry list */ 1093 unsigned int nat_cnt[MAX_NAT_STATE]; /* the # of cached nat entries */ 1094 unsigned int nat_blocks; /* # of nat blocks */ 1095 1096 /* free node ids management */ 1097 struct radix_tree_root free_nid_root;/* root of the free_nid cache */ 1098 struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ 1099 unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ 1100 spinlock_t nid_list_lock; /* protect nid lists ops */ 1101 struct mutex build_lock; /* lock for build free nids */ 1102 unsigned char **free_nid_bitmap; 1103 unsigned char *nat_block_bitmap; 1104 unsigned short *free_nid_count; /* free nid count of NAT block */ 1105 1106 /* for checkpoint */ 1107 char *nat_bitmap; /* NAT bitmap pointer */ 1108 1109 unsigned int nat_bits_blocks; /* # of nat bits blocks */ 1110 unsigned char *nat_bits; /* NAT bits blocks */ 1111 unsigned char *full_nat_bits; /* full NAT pages */ 1112 unsigned char *empty_nat_bits; /* empty NAT pages */ 1113 #ifdef CONFIG_F2FS_CHECK_FS 1114 char *nat_bitmap_mir; /* NAT bitmap mirror */ 1115 #endif 1116 int bitmap_size; /* bitmap size */ 1117 }; 1118 1119 /* 1120 * this structure is used as one of function parameters. 1121 * all the information are dedicated to a given direct node block determined 1122 * by the data offset in a file. 1123 */ 1124 struct dnode_of_data { 1125 struct inode *inode; /* vfs inode pointer */ 1126 struct folio *inode_folio; /* its inode folio, NULL is possible */ 1127 struct folio *node_folio; /* cached direct node folio */ 1128 nid_t nid; /* node id of the direct node block */ 1129 unsigned int ofs_in_node; /* data offset in the node page */ 1130 bool inode_folio_locked; /* inode folio is locked or not */ 1131 bool node_changed; /* is node block changed */ 1132 char cur_level; /* level of hole node page */ 1133 char max_level; /* level of current page located */ 1134 block_t data_blkaddr; /* block address of the node block */ 1135 }; 1136 1137 static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, 1138 struct folio *ifolio, struct folio *nfolio, nid_t nid) 1139 { 1140 memset(dn, 0, sizeof(*dn)); 1141 dn->inode = inode; 1142 dn->inode_folio = ifolio; 1143 dn->node_folio = nfolio; 1144 dn->nid = nid; 1145 } 1146 1147 /* 1148 * For SIT manager 1149 * 1150 * By default, there are 6 active log areas across the whole main area. 1151 * When considering hot and cold data separation to reduce cleaning overhead, 1152 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, 1153 * respectively. 1154 * In the current design, you should not change the numbers intentionally. 1155 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 1156 * logs individually according to the underlying devices. (default: 6) 1157 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for 1158 * data and 8 for node logs. 1159 */ 1160 #define NR_CURSEG_DATA_TYPE (3) 1161 #define NR_CURSEG_NODE_TYPE (3) 1162 #define NR_CURSEG_INMEM_TYPE (2) 1163 #define NR_CURSEG_RO_TYPE (2) 1164 #define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) 1165 #define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE) 1166 1167 enum log_type { 1168 CURSEG_HOT_DATA = 0, /* directory entry blocks */ 1169 CURSEG_WARM_DATA, /* data blocks */ 1170 CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ 1171 CURSEG_HOT_NODE, /* direct node blocks of directory files */ 1172 CURSEG_WARM_NODE, /* direct node blocks of normal files */ 1173 CURSEG_COLD_NODE, /* indirect node blocks */ 1174 NR_PERSISTENT_LOG, /* number of persistent log */ 1175 CURSEG_COLD_DATA_PINNED = NR_PERSISTENT_LOG, 1176 /* pinned file that needs consecutive block address */ 1177 CURSEG_ALL_DATA_ATGC, /* SSR alloctor in hot/warm/cold data area */ 1178 NO_CHECK_TYPE, /* number of persistent & inmem log */ 1179 }; 1180 1181 struct flush_cmd { 1182 struct completion wait; 1183 struct llist_node llnode; 1184 nid_t ino; 1185 int ret; 1186 }; 1187 1188 struct flush_cmd_control { 1189 struct task_struct *f2fs_issue_flush; /* flush thread */ 1190 wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ 1191 atomic_t issued_flush; /* # of issued flushes */ 1192 atomic_t queued_flush; /* # of queued flushes */ 1193 struct llist_head issue_list; /* list for command issue */ 1194 struct llist_node *dispatch_list; /* list for command dispatch */ 1195 }; 1196 1197 struct f2fs_sm_info { 1198 struct sit_info *sit_info; /* whole segment information */ 1199 struct free_segmap_info *free_info; /* free segment information */ 1200 struct dirty_seglist_info *dirty_info; /* dirty segment information */ 1201 struct curseg_info *curseg_array; /* active segment information */ 1202 1203 struct f2fs_rwsem curseg_lock; /* for preventing curseg change */ 1204 1205 block_t seg0_blkaddr; /* block address of 0'th segment */ 1206 block_t main_blkaddr; /* start block address of main area */ 1207 block_t ssa_blkaddr; /* start block address of SSA area */ 1208 1209 unsigned int segment_count; /* total # of segments */ 1210 unsigned int main_segments; /* # of segments in main area */ 1211 unsigned int reserved_segments; /* # of reserved segments */ 1212 unsigned int ovp_segments; /* # of overprovision segments */ 1213 1214 /* a threshold to reclaim prefree segments */ 1215 unsigned int rec_prefree_segments; 1216 1217 struct list_head sit_entry_set; /* sit entry set list */ 1218 1219 unsigned int ipu_policy; /* in-place-update policy */ 1220 unsigned int min_ipu_util; /* in-place-update threshold */ 1221 unsigned int min_fsync_blocks; /* threshold for fsync */ 1222 unsigned int min_seq_blocks; /* threshold for sequential blocks */ 1223 unsigned int min_hot_blocks; /* threshold for hot block allocation */ 1224 unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ 1225 1226 /* for flush command control */ 1227 struct flush_cmd_control *fcc_info; 1228 1229 /* for discard command control */ 1230 struct discard_cmd_control *dcc_info; 1231 }; 1232 1233 /* 1234 * For superblock 1235 */ 1236 /* 1237 * COUNT_TYPE for monitoring 1238 * 1239 * f2fs monitors the number of several block types such as on-writeback, 1240 * dirty dentry blocks, dirty node blocks, and dirty meta blocks. 1241 */ 1242 #define WB_DATA_TYPE(folio, f) \ 1243 (f || f2fs_is_cp_guaranteed(folio) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) 1244 enum count_type { 1245 F2FS_DIRTY_DENTS, 1246 F2FS_DIRTY_DATA, 1247 F2FS_DIRTY_QDATA, 1248 F2FS_DIRTY_NODES, 1249 F2FS_DIRTY_META, 1250 F2FS_DIRTY_IMETA, 1251 F2FS_WB_CP_DATA, 1252 F2FS_WB_DATA, 1253 F2FS_RD_DATA, 1254 F2FS_RD_NODE, 1255 F2FS_RD_META, 1256 F2FS_DIO_WRITE, 1257 F2FS_DIO_READ, 1258 F2FS_SKIPPED_WRITE, /* skip or fail during f2fs_enable_checkpoint() */ 1259 NR_COUNT_TYPE, 1260 }; 1261 1262 /* 1263 * The below are the page types of bios used in submit_bio(). 1264 * The available types are: 1265 * DATA User data pages. It operates as async mode. 1266 * NODE Node pages. It operates as async mode. 1267 * META FS metadata pages such as SIT, NAT, CP. 1268 * NR_PAGE_TYPE The number of page types. 1269 * META_FLUSH Make sure the previous pages are written 1270 * with waiting the bio's completion 1271 * ... Only can be used with META. 1272 */ 1273 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) 1274 #define PAGE_TYPE_ON_MAIN(type) ((type) == DATA || (type) == NODE) 1275 enum page_type { 1276 DATA = 0, 1277 NODE = 1, /* should not change this */ 1278 META, 1279 NR_PAGE_TYPE, 1280 META_FLUSH, 1281 IPU, /* the below types are used by tracepoints only. */ 1282 OPU, 1283 }; 1284 1285 enum temp_type { 1286 HOT = 0, /* must be zero for meta bio */ 1287 WARM, 1288 COLD, 1289 NR_TEMP_TYPE, 1290 }; 1291 1292 enum need_lock_type { 1293 LOCK_REQ = 0, 1294 LOCK_DONE, 1295 LOCK_RETRY, 1296 }; 1297 1298 enum cp_reason_type { 1299 CP_NO_NEEDED, 1300 CP_NON_REGULAR, 1301 CP_COMPRESSED, 1302 CP_HARDLINK, 1303 CP_SB_NEED_CP, 1304 CP_WRONG_PINO, 1305 CP_NO_SPC_ROLL, 1306 CP_NODE_NEED_CP, 1307 CP_FASTBOOT_MODE, 1308 CP_SPEC_LOG_NUM, 1309 CP_RECOVER_DIR, 1310 CP_XATTR_DIR, 1311 }; 1312 1313 enum iostat_type { 1314 /* WRITE IO */ 1315 APP_DIRECT_IO, /* app direct write IOs */ 1316 APP_BUFFERED_IO, /* app buffered write IOs */ 1317 APP_WRITE_IO, /* app write IOs */ 1318 APP_MAPPED_IO, /* app mapped IOs */ 1319 APP_BUFFERED_CDATA_IO, /* app buffered write IOs on compressed file */ 1320 APP_MAPPED_CDATA_IO, /* app mapped write IOs on compressed file */ 1321 FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ 1322 FS_CDATA_IO, /* data IOs from kworker/fsync/reclaimer on compressed file */ 1323 FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ 1324 FS_META_IO, /* meta IOs from kworker/reclaimer */ 1325 FS_GC_DATA_IO, /* data IOs from forground gc */ 1326 FS_GC_NODE_IO, /* node IOs from forground gc */ 1327 FS_CP_DATA_IO, /* data IOs from checkpoint */ 1328 FS_CP_NODE_IO, /* node IOs from checkpoint */ 1329 FS_CP_META_IO, /* meta IOs from checkpoint */ 1330 1331 /* READ IO */ 1332 APP_DIRECT_READ_IO, /* app direct read IOs */ 1333 APP_BUFFERED_READ_IO, /* app buffered read IOs */ 1334 APP_READ_IO, /* app read IOs */ 1335 APP_MAPPED_READ_IO, /* app mapped read IOs */ 1336 APP_BUFFERED_CDATA_READ_IO, /* app buffered read IOs on compressed file */ 1337 APP_MAPPED_CDATA_READ_IO, /* app mapped read IOs on compressed file */ 1338 FS_DATA_READ_IO, /* data read IOs */ 1339 FS_GDATA_READ_IO, /* data read IOs from background gc */ 1340 FS_CDATA_READ_IO, /* compressed data read IOs */ 1341 FS_NODE_READ_IO, /* node read IOs */ 1342 FS_META_READ_IO, /* meta read IOs */ 1343 1344 /* other */ 1345 FS_DISCARD_IO, /* discard */ 1346 FS_FLUSH_IO, /* flush */ 1347 FS_ZONE_RESET_IO, /* zone reset */ 1348 NR_IO_TYPE, 1349 }; 1350 1351 struct f2fs_io_info { 1352 struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ 1353 nid_t ino; /* inode number */ 1354 enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ 1355 enum temp_type temp; /* contains HOT/WARM/COLD */ 1356 enum req_op op; /* contains REQ_OP_ */ 1357 blk_opf_t op_flags; /* req_flag_bits */ 1358 block_t new_blkaddr; /* new block address to be written */ 1359 block_t old_blkaddr; /* old block address before Cow */ 1360 struct folio *folio; /* folio to be written */ 1361 struct page *encrypted_page; /* encrypted page */ 1362 struct page *compressed_page; /* compressed page */ 1363 struct list_head list; /* serialize IOs */ 1364 unsigned int compr_blocks; /* # of compressed block addresses */ 1365 unsigned int need_lock:8; /* indicate we need to lock cp_rwsem */ 1366 unsigned int version:8; /* version of the node */ 1367 unsigned int submitted:1; /* indicate IO submission */ 1368 unsigned int in_list:1; /* indicate fio is in io_list */ 1369 unsigned int is_por:1; /* indicate IO is from recovery or not */ 1370 unsigned int meta_gc:1; /* require meta inode GC */ 1371 enum iostat_type io_type; /* io type */ 1372 struct writeback_control *io_wbc; /* writeback control */ 1373 struct bio **bio; /* bio for ipu */ 1374 sector_t *last_block; /* last block number in bio */ 1375 }; 1376 1377 struct bio_entry { 1378 struct bio *bio; 1379 struct list_head list; 1380 }; 1381 1382 #define is_read_io(rw) ((rw) == READ) 1383 struct f2fs_bio_info { 1384 struct f2fs_sb_info *sbi; /* f2fs superblock */ 1385 struct bio *bio; /* bios to merge */ 1386 sector_t last_block_in_bio; /* last block number */ 1387 struct f2fs_io_info fio; /* store buffered io info. */ 1388 #ifdef CONFIG_BLK_DEV_ZONED 1389 struct completion zone_wait; /* condition value for the previous open zone to close */ 1390 struct bio *zone_pending_bio; /* pending bio for the previous zone */ 1391 void *bi_private; /* previous bi_private for pending bio */ 1392 #endif 1393 struct f2fs_rwsem io_rwsem; /* blocking op for bio */ 1394 spinlock_t io_lock; /* serialize DATA/NODE IOs */ 1395 struct list_head io_list; /* track fios */ 1396 struct list_head bio_list; /* bio entry list head */ 1397 struct f2fs_rwsem bio_list_lock; /* lock to protect bio entry list */ 1398 }; 1399 1400 #define FDEV(i) (sbi->devs[i]) 1401 #define RDEV(i) (raw_super->devs[i]) 1402 struct f2fs_dev_info { 1403 struct file *bdev_file; 1404 struct block_device *bdev; 1405 char path[MAX_PATH_LEN + 1]; 1406 unsigned int total_segments; 1407 block_t start_blk; 1408 block_t end_blk; 1409 bool has_alias; 1410 bool is_reserving; 1411 #ifdef CONFIG_BLK_DEV_ZONED 1412 unsigned int nr_blkz; /* Total number of zones */ 1413 unsigned long *blkz_seq; /* Bitmap indicating sequential zones */ 1414 #endif 1415 }; 1416 1417 enum inode_type { 1418 DIR_INODE, /* for dirty dir inode */ 1419 FILE_INODE, /* for dirty regular/symlink inode */ 1420 DIRTY_META, /* for all dirtied inode metadata */ 1421 DONATE_INODE, /* for all inode to donate pages */ 1422 NR_INODE_TYPE, 1423 }; 1424 1425 /* for inner inode cache management */ 1426 struct inode_management { 1427 struct radix_tree_root ino_root; /* ino entry array */ 1428 spinlock_t ino_lock; /* for ino entry lock */ 1429 struct list_head ino_list; /* inode list head */ 1430 unsigned long ino_num; /* number of entries */ 1431 }; 1432 1433 /* for GC_AT */ 1434 struct atgc_management { 1435 bool atgc_enabled; /* ATGC is enabled or not */ 1436 struct rb_root_cached root; /* root of victim rb-tree */ 1437 struct list_head victim_list; /* linked with all victim entries */ 1438 unsigned int victim_count; /* victim count in rb-tree */ 1439 unsigned int candidate_ratio; /* candidate ratio */ 1440 unsigned int max_candidate_count; /* max candidate count */ 1441 unsigned int age_weight; /* age weight, vblock_weight = 100 - age_weight */ 1442 unsigned long long age_threshold; /* age threshold */ 1443 }; 1444 1445 struct f2fs_time_stat { 1446 unsigned long long total_time; /* total wall clock time */ 1447 #ifdef CONFIG_64BIT 1448 unsigned long long running_time; /* running time */ 1449 #endif 1450 #if defined(CONFIG_SCHED_INFO) && defined(CONFIG_SCHEDSTATS) 1451 unsigned long long runnable_time; /* runnable(including preempted) time */ 1452 #endif 1453 #ifdef CONFIG_TASK_DELAY_ACCT 1454 unsigned long long io_sleep_time; /* IO sleep time */ 1455 #endif 1456 }; 1457 1458 struct f2fs_lock_context { 1459 struct f2fs_time_stat ts; 1460 int orig_nice; 1461 int new_nice; 1462 bool lock_trace; 1463 bool need_restore; 1464 }; 1465 1466 struct f2fs_gc_control { 1467 unsigned int victim_segno; /* target victim segment number */ 1468 int init_gc_type; /* FG_GC or BG_GC */ 1469 bool no_bg_gc; /* check the space and stop bg_gc */ 1470 bool should_migrate_blocks; /* should migrate blocks */ 1471 bool err_gc_skipped; /* return EAGAIN if GC skipped */ 1472 bool one_time; /* require one time GC in one migration unit */ 1473 unsigned int nr_free_secs; /* # of free sections to do GC */ 1474 struct f2fs_lock_context lc; /* lock context for gc_lock */ 1475 }; 1476 1477 /* 1478 * For s_flag in struct f2fs_sb_info 1479 * Modification on enum should be synchronized with s_flag array 1480 */ 1481 enum { 1482 SBI_IS_DIRTY, /* dirty flag for checkpoint */ 1483 SBI_IS_CLOSE, /* specify unmounting */ 1484 SBI_NEED_FSCK, /* need fsck.f2fs to fix */ 1485 SBI_POR_DOING, /* recovery is doing or not */ 1486 SBI_NEED_SB_WRITE, /* need to recover superblock */ 1487 SBI_NEED_CP, /* need to checkpoint */ 1488 SBI_IS_SHUTDOWN, /* shutdown by ioctl */ 1489 SBI_IS_RECOVERED, /* recovered orphan/data */ 1490 SBI_CP_DISABLED, /* CP was disabled last mount */ 1491 SBI_CP_DISABLED_QUICK, /* CP was disabled quickly */ 1492 SBI_QUOTA_NEED_FLUSH, /* need to flush quota info in CP */ 1493 SBI_QUOTA_SKIP_FLUSH, /* skip flushing quota in current CP */ 1494 SBI_QUOTA_NEED_REPAIR, /* quota file may be corrupted */ 1495 SBI_IS_RESIZEFS, /* resizefs is in process */ 1496 SBI_IS_FREEZING, /* freezefs is in process */ 1497 SBI_IS_WRITABLE, /* remove ro mountoption transiently */ 1498 SBI_ENABLE_CHECKPOINT, /* indicate it's during f2fs_enable_checkpoint() */ 1499 MAX_SBI_FLAG, 1500 }; 1501 1502 enum { 1503 CP_TIME, 1504 REQ_TIME, 1505 DISCARD_TIME, 1506 GC_TIME, 1507 DISABLE_TIME, 1508 UMOUNT_DISCARD_TIMEOUT, 1509 MAX_TIME, 1510 }; 1511 1512 /* Note that you need to keep synchronization with this gc_mode_names array */ 1513 enum { 1514 GC_NORMAL, 1515 GC_IDLE_CB, 1516 GC_IDLE_GREEDY, 1517 GC_IDLE_AT, 1518 GC_URGENT_HIGH, 1519 GC_URGENT_LOW, 1520 GC_URGENT_MID, 1521 MAX_GC_MODE, 1522 }; 1523 1524 enum { 1525 BGGC_MODE_ON, /* background gc is on */ 1526 BGGC_MODE_OFF, /* background gc is off */ 1527 BGGC_MODE_SYNC, /* 1528 * background gc is on, migrating blocks 1529 * like foreground gc 1530 */ 1531 }; 1532 1533 enum { 1534 FS_MODE_ADAPTIVE, /* use both lfs/ssr allocation */ 1535 FS_MODE_LFS, /* use lfs allocation only */ 1536 FS_MODE_FRAGMENT_SEG, /* segment fragmentation mode */ 1537 FS_MODE_FRAGMENT_BLK, /* block fragmentation mode */ 1538 }; 1539 1540 enum { 1541 ALLOC_MODE_DEFAULT, /* stay default */ 1542 ALLOC_MODE_REUSE, /* reuse segments as much as possible */ 1543 }; 1544 1545 enum fsync_mode { 1546 FSYNC_MODE_POSIX, /* fsync follows posix semantics */ 1547 FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */ 1548 FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */ 1549 }; 1550 1551 enum { 1552 COMPR_MODE_FS, /* 1553 * automatically compress compression 1554 * enabled files 1555 */ 1556 COMPR_MODE_USER, /* 1557 * automatical compression is disabled. 1558 * user can control the file compression 1559 * using ioctls 1560 */ 1561 }; 1562 1563 enum { 1564 DISCARD_UNIT_BLOCK, /* basic discard unit is block */ 1565 DISCARD_UNIT_SEGMENT, /* basic discard unit is segment */ 1566 DISCARD_UNIT_SECTION, /* basic discard unit is section */ 1567 }; 1568 1569 enum { 1570 MEMORY_MODE_NORMAL, /* memory mode for normal devices */ 1571 MEMORY_MODE_LOW, /* memory mode for low memory devices */ 1572 }; 1573 1574 enum errors_option { 1575 MOUNT_ERRORS_READONLY, /* remount fs ro on errors */ 1576 MOUNT_ERRORS_CONTINUE, /* continue on errors */ 1577 MOUNT_ERRORS_PANIC, /* panic on errors */ 1578 }; 1579 1580 enum { 1581 BACKGROUND, 1582 FOREGROUND, 1583 MAX_CALL_TYPE, 1584 TOTAL_CALL = FOREGROUND, 1585 }; 1586 1587 enum f2fs_lookup_mode { 1588 LOOKUP_PERF, 1589 LOOKUP_COMPAT, 1590 LOOKUP_AUTO, 1591 }; 1592 1593 /* For node type in __get_node_folio() */ 1594 enum node_type { 1595 NODE_TYPE_REGULAR, 1596 NODE_TYPE_INODE, 1597 NODE_TYPE_XATTR, 1598 NODE_TYPE_NON_INODE, 1599 NODE_TYPE_NON_IXNODE, /* non inode and xnode */ 1600 }; 1601 1602 /* a threshold of maximum elapsed time in critical region to print tracepoint */ 1603 #define MAX_LOCK_ELAPSED_TIME 500 1604 1605 #define F2FS_DEFAULT_TASK_PRIORITY (DEFAULT_PRIO) 1606 #define F2FS_CRITICAL_TASK_PRIORITY NICE_TO_PRIO(0) 1607 1608 static inline int f2fs_test_bit(unsigned int nr, char *addr); 1609 static inline void f2fs_set_bit(unsigned int nr, char *addr); 1610 static inline void f2fs_clear_bit(unsigned int nr, char *addr); 1611 1612 /* 1613 * Layout of f2fs folio->private: 1614 * 1615 * Layout A: lowest bit should be 1 1616 * | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... | 1617 * bit 0 F2FS_FOLIO_PRIVATE_NOT_POINTER 1618 * bit 1 F2FS_FOLIO_PRIVATE_ONGOING_MIGRATION 1619 * bit 2 F2FS_FOLIO_PRIVATE_INLINE_INODE 1620 * bit 3 F2FS_FOLIO_PRIVATE_REF_RESOURCE 1621 * bit 4 F2FS_FOLIO_PRIVATE_ATOMIC_WRITE 1622 * bit 5- f2fs private data 1623 * 1624 * Layout B: lowest bit should be 0 1625 * folio->private is a wrapped pointer. 1626 */ 1627 enum { 1628 F2FS_FOLIO_PRIVATE_NOT_POINTER, /* private contains non-pointer data */ 1629 F2FS_FOLIO_PRIVATE_ONGOING_MIGRATION, /* data page which is on-going migrating */ 1630 F2FS_FOLIO_PRIVATE_INLINE_INODE, /* inode page contains inline data */ 1631 F2FS_FOLIO_PRIVATE_REF_RESOURCE, /* dirty page has referenced resources */ 1632 F2FS_FOLIO_PRIVATE_ATOMIC_WRITE, /* data page from atomic write path */ 1633 F2FS_FOLIO_PRIVATE_MAX 1634 }; 1635 1636 /* For compression */ 1637 enum compress_algorithm_type { 1638 COMPRESS_LZO, 1639 COMPRESS_LZ4, 1640 COMPRESS_ZSTD, 1641 COMPRESS_LZORLE, 1642 COMPRESS_MAX, 1643 }; 1644 1645 enum compress_flag { 1646 COMPRESS_CHKSUM, 1647 COMPRESS_MAX_FLAG, 1648 }; 1649 1650 #define COMPRESS_WATERMARK 20 1651 #define COMPRESS_PERCENT 20 1652 1653 #define COMPRESS_DATA_RESERVED_SIZE 4 1654 struct compress_data { 1655 __le32 clen; /* compressed data size */ 1656 __le32 chksum; /* compressed data checksum */ 1657 __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */ 1658 u8 cdata[]; /* compressed data */ 1659 }; 1660 1661 #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data)) 1662 1663 #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000 1664 1665 #define F2FS_ZSTD_DEFAULT_CLEVEL 1 1666 1667 #define COMPRESS_LEVEL_OFFSET 8 1668 1669 /* compress context */ 1670 struct compress_ctx { 1671 struct inode *inode; /* inode the context belong to */ 1672 pgoff_t cluster_idx; /* cluster index number */ 1673 unsigned int cluster_size; /* page count in cluster */ 1674 unsigned int log_cluster_size; /* log of cluster size */ 1675 struct page **rpages; /* pages store raw data in cluster */ 1676 unsigned int nr_rpages; /* total page number in rpages */ 1677 struct page **cpages; /* pages store compressed data in cluster */ 1678 unsigned int nr_cpages; /* total page number in cpages */ 1679 unsigned int valid_nr_cpages; /* valid page number in cpages */ 1680 void *rbuf; /* virtual mapped address on rpages */ 1681 struct compress_data *cbuf; /* virtual mapped address on cpages */ 1682 size_t rlen; /* valid data length in rbuf */ 1683 size_t clen; /* valid data length in cbuf */ 1684 void *private; /* payload buffer for specified compression algorithm */ 1685 void *private2; /* extra payload buffer */ 1686 struct fsverity_info *vi; /* verity info if needed */ 1687 }; 1688 1689 /* compress context for write IO path */ 1690 struct compress_io_ctx { 1691 u32 magic; /* magic number to indicate page is compressed */ 1692 struct inode *inode; /* inode the context belong to */ 1693 struct page **rpages; /* pages store raw data in cluster */ 1694 unsigned int nr_rpages; /* total page number in rpages */ 1695 atomic_t pending_pages; /* in-flight compressed page count */ 1696 }; 1697 1698 /* Context for decompressing one cluster on the read IO path */ 1699 struct decompress_io_ctx { 1700 u32 magic; /* magic number to indicate page is compressed */ 1701 struct inode *inode; /* inode the context belong to */ 1702 struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ 1703 pgoff_t cluster_idx; /* cluster index number */ 1704 unsigned int cluster_size; /* page count in cluster */ 1705 unsigned int log_cluster_size; /* log of cluster size */ 1706 struct page **rpages; /* pages store raw data in cluster */ 1707 unsigned int nr_rpages; /* total page number in rpages */ 1708 struct page **cpages; /* pages store compressed data in cluster */ 1709 unsigned int nr_cpages; /* total page number in cpages */ 1710 struct page **tpages; /* temp pages to pad holes in cluster */ 1711 void *rbuf; /* virtual mapped address on rpages */ 1712 struct compress_data *cbuf; /* virtual mapped address on cpages */ 1713 size_t rlen; /* valid data length in rbuf */ 1714 size_t clen; /* valid data length in cbuf */ 1715 1716 /* 1717 * The number of compressed pages remaining to be read in this cluster. 1718 * This is initially nr_cpages. It is decremented by 1 each time a page 1719 * has been read (or failed to be read). When it reaches 0, the cluster 1720 * is decompressed (or an error is reported). 1721 * 1722 * If an error occurs before all the pages have been submitted for I/O, 1723 * then this will never reach 0. In this case the I/O submitter is 1724 * responsible for calling f2fs_decompress_end_io() instead. 1725 */ 1726 atomic_t remaining_pages; 1727 1728 /* 1729 * Number of references to this decompress_io_ctx. 1730 * 1731 * One reference is held for I/O completion. This reference is dropped 1732 * after the pagecache pages are updated and unlocked -- either after 1733 * decompression (and verity if enabled), or after an error. 1734 * 1735 * In addition, each compressed page holds a reference while it is in a 1736 * bio. These references are necessary prevent compressed pages from 1737 * being freed while they are still in a bio. 1738 */ 1739 refcount_t refcnt; 1740 1741 bool failed; /* IO error occurred before decompression? */ 1742 struct fsverity_info *vi; /* fs-verity context if needed */ 1743 unsigned char compress_algorithm; /* backup algorithm type */ 1744 void *private; /* payload buffer for specified decompression algorithm */ 1745 void *private2; /* extra payload buffer */ 1746 struct work_struct verity_work; /* work to verify the decompressed pages */ 1747 struct work_struct free_work; /* work for late free this structure itself */ 1748 }; 1749 1750 #define NULL_CLUSTER ((unsigned int)(~0)) 1751 #define MIN_COMPRESS_LOG_SIZE 2 1752 #define MAX_COMPRESS_LOG_SIZE 8 1753 #define MAX_COMPRESS_WINDOW_SIZE(log_size) ((PAGE_SIZE) << (log_size)) 1754 1755 struct f2fs_gc_kthread { 1756 struct task_struct *f2fs_gc_task; 1757 wait_queue_head_t gc_wait_queue_head; 1758 1759 /* for gc sleep time */ 1760 unsigned int urgent_sleep_time; 1761 unsigned int min_sleep_time; 1762 unsigned int max_sleep_time; 1763 unsigned int no_gc_sleep_time; 1764 1765 /* for changing gc mode */ 1766 bool gc_wake; 1767 1768 /* for GC_MERGE mount option */ 1769 wait_queue_head_t fggc_wq; /* 1770 * caller of f2fs_balance_fs() 1771 * will wait on this wait queue. 1772 */ 1773 1774 /* for gc control for zoned devices */ 1775 unsigned int no_zoned_gc_percent; 1776 unsigned int boost_zoned_gc_percent; 1777 unsigned int valid_thresh_ratio; 1778 unsigned int boost_gc_multiple; 1779 unsigned int boost_gc_greedy; 1780 }; 1781 1782 struct f2fs_sb_info { 1783 struct super_block *sb; /* pointer to VFS super block */ 1784 struct proc_dir_entry *s_proc; /* proc entry */ 1785 struct f2fs_super_block *raw_super; /* raw super block pointer */ 1786 struct f2fs_rwsem sb_lock; /* lock for raw super block */ 1787 int valid_super_block; /* valid super block no */ 1788 unsigned long s_flag; /* flags for sbi */ 1789 struct mutex writepages; /* mutex for writepages() */ 1790 1791 #ifdef CONFIG_BLK_DEV_ZONED 1792 unsigned int blocks_per_blkz; /* F2FS blocks per zone */ 1793 unsigned int unusable_blocks_per_sec; /* unusable blocks per section */ 1794 unsigned int max_open_zones; /* max open zone resources of the zoned device */ 1795 /* For adjust the priority writing position of data in zone UFS */ 1796 unsigned int blkzone_alloc_policy; 1797 #endif 1798 1799 /* for node-related operations */ 1800 struct f2fs_nm_info *nm_info; /* node manager */ 1801 struct inode *node_inode; /* cache node blocks */ 1802 1803 /* for segment-related operations */ 1804 struct f2fs_sm_info *sm_info; /* segment manager */ 1805 1806 /* for bio operations */ 1807 /* Largest write bio size completed in atomic context (atc). */ 1808 u32 max_atc_write_bio_size; 1809 struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ 1810 /* keep migration IO order for LFS mode */ 1811 struct f2fs_rwsem io_order_lock; 1812 pgoff_t page_eio_ofs[NR_PAGE_TYPE]; /* EIO page offset */ 1813 int page_eio_cnt[NR_PAGE_TYPE]; /* EIO count */ 1814 1815 /* for checkpoint */ 1816 struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ 1817 int cur_cp_pack; /* remain current cp pack */ 1818 spinlock_t cp_lock; /* for flag in ckpt */ 1819 struct inode *meta_inode; /* cache meta blocks */ 1820 struct f2fs_rwsem cp_global_sem; /* checkpoint procedure lock */ 1821 struct f2fs_rwsem cp_rwsem; /* blocking FS operations */ 1822 struct f2fs_rwsem node_write; /* locking node writes */ 1823 struct f2fs_rwsem node_change; /* locking node change */ 1824 wait_queue_head_t cp_wait; 1825 unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ 1826 long interval_time[MAX_TIME]; /* to store thresholds */ 1827 struct ckpt_req_control cprc_info; /* for checkpoint request control */ 1828 struct cp_stats cp_stats; /* for time stat of checkpoint */ 1829 1830 struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ 1831 1832 spinlock_t fsync_node_lock; /* for node entry lock */ 1833 struct list_head fsync_node_list; /* node list head */ 1834 unsigned int fsync_seg_id; /* sequence id */ 1835 unsigned int fsync_node_num; /* number of node entries */ 1836 1837 /* for orphan inode, use 0'th array */ 1838 unsigned int max_orphans; /* max orphan inodes */ 1839 1840 /* for inode management */ 1841 struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ 1842 spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ 1843 struct mutex flush_lock; /* for flush exclusion */ 1844 1845 /* for extent tree cache */ 1846 struct extent_tree_info extent_tree[NR_EXTENT_CACHES]; 1847 atomic64_t allocated_data_blocks; /* for block age extent_cache */ 1848 unsigned int max_read_extent_count; /* max read extent count per inode */ 1849 1850 /* The threshold used for hot and warm data seperation*/ 1851 unsigned int hot_data_age_threshold; 1852 unsigned int warm_data_age_threshold; 1853 unsigned int last_age_weight; 1854 1855 /* control donate caches */ 1856 unsigned int donate_files; 1857 1858 /* basic filesystem units */ 1859 unsigned int log_sectors_per_block; /* log2 sectors per block */ 1860 unsigned int log_blocksize; /* log2 block size */ 1861 unsigned int blocksize; /* block size */ 1862 unsigned int root_ino_num; /* root inode number*/ 1863 unsigned int node_ino_num; /* node inode number*/ 1864 unsigned int meta_ino_num; /* meta inode number*/ 1865 unsigned int log_blocks_per_seg; /* log2 blocks per segment */ 1866 unsigned int blocks_per_seg; /* blocks per segment */ 1867 unsigned int segs_per_sec; /* segments per section */ 1868 unsigned int secs_per_zone; /* sections per zone */ 1869 unsigned int total_sections; /* total section count */ 1870 unsigned int total_node_count; /* total node block count */ 1871 unsigned int total_valid_node_count; /* valid node block count */ 1872 int dir_level; /* directory level */ 1873 bool readdir_ra; /* readahead inode in readdir */ 1874 unsigned int max_io_bytes; /* max io bytes to merge IOs */ 1875 1876 /* variable summary block units */ 1877 unsigned int sum_blocksize; /* sum block size */ 1878 unsigned int sums_per_block; /* sum block count per block */ 1879 unsigned int entries_in_sum; /* entry count in sum block */ 1880 unsigned int sum_entry_size; /* total entry size in sum block */ 1881 unsigned int sum_journal_size; /* journal size in sum block */ 1882 unsigned int nat_journal_entries; /* nat journal entry count in the journal */ 1883 unsigned int sit_journal_entries; /* sit journal entry count in the journal */ 1884 1885 block_t user_block_count; /* # of user blocks */ 1886 block_t total_valid_block_count; /* # of valid blocks */ 1887 block_t discard_blks; /* discard command candidats */ 1888 block_t last_valid_block_count; /* for recovery */ 1889 block_t reserved_blocks; /* configurable reserved blocks */ 1890 block_t current_reserved_blocks; /* current reserved blocks */ 1891 block_t alias_reserved_blocks; /* reserved blocks for device alias */ 1892 1893 /* Additional tracking for no checkpoint mode */ 1894 block_t unusable_block_count; /* # of blocks saved by last cp */ 1895 1896 unsigned int nquota_files; /* # of quota sysfile */ 1897 struct f2fs_rwsem quota_sem; /* blocking cp for flags */ 1898 struct task_struct *umount_lock_holder; /* s_umount lock holder */ 1899 1900 /* # of pages, see count_type */ 1901 atomic_t nr_pages[NR_COUNT_TYPE]; 1902 /* # of allocated blocks */ 1903 struct percpu_counter alloc_valid_block_count; 1904 /* # of node block writes as roll forward recovery */ 1905 struct percpu_counter rf_node_block_count; 1906 1907 /* writeback control */ 1908 atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */ 1909 1910 /* valid inode count */ 1911 struct percpu_counter total_valid_inode_count; 1912 1913 struct f2fs_mount_info mount_opt; /* mount options */ 1914 1915 /* for cleaning operations */ 1916 struct f2fs_rwsem gc_lock; /* 1917 * semaphore for GC, avoid 1918 * race between GC and GC or CP 1919 */ 1920 struct f2fs_gc_kthread gc_thread; /* GC thread */ 1921 struct atgc_management am; /* atgc management */ 1922 unsigned int cur_victim_sec; /* current victim section num */ 1923 unsigned int gc_mode; /* current GC state */ 1924 unsigned int next_victim_seg[2]; /* next segment in victim section */ 1925 spinlock_t gc_remaining_trials_lock; 1926 /* remaining trial count for GC_URGENT_* and GC_IDLE_* */ 1927 unsigned int gc_remaining_trials; 1928 1929 /* for skip statistic */ 1930 unsigned long long skipped_gc_rwsem; /* FG_GC only */ 1931 1932 /* free sections reserved for pinned file */ 1933 unsigned int reserved_pin_section; 1934 1935 /* threshold for gc trials on pinned files */ 1936 unsigned short gc_pin_file_threshold; 1937 struct f2fs_rwsem pin_sem; 1938 1939 /* maximum # of trials to find a victim segment for SSR and GC */ 1940 unsigned int max_victim_search; 1941 /* migration granularity of garbage collection, unit: segment */ 1942 unsigned int migration_granularity; 1943 /* migration window granularity of garbage collection, unit: segment */ 1944 unsigned int migration_window_granularity; 1945 1946 /* 1947 * for stat information. 1948 * one is for the LFS mode, and the other is for the SSR mode. 1949 */ 1950 #ifdef CONFIG_F2FS_STAT_FS 1951 struct f2fs_stat_info *stat_info; /* FS status information */ 1952 atomic_t meta_count[META_MAX]; /* # of meta blocks */ 1953 unsigned int segment_count[2]; /* # of allocated segments */ 1954 unsigned int block_count[2]; /* # of allocated blocks */ 1955 atomic_t inplace_count; /* # of inplace update */ 1956 /* # of lookup extent cache */ 1957 atomic64_t total_hit_ext[NR_EXTENT_CACHES]; 1958 /* # of hit rbtree extent node */ 1959 atomic64_t read_hit_rbtree[NR_EXTENT_CACHES]; 1960 /* # of hit cached extent node */ 1961 atomic64_t read_hit_cached[NR_EXTENT_CACHES]; 1962 /* # of hit largest extent node in read extent cache */ 1963 atomic64_t read_hit_largest; 1964 atomic_t inline_xattr; /* # of inline_xattr inodes */ 1965 atomic_t inline_inode; /* # of inline_data inodes */ 1966 atomic_t inline_dir; /* # of inline_dentry inodes */ 1967 atomic_t compr_inode; /* # of compressed inodes */ 1968 atomic64_t compr_blocks; /* # of compressed blocks */ 1969 atomic_t swapfile_inode; /* # of swapfile inodes */ 1970 atomic_t atomic_files; /* # of opened atomic file */ 1971 atomic_t max_aw_cnt; /* max # of atomic writes */ 1972 unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ 1973 unsigned int other_skip_bggc; /* skip background gc for other reasons */ 1974 unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ 1975 atomic_t cp_call_count[MAX_CALL_TYPE]; /* # of cp call */ 1976 #endif 1977 spinlock_t stat_lock; /* lock for stat operations */ 1978 1979 /* to attach REQ_META|REQ_FUA flags */ 1980 unsigned int data_io_flag; 1981 unsigned int node_io_flag; 1982 1983 /* For sysfs support */ 1984 struct kobject s_kobj; /* /sys/fs/f2fs/<devname> */ 1985 struct completion s_kobj_unregister; 1986 1987 struct kobject s_stat_kobj; /* /sys/fs/f2fs/<devname>/stat */ 1988 struct completion s_stat_kobj_unregister; 1989 1990 struct kobject s_feature_list_kobj; /* /sys/fs/f2fs/<devname>/feature_list */ 1991 struct completion s_feature_list_kobj_unregister; 1992 1993 /* For shrinker support */ 1994 struct list_head s_list; 1995 struct mutex umount_mutex; 1996 unsigned int shrinker_run_no; 1997 1998 /* For multi devices */ 1999 int s_ndevs; /* number of devices */ 2000 struct f2fs_dev_info *devs; /* for device list */ 2001 unsigned int dirty_device; /* for checkpoint data flush */ 2002 spinlock_t dev_lock; /* protect dirty_device */ 2003 bool aligned_blksize; /* all devices has the same logical blksize */ 2004 unsigned int first_seq_zone_segno; /* first segno in sequential zone */ 2005 unsigned int pinned_area_max_secno; /* upper bound section for pinned files */ 2006 unsigned int bggc_io_aware; /* For adjust the BG_GC priority when pending IO */ 2007 unsigned int allocate_section_hint; /* the boundary position between devices */ 2008 unsigned int allocate_section_policy; /* determine the section writing priority */ 2009 2010 /* For write statistics */ 2011 u64 sectors_written_start; 2012 u64 kbytes_written; 2013 2014 /* Precomputed FS UUID checksum for seeding other checksums */ 2015 __u32 s_chksum_seed; 2016 2017 struct workqueue_struct *wq; /* bio completion workqueue */ 2018 2019 struct workqueue_struct *evict_wq; /* inode eviction workqueue */ 2020 2021 /* 2022 * If we are in irq context, let's update error information into 2023 * on-disk superblock in the work. 2024 */ 2025 struct work_struct s_error_work; 2026 unsigned char errors[MAX_F2FS_ERRORS]; /* error flags */ 2027 unsigned char stop_reason[MAX_STOP_REASON]; /* stop reason */ 2028 spinlock_t error_lock; /* protect errors/stop_reason array */ 2029 bool error_dirty; /* errors of sb is dirty */ 2030 bool stop_reason_dirty; /* stop reason of sb is dirty */ 2031 2032 /* For reclaimed segs statistics per each GC mode */ 2033 unsigned int gc_segment_mode; /* GC state for reclaimed segments */ 2034 unsigned int gc_reclaimed_segs[MAX_GC_MODE]; /* Reclaimed segs for each mode */ 2035 2036 unsigned int seq_file_ra_mul; /* multiplier for ra_pages of seq. files in fadvise */ 2037 2038 int max_fragment_chunk; /* max chunk size for block fragmentation mode */ 2039 int max_fragment_hole; /* max hole size for block fragmentation mode */ 2040 2041 /* For atomic write statistics */ 2042 atomic64_t current_atomic_write; 2043 s64 peak_atomic_write; 2044 u64 committed_atomic_block; 2045 u64 revoked_atomic_block; 2046 2047 /* carve out reserved_blocks from total blocks */ 2048 bool carve_out; 2049 2050 /* max elapsed time threshold in critical region that lock covered */ 2051 unsigned long long max_lock_elapsed_time; 2052 2053 /* enable/disable to adjust task priority in critical region covered by lock */ 2054 unsigned int adjust_lock_priority; 2055 2056 /* adjust priority for task which is in critical region covered by lock */ 2057 unsigned int lock_duration_priority; 2058 2059 /* priority for critical task, e.g. f2fs_ckpt, f2fs_gc threads */ 2060 long critical_task_priority; 2061 2062 #ifdef CONFIG_F2FS_FS_COMPRESSION 2063 struct kmem_cache *page_array_slab; /* page array entry */ 2064 unsigned int page_array_slab_size; /* default page array slab size */ 2065 2066 /* For runtime compression statistics */ 2067 u64 compr_written_block; 2068 u64 compr_saved_block; 2069 u32 compr_new_inode; 2070 2071 /* For compressed block cache */ 2072 struct inode *compress_inode; /* cache compressed blocks */ 2073 unsigned int compress_percent; /* cache page percentage */ 2074 unsigned int compress_watermark; /* cache page watermark */ 2075 atomic_t compress_page_hit; /* cache hit count */ 2076 #endif 2077 2078 #ifdef CONFIG_F2FS_IOSTAT 2079 /* For app/fs IO statistics */ 2080 spinlock_t iostat_lock; 2081 unsigned long long iostat_count[NR_IO_TYPE]; 2082 unsigned long long iostat_bytes[NR_IO_TYPE]; 2083 unsigned long long prev_iostat_bytes[NR_IO_TYPE]; 2084 unsigned long long iostat_read_folio_count[NR_PAGE_ORDERS]; 2085 unsigned long long prev_iostat_read_folio_count[NR_PAGE_ORDERS]; 2086 bool iostat_enable; 2087 unsigned long iostat_next_period; 2088 unsigned int iostat_period_ms; 2089 2090 /* For io latency related statistics info in one iostat period */ 2091 spinlock_t iostat_lat_lock; 2092 struct iostat_lat_info *iostat_io_lat; 2093 #endif 2094 #ifdef CONFIG_DEBUG_LOCK_ALLOC 2095 struct lock_class_key cp_global_sem_key; 2096 #endif 2097 }; 2098 2099 /* Definitions to access f2fs_sb_info */ 2100 #define SEGS_TO_BLKS(sbi, segs) \ 2101 ((segs) << (sbi)->log_blocks_per_seg) 2102 #define BLKS_TO_SEGS(sbi, blks) \ 2103 ((blks) >> (sbi)->log_blocks_per_seg) 2104 2105 #define BLKS_PER_SEG(sbi) ((sbi)->blocks_per_seg) 2106 #define BLKS_PER_SEC(sbi) (SEGS_TO_BLKS(sbi, (sbi)->segs_per_sec)) 2107 #define SEGS_PER_SEC(sbi) ((sbi)->segs_per_sec) 2108 2109 __printf(3, 4) 2110 void f2fs_printk(struct f2fs_sb_info *sbi, bool limit_rate, const char *fmt, ...); 2111 2112 #define f2fs_err(sbi, fmt, ...) \ 2113 f2fs_printk(sbi, false, KERN_ERR fmt, ##__VA_ARGS__) 2114 #define f2fs_warn(sbi, fmt, ...) \ 2115 f2fs_printk(sbi, false, KERN_WARNING fmt, ##__VA_ARGS__) 2116 #define f2fs_notice(sbi, fmt, ...) \ 2117 f2fs_printk(sbi, false, KERN_NOTICE fmt, ##__VA_ARGS__) 2118 #define f2fs_info(sbi, fmt, ...) \ 2119 f2fs_printk(sbi, false, KERN_INFO fmt, ##__VA_ARGS__) 2120 #define f2fs_debug(sbi, fmt, ...) \ 2121 f2fs_printk(sbi, false, KERN_DEBUG fmt, ##__VA_ARGS__) 2122 2123 #define f2fs_err_ratelimited(sbi, fmt, ...) \ 2124 f2fs_printk(sbi, true, KERN_ERR fmt, ##__VA_ARGS__) 2125 #define f2fs_warn_ratelimited(sbi, fmt, ...) \ 2126 f2fs_printk(sbi, true, KERN_WARNING fmt, ##__VA_ARGS__) 2127 #define f2fs_info_ratelimited(sbi, fmt, ...) \ 2128 f2fs_printk(sbi, true, KERN_INFO fmt, ##__VA_ARGS__) 2129 2130 #ifdef CONFIG_F2FS_FAULT_INJECTION 2131 #define time_to_inject(sbi, type) __time_to_inject(sbi, type, __func__, \ 2132 __builtin_return_address(0)) 2133 static inline bool __time_to_inject(struct f2fs_sb_info *sbi, int type, 2134 const char *func, const char *parent_func) 2135 { 2136 struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; 2137 2138 if (!ffi->inject_rate) 2139 return false; 2140 2141 if (!IS_FAULT_SET(ffi, type)) 2142 return false; 2143 2144 atomic_inc(&ffi->inject_ops); 2145 if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { 2146 atomic_set(&ffi->inject_ops, 0); 2147 ffi->inject_count[type]++; 2148 f2fs_info_ratelimited(sbi, "inject %s in %s of %pS", 2149 f2fs_fault_name[type], func, parent_func); 2150 return true; 2151 } 2152 return false; 2153 } 2154 #else 2155 static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) 2156 { 2157 return false; 2158 } 2159 #endif 2160 2161 /* 2162 * Test if the mounted volume is a multi-device volume. 2163 * - For a single regular disk volume, sbi->s_ndevs is 0. 2164 * - For a single zoned disk volume, sbi->s_ndevs is 1. 2165 * - For a multi-device volume, sbi->s_ndevs is always 2 or more. 2166 */ 2167 static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi) 2168 { 2169 return sbi->s_ndevs > 1; 2170 } 2171 2172 static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) 2173 { 2174 unsigned long now = jiffies; 2175 2176 WRITE_ONCE(sbi->last_time[type], now); 2177 2178 /* DISCARD_TIME and GC_TIME are based on REQ_TIME */ 2179 if (type == REQ_TIME) { 2180 WRITE_ONCE(sbi->last_time[DISCARD_TIME], now); 2181 WRITE_ONCE(sbi->last_time[GC_TIME], now); 2182 } 2183 } 2184 2185 static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) 2186 { 2187 unsigned long interval = sbi->interval_time[type] * HZ; 2188 2189 return time_after(jiffies, READ_ONCE(sbi->last_time[type]) + interval); 2190 } 2191 2192 static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi, 2193 int type) 2194 { 2195 unsigned long interval = sbi->interval_time[type] * HZ; 2196 unsigned int wait_ms = 0; 2197 long delta; 2198 2199 delta = (READ_ONCE(sbi->last_time[type]) + interval) - jiffies; 2200 if (delta > 0) 2201 wait_ms = jiffies_to_msecs(delta); 2202 2203 return wait_ms; 2204 } 2205 2206 /* 2207 * Inline functions 2208 */ 2209 static inline u32 __f2fs_crc32(u32 crc, const void *address, 2210 unsigned int length) 2211 { 2212 return crc32(crc, address, length); 2213 } 2214 2215 static inline u32 f2fs_crc32(const void *address, unsigned int length) 2216 { 2217 return __f2fs_crc32(F2FS_SUPER_MAGIC, address, length); 2218 } 2219 2220 static inline u32 f2fs_chksum(u32 crc, const void *address, unsigned int length) 2221 { 2222 return __f2fs_crc32(crc, address, length); 2223 } 2224 2225 static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) 2226 { 2227 return container_of(inode, struct f2fs_inode_info, vfs_inode); 2228 } 2229 2230 static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) 2231 { 2232 return sb->s_fs_info; 2233 } 2234 2235 static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) 2236 { 2237 return F2FS_SB(inode->i_sb); 2238 } 2239 2240 static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) 2241 { 2242 return F2FS_I_SB(mapping->host); 2243 } 2244 2245 static inline struct f2fs_sb_info *F2FS_F_SB(const struct folio *folio) 2246 { 2247 return F2FS_M_SB(folio->mapping); 2248 } 2249 2250 static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) 2251 { 2252 return (struct f2fs_super_block *)(sbi->raw_super); 2253 } 2254 2255 static inline struct f2fs_super_block *F2FS_SUPER_BLOCK(struct folio *folio, 2256 pgoff_t index) 2257 { 2258 pgoff_t idx_in_folio = index % folio_nr_pages(folio); 2259 2260 return (struct f2fs_super_block *) 2261 (page_address(folio_page(folio, idx_in_folio)) + 2262 F2FS_SUPER_OFFSET); 2263 } 2264 2265 static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) 2266 { 2267 return (struct f2fs_checkpoint *)(sbi->ckpt); 2268 } 2269 2270 static inline struct f2fs_node *F2FS_NODE(const struct folio *folio) 2271 { 2272 return (struct f2fs_node *)folio_address(folio); 2273 } 2274 2275 static inline struct f2fs_inode *F2FS_INODE(const struct folio *folio) 2276 { 2277 return &((struct f2fs_node *)folio_address(folio))->i; 2278 } 2279 2280 static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) 2281 { 2282 return (struct f2fs_nm_info *)(sbi->nm_info); 2283 } 2284 2285 static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) 2286 { 2287 return (struct f2fs_sm_info *)(sbi->sm_info); 2288 } 2289 2290 static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) 2291 { 2292 return (struct sit_info *)(SM_I(sbi)->sit_info); 2293 } 2294 2295 static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) 2296 { 2297 return (struct free_segmap_info *)(SM_I(sbi)->free_info); 2298 } 2299 2300 static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) 2301 { 2302 return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); 2303 } 2304 2305 static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) 2306 { 2307 return sbi->meta_inode->i_mapping; 2308 } 2309 2310 static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) 2311 { 2312 return sbi->node_inode->i_mapping; 2313 } 2314 2315 static inline bool is_meta_folio(struct folio *folio) 2316 { 2317 return folio->mapping == META_MAPPING(F2FS_F_SB(folio)); 2318 } 2319 2320 static inline bool is_node_folio(struct folio *folio) 2321 { 2322 return folio->mapping == NODE_MAPPING(F2FS_F_SB(folio)); 2323 } 2324 2325 static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) 2326 { 2327 return test_bit(type, &sbi->s_flag); 2328 } 2329 2330 static inline void __set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) 2331 { 2332 set_bit(type, &sbi->s_flag); 2333 } 2334 2335 #define set_sbi_flag(sbi, type) \ 2336 do { \ 2337 __set_sbi_flag(sbi, type); \ 2338 if ((type) == SBI_NEED_FSCK) \ 2339 f2fs_fault_report(sbi->sb, REPORT_FAULT_NEED_FSCK, __func__, __LINE__); \ 2340 } while (0) 2341 2342 static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) 2343 { 2344 clear_bit(type, &sbi->s_flag); 2345 } 2346 2347 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) 2348 { 2349 return le64_to_cpu(cp->checkpoint_ver); 2350 } 2351 2352 static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) 2353 { 2354 if (type < F2FS_MAX_QUOTAS) 2355 return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); 2356 return 0; 2357 } 2358 2359 static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) 2360 { 2361 size_t crc_offset = le32_to_cpu(cp->checksum_offset); 2362 return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); 2363 } 2364 2365 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) 2366 { 2367 unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); 2368 2369 return ckpt_flags & f; 2370 } 2371 2372 static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) 2373 { 2374 return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); 2375 } 2376 2377 static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) 2378 { 2379 unsigned int ckpt_flags; 2380 2381 ckpt_flags = le32_to_cpu(cp->ckpt_flags); 2382 ckpt_flags |= f; 2383 cp->ckpt_flags = cpu_to_le32(ckpt_flags); 2384 } 2385 2386 static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) 2387 { 2388 unsigned long flags; 2389 2390 spin_lock_irqsave(&sbi->cp_lock, flags); 2391 __set_ckpt_flags(F2FS_CKPT(sbi), f); 2392 spin_unlock_irqrestore(&sbi->cp_lock, flags); 2393 } 2394 2395 static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) 2396 { 2397 unsigned int ckpt_flags; 2398 2399 ckpt_flags = le32_to_cpu(cp->ckpt_flags); 2400 ckpt_flags &= (~f); 2401 cp->ckpt_flags = cpu_to_le32(ckpt_flags); 2402 } 2403 2404 static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) 2405 { 2406 unsigned long flags; 2407 2408 spin_lock_irqsave(&sbi->cp_lock, flags); 2409 __clear_ckpt_flags(F2FS_CKPT(sbi), f); 2410 spin_unlock_irqrestore(&sbi->cp_lock, flags); 2411 } 2412 2413 #define init_f2fs_rwsem(sem) __init_f2fs_rwsem(sem, NULL, LOCK_NAME_NONE) 2414 #define init_f2fs_rwsem_trace __init_f2fs_rwsem 2415 2416 #define __init_f2fs_rwsem(sem, sbi, name) \ 2417 do { \ 2418 static struct lock_class_key __key; \ 2419 \ 2420 do_init_f2fs_rwsem((sem), #sem, &__key, sbi, name); \ 2421 } while (0) 2422 2423 static inline void do_init_f2fs_rwsem(struct f2fs_rwsem *sem, 2424 const char *sem_name, struct lock_class_key *key, 2425 struct f2fs_sb_info *sbi, enum f2fs_lock_name name) 2426 { 2427 sem->sbi = sbi; 2428 sem->name = name; 2429 __init_rwsem(&sem->internal_rwsem, sem_name, key); 2430 #ifdef CONFIG_F2FS_UNFAIR_RWSEM 2431 init_waitqueue_head(&sem->read_waiters); 2432 #endif 2433 } 2434 2435 static inline int f2fs_rwsem_is_locked(struct f2fs_rwsem *sem) 2436 { 2437 return rwsem_is_locked(&sem->internal_rwsem); 2438 } 2439 2440 static inline int f2fs_rwsem_is_contended(struct f2fs_rwsem *sem) 2441 { 2442 return rwsem_is_contended(&sem->internal_rwsem); 2443 } 2444 2445 static inline void f2fs_down_read(struct f2fs_rwsem *sem) 2446 { 2447 #ifdef CONFIG_F2FS_UNFAIR_RWSEM 2448 wait_event(sem->read_waiters, down_read_trylock(&sem->internal_rwsem)); 2449 #else 2450 down_read(&sem->internal_rwsem); 2451 #endif 2452 } 2453 2454 static inline int f2fs_down_read_trylock(struct f2fs_rwsem *sem) 2455 { 2456 return down_read_trylock(&sem->internal_rwsem); 2457 } 2458 2459 static inline void f2fs_up_read(struct f2fs_rwsem *sem) 2460 { 2461 up_read(&sem->internal_rwsem); 2462 } 2463 2464 static inline void f2fs_down_write(struct f2fs_rwsem *sem) 2465 { 2466 down_write(&sem->internal_rwsem); 2467 } 2468 2469 #ifdef CONFIG_DEBUG_LOCK_ALLOC 2470 static inline void f2fs_down_read_nested(struct f2fs_rwsem *sem, int subclass) 2471 { 2472 down_read_nested(&sem->internal_rwsem, subclass); 2473 } 2474 2475 static inline void f2fs_down_write_nested(struct f2fs_rwsem *sem, int subclass) 2476 { 2477 down_write_nested(&sem->internal_rwsem, subclass); 2478 } 2479 #else 2480 #define f2fs_down_read_nested(sem, subclass) f2fs_down_read(sem) 2481 #define f2fs_down_write_nested(sem, subclass) f2fs_down_write(sem) 2482 #endif 2483 2484 static inline int f2fs_down_write_trylock(struct f2fs_rwsem *sem) 2485 { 2486 return down_write_trylock(&sem->internal_rwsem); 2487 } 2488 2489 static inline void f2fs_up_write(struct f2fs_rwsem *sem) 2490 { 2491 up_write(&sem->internal_rwsem); 2492 #ifdef CONFIG_F2FS_UNFAIR_RWSEM 2493 wake_up_all(&sem->read_waiters); 2494 #endif 2495 } 2496 2497 void f2fs_down_read_trace(struct f2fs_rwsem *sem, struct f2fs_lock_context *lc); 2498 int f2fs_down_read_trylock_trace(struct f2fs_rwsem *sem, 2499 struct f2fs_lock_context *lc); 2500 void f2fs_up_read_trace(struct f2fs_rwsem *sem, struct f2fs_lock_context *lc); 2501 void f2fs_down_write_trace(struct f2fs_rwsem *sem, 2502 struct f2fs_lock_context *lc); 2503 int f2fs_down_write_trylock_trace(struct f2fs_rwsem *sem, 2504 struct f2fs_lock_context *lc); 2505 void f2fs_up_write_trace(struct f2fs_rwsem *sem, struct f2fs_lock_context *lc); 2506 2507 static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) 2508 { 2509 unsigned long flags; 2510 unsigned char *nat_bits; 2511 2512 /* 2513 * In order to re-enable nat_bits we need to call fsck.f2fs by 2514 * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost, 2515 * so let's rely on regular fsck or unclean shutdown. 2516 */ 2517 2518 if (lock) 2519 spin_lock_irqsave(&sbi->cp_lock, flags); 2520 __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG); 2521 nat_bits = NM_I(sbi)->nat_bits; 2522 NM_I(sbi)->nat_bits = NULL; 2523 if (lock) 2524 spin_unlock_irqrestore(&sbi->cp_lock, flags); 2525 2526 kvfree(nat_bits); 2527 } 2528 2529 static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi, 2530 struct cp_control *cpc) 2531 { 2532 bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG); 2533 2534 return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set; 2535 } 2536 2537 static inline int __get_cp_reason(struct f2fs_sb_info *sbi) 2538 { 2539 int reason = CP_SYNC; 2540 2541 if (test_opt(sbi, FASTBOOT)) 2542 reason = CP_FASTBOOT; 2543 if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) 2544 reason = CP_UMOUNT; 2545 return reason; 2546 } 2547 2548 static inline bool __remain_node_summaries(int reason) 2549 { 2550 return (reason & (CP_UMOUNT | CP_FASTBOOT)); 2551 } 2552 2553 static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) 2554 { 2555 return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || 2556 is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); 2557 } 2558 2559 /* 2560 * Check whether the inode has blocks or not 2561 */ 2562 static inline int F2FS_HAS_BLOCKS(struct inode *inode) 2563 { 2564 block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; 2565 2566 return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; 2567 } 2568 2569 static inline bool f2fs_has_xattr_block(unsigned int ofs) 2570 { 2571 return ofs == XATTR_NODE_OFFSET; 2572 } 2573 2574 static inline bool __allow_reserved_root(struct f2fs_sb_info *sbi, 2575 struct inode *inode, bool cap) 2576 { 2577 if (!inode) 2578 return true; 2579 if (IS_NOQUOTA(inode)) 2580 return true; 2581 if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid())) 2582 return true; 2583 if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && 2584 in_group_p(F2FS_OPTION(sbi).s_resgid)) 2585 return true; 2586 if (cap && capable(CAP_SYS_RESOURCE)) 2587 return true; 2588 return false; 2589 } 2590 2591 static inline unsigned int get_available_block_count(struct f2fs_sb_info *sbi, 2592 struct inode *inode, bool cap) 2593 { 2594 block_t avail_user_block_count; 2595 2596 avail_user_block_count = sbi->user_block_count - 2597 sbi->current_reserved_blocks - 2598 sbi->alias_reserved_blocks; 2599 2600 if (test_opt(sbi, RESERVE_ROOT) && !__allow_reserved_root(sbi, inode, cap)) 2601 avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; 2602 2603 if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { 2604 if (avail_user_block_count > sbi->unusable_block_count) 2605 avail_user_block_count -= sbi->unusable_block_count; 2606 else 2607 avail_user_block_count = 0; 2608 } 2609 2610 return avail_user_block_count; 2611 } 2612 2613 static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); 2614 static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, 2615 struct inode *inode, blkcnt_t *count, 2616 bool partial, bool alias_reserved) 2617 { 2618 long long diff = 0, release = 0; 2619 block_t avail_user_block_count; 2620 int ret; 2621 2622 ret = dquot_reserve_block(inode, *count); 2623 if (ret) 2624 return ret; 2625 2626 if (time_to_inject(sbi, FAULT_BLOCK)) { 2627 release = *count; 2628 goto release_quota; 2629 } 2630 2631 /* 2632 * let's increase this in prior to actual block count change in order 2633 * for f2fs_sync_file to avoid data races when deciding checkpoint. 2634 */ 2635 percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); 2636 2637 spin_lock(&sbi->stat_lock); 2638 2639 if (alias_reserved) 2640 sbi->alias_reserved_blocks -= *count; 2641 2642 avail_user_block_count = get_available_block_count(sbi, inode, true); 2643 diff = (long long)sbi->total_valid_block_count + *count - 2644 avail_user_block_count; 2645 if (unlikely(diff > 0)) { 2646 if (alias_reserved) 2647 sbi->alias_reserved_blocks += *count; 2648 2649 if (!partial) { 2650 spin_unlock(&sbi->stat_lock); 2651 release = *count; 2652 goto enospc; 2653 } 2654 if (diff > *count) 2655 diff = *count; 2656 *count -= diff; 2657 release = diff; 2658 if (!*count) { 2659 spin_unlock(&sbi->stat_lock); 2660 goto enospc; 2661 } 2662 } 2663 sbi->total_valid_block_count += (block_t)(*count); 2664 2665 spin_unlock(&sbi->stat_lock); 2666 2667 if (unlikely(release)) { 2668 percpu_counter_sub(&sbi->alloc_valid_block_count, release); 2669 dquot_release_reservation_block(inode, release); 2670 } 2671 f2fs_i_blocks_write(inode, *count, true, true); 2672 return 0; 2673 2674 enospc: 2675 percpu_counter_sub(&sbi->alloc_valid_block_count, release); 2676 release_quota: 2677 dquot_release_reservation_block(inode, release); 2678 return -ENOSPC; 2679 } 2680 2681 #define F2FS_FOLIO_PRIVATE_GET_FUNC(name, flagname) \ 2682 static inline bool folio_test_f2fs_##name(const struct folio *folio) \ 2683 { \ 2684 unsigned long priv = (unsigned long)folio->private; \ 2685 unsigned long v = (1UL << F2FS_FOLIO_PRIVATE_NOT_POINTER) | \ 2686 (1UL << F2FS_FOLIO_PRIVATE_##flagname); \ 2687 return (priv & v) == v; \ 2688 } 2689 2690 #define F2FS_FOLIO_PRIVATE_SET_FUNC(name, flagname) \ 2691 static inline void folio_set_f2fs_##name(struct folio *folio) \ 2692 { \ 2693 unsigned long v = (1UL << F2FS_FOLIO_PRIVATE_NOT_POINTER) | \ 2694 (1UL << F2FS_FOLIO_PRIVATE_##flagname); \ 2695 if (!folio->private) \ 2696 folio_attach_private(folio, (void *)v); \ 2697 else { \ 2698 v |= (unsigned long)folio->private; \ 2699 folio->private = (void *)v; \ 2700 } \ 2701 } 2702 2703 #define F2FS_FOLIO_PRIVATE_CLEAR_FUNC(name, flagname) \ 2704 static inline void folio_clear_f2fs_##name(struct folio *folio) \ 2705 { \ 2706 unsigned long v = (unsigned long)folio->private; \ 2707 \ 2708 v &= ~(1UL << F2FS_FOLIO_PRIVATE_##flagname); \ 2709 if (v == (1UL << F2FS_FOLIO_PRIVATE_NOT_POINTER)) \ 2710 folio_detach_private(folio); \ 2711 else \ 2712 folio->private = (void *)v; \ 2713 } 2714 2715 F2FS_FOLIO_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER); 2716 F2FS_FOLIO_PRIVATE_GET_FUNC(inline, INLINE_INODE); 2717 F2FS_FOLIO_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION); 2718 F2FS_FOLIO_PRIVATE_GET_FUNC(atomic, ATOMIC_WRITE); 2719 2720 F2FS_FOLIO_PRIVATE_SET_FUNC(reference, REF_RESOURCE); 2721 F2FS_FOLIO_PRIVATE_SET_FUNC(inline, INLINE_INODE); 2722 F2FS_FOLIO_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION); 2723 F2FS_FOLIO_PRIVATE_SET_FUNC(atomic, ATOMIC_WRITE); 2724 2725 F2FS_FOLIO_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE); 2726 F2FS_FOLIO_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE); 2727 F2FS_FOLIO_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION); 2728 F2FS_FOLIO_PRIVATE_CLEAR_FUNC(atomic, ATOMIC_WRITE); 2729 2730 static inline unsigned long folio_get_f2fs_data(struct folio *folio) 2731 { 2732 unsigned long data = (unsigned long)folio->private; 2733 2734 if (!test_bit(F2FS_FOLIO_PRIVATE_NOT_POINTER, &data)) 2735 return 0; 2736 return data >> F2FS_FOLIO_PRIVATE_MAX; 2737 } 2738 2739 static inline void folio_set_f2fs_data(struct folio *folio, unsigned long data) 2740 { 2741 data = (1UL << F2FS_FOLIO_PRIVATE_NOT_POINTER) | 2742 (data << F2FS_FOLIO_PRIVATE_MAX); 2743 2744 if (!folio_test_private(folio)) 2745 folio_attach_private(folio, (void *)data); 2746 else 2747 folio->private = (void *)((unsigned long)folio->private | data); 2748 } 2749 2750 static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, 2751 struct inode *inode, 2752 block_t count) 2753 { 2754 blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; 2755 2756 spin_lock(&sbi->stat_lock); 2757 if (unlikely(sbi->total_valid_block_count < count)) { 2758 f2fs_warn(sbi, "Inconsistent total_valid_block_count:%u, ino:%llu, count:%u", 2759 sbi->total_valid_block_count, inode->i_ino, count); 2760 sbi->total_valid_block_count = 0; 2761 set_sbi_flag(sbi, SBI_NEED_FSCK); 2762 } else { 2763 sbi->total_valid_block_count -= count; 2764 } 2765 if (sbi->reserved_blocks && 2766 sbi->current_reserved_blocks < sbi->reserved_blocks) 2767 sbi->current_reserved_blocks = min(sbi->reserved_blocks, 2768 sbi->current_reserved_blocks + count); 2769 spin_unlock(&sbi->stat_lock); 2770 if (unlikely(inode->i_blocks < sectors)) { 2771 f2fs_warn(sbi, "Inconsistent i_blocks, ino:%llu, iblocks:%llu, sectors:%llu", 2772 inode->i_ino, 2773 (unsigned long long)inode->i_blocks, 2774 (unsigned long long)sectors); 2775 set_sbi_flag(sbi, SBI_NEED_FSCK); 2776 return; 2777 } 2778 f2fs_i_blocks_write(inode, count, false, true); 2779 } 2780 2781 static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) 2782 { 2783 atomic_inc(&sbi->nr_pages[count_type]); 2784 2785 if (count_type == F2FS_DIRTY_DENTS || 2786 count_type == F2FS_DIRTY_NODES || 2787 count_type == F2FS_DIRTY_META || 2788 count_type == F2FS_DIRTY_QDATA || 2789 count_type == F2FS_DIRTY_IMETA) 2790 set_sbi_flag(sbi, SBI_IS_DIRTY); 2791 } 2792 2793 static inline void inode_inc_dirty_pages(struct inode *inode) 2794 { 2795 atomic_inc(&F2FS_I(inode)->dirty_pages); 2796 inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? 2797 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); 2798 if (IS_NOQUOTA(inode)) 2799 inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); 2800 } 2801 2802 static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) 2803 { 2804 atomic_dec(&sbi->nr_pages[count_type]); 2805 } 2806 2807 static inline void inode_dec_dirty_pages(struct inode *inode) 2808 { 2809 if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && 2810 !S_ISLNK(inode->i_mode)) 2811 return; 2812 2813 atomic_dec(&F2FS_I(inode)->dirty_pages); 2814 dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? 2815 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); 2816 if (IS_NOQUOTA(inode)) 2817 dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); 2818 } 2819 2820 static inline void inc_atomic_write_cnt(struct inode *inode) 2821 { 2822 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); 2823 struct f2fs_inode_info *fi = F2FS_I(inode); 2824 u64 current_write; 2825 2826 fi->atomic_write_cnt++; 2827 atomic64_inc(&sbi->current_atomic_write); 2828 current_write = atomic64_read(&sbi->current_atomic_write); 2829 if (current_write > sbi->peak_atomic_write) 2830 sbi->peak_atomic_write = current_write; 2831 } 2832 2833 static inline void release_atomic_write_cnt(struct inode *inode) 2834 { 2835 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); 2836 struct f2fs_inode_info *fi = F2FS_I(inode); 2837 2838 atomic64_sub(fi->atomic_write_cnt, &sbi->current_atomic_write); 2839 fi->atomic_write_cnt = 0; 2840 } 2841 2842 static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) 2843 { 2844 return atomic_read(&sbi->nr_pages[count_type]); 2845 } 2846 2847 static inline int get_dirty_pages(struct inode *inode) 2848 { 2849 return atomic_read(&F2FS_I(inode)->dirty_pages); 2850 } 2851 2852 static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) 2853 { 2854 return div_u64(get_pages(sbi, block_type) + BLKS_PER_SEC(sbi) - 1, 2855 BLKS_PER_SEC(sbi)); 2856 } 2857 2858 static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) 2859 { 2860 return sbi->total_valid_block_count; 2861 } 2862 2863 static inline block_t discard_blocks(struct f2fs_sb_info *sbi) 2864 { 2865 return sbi->discard_blks; 2866 } 2867 2868 static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) 2869 { 2870 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); 2871 2872 /* return NAT or SIT bitmap */ 2873 if (flag == NAT_BITMAP) 2874 return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); 2875 else if (flag == SIT_BITMAP) 2876 return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); 2877 2878 return 0; 2879 } 2880 2881 static inline block_t __cp_payload(struct f2fs_sb_info *sbi) 2882 { 2883 return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); 2884 } 2885 2886 static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) 2887 { 2888 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); 2889 void *tmp_ptr = &ckpt->sit_nat_version_bitmap; 2890 int offset; 2891 2892 if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) { 2893 offset = (flag == SIT_BITMAP) ? 2894 le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0; 2895 /* 2896 * if large_nat_bitmap feature is enabled, leave checksum 2897 * protection for all nat/sit bitmaps. 2898 */ 2899 return tmp_ptr + offset + sizeof(__le32); 2900 } 2901 2902 if (__cp_payload(sbi) > 0) { 2903 if (flag == NAT_BITMAP) 2904 return tmp_ptr; 2905 else 2906 return (unsigned char *)ckpt + F2FS_BLKSIZE; 2907 } else { 2908 offset = (flag == NAT_BITMAP) ? 2909 le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; 2910 return tmp_ptr + offset; 2911 } 2912 } 2913 2914 static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) 2915 { 2916 block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); 2917 2918 if (sbi->cur_cp_pack == 2) 2919 start_addr += BLKS_PER_SEG(sbi); 2920 return start_addr; 2921 } 2922 2923 static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) 2924 { 2925 block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); 2926 2927 if (sbi->cur_cp_pack == 1) 2928 start_addr += BLKS_PER_SEG(sbi); 2929 return start_addr; 2930 } 2931 2932 static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) 2933 { 2934 sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; 2935 } 2936 2937 static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) 2938 { 2939 return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); 2940 } 2941 2942 static inline bool __has_cursum_space(struct f2fs_sb_info *sbi, 2943 struct f2fs_journal *journal, unsigned int size, int type) 2944 { 2945 if (type == NAT_JOURNAL) 2946 return size <= MAX_NAT_JENTRIES(sbi, journal); 2947 return size <= MAX_SIT_JENTRIES(sbi, journal); 2948 } 2949 2950 extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); 2951 static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, 2952 struct inode *inode, bool is_inode) 2953 { 2954 block_t valid_block_count; 2955 unsigned int valid_node_count, avail_user_node_count; 2956 unsigned int avail_user_block_count; 2957 int err; 2958 2959 if (is_inode) { 2960 if (inode) { 2961 err = dquot_alloc_inode(inode); 2962 if (err) 2963 return err; 2964 } 2965 } else { 2966 err = dquot_reserve_block(inode, 1); 2967 if (err) 2968 return err; 2969 } 2970 2971 if (time_to_inject(sbi, FAULT_BLOCK)) 2972 goto enospc; 2973 2974 spin_lock(&sbi->stat_lock); 2975 2976 valid_block_count = sbi->total_valid_block_count + 1; 2977 avail_user_block_count = get_available_block_count(sbi, inode, 2978 test_opt(sbi, RESERVE_NODE)); 2979 2980 if (unlikely(valid_block_count > avail_user_block_count)) { 2981 spin_unlock(&sbi->stat_lock); 2982 goto enospc; 2983 } 2984 2985 avail_user_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; 2986 if (test_opt(sbi, RESERVE_NODE) && 2987 !__allow_reserved_root(sbi, inode, true)) 2988 avail_user_node_count -= F2FS_OPTION(sbi).root_reserved_nodes; 2989 valid_node_count = sbi->total_valid_node_count + 1; 2990 if (unlikely(valid_node_count > avail_user_node_count)) { 2991 spin_unlock(&sbi->stat_lock); 2992 goto enospc; 2993 } 2994 2995 sbi->total_valid_node_count++; 2996 sbi->total_valid_block_count++; 2997 spin_unlock(&sbi->stat_lock); 2998 2999 if (inode) { 3000 if (is_inode) 3001 f2fs_mark_inode_dirty_sync(inode, true); 3002 else 3003 f2fs_i_blocks_write(inode, 1, true, true); 3004 } 3005 3006 percpu_counter_inc(&sbi->alloc_valid_block_count); 3007 return 0; 3008 3009 enospc: 3010 if (is_inode) { 3011 if (inode) 3012 dquot_free_inode(inode); 3013 } else { 3014 dquot_release_reservation_block(inode, 1); 3015 } 3016 return -ENOSPC; 3017 } 3018 3019 static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, 3020 struct inode *inode, bool is_inode) 3021 { 3022 spin_lock(&sbi->stat_lock); 3023 3024 if (unlikely(!sbi->total_valid_block_count || 3025 !sbi->total_valid_node_count)) { 3026 f2fs_warn(sbi, "dec_valid_node_count: inconsistent block counts, total_valid_block:%u, total_valid_node:%u", 3027 sbi->total_valid_block_count, 3028 sbi->total_valid_node_count); 3029 set_sbi_flag(sbi, SBI_NEED_FSCK); 3030 } else { 3031 sbi->total_valid_block_count--; 3032 sbi->total_valid_node_count--; 3033 } 3034 3035 if (sbi->reserved_blocks && 3036 sbi->current_reserved_blocks < sbi->reserved_blocks) 3037 sbi->current_reserved_blocks++; 3038 3039 spin_unlock(&sbi->stat_lock); 3040 3041 if (is_inode) { 3042 dquot_free_inode(inode); 3043 } else { 3044 if (unlikely(inode->i_blocks == 0)) { 3045 f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%llu, iblocks:%llu", 3046 inode->i_ino, 3047 (unsigned long long)inode->i_blocks); 3048 set_sbi_flag(sbi, SBI_NEED_FSCK); 3049 return; 3050 } 3051 f2fs_i_blocks_write(inode, 1, false, true); 3052 } 3053 } 3054 3055 static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) 3056 { 3057 return sbi->total_valid_node_count; 3058 } 3059 3060 static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) 3061 { 3062 percpu_counter_inc(&sbi->total_valid_inode_count); 3063 } 3064 3065 static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) 3066 { 3067 percpu_counter_dec(&sbi->total_valid_inode_count); 3068 } 3069 3070 static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) 3071 { 3072 return percpu_counter_sum_positive(&sbi->total_valid_inode_count); 3073 } 3074 3075 static inline struct folio *f2fs_grab_cache_folio(struct address_space *mapping, 3076 pgoff_t index, bool for_write) 3077 { 3078 struct folio *folio; 3079 unsigned int flags; 3080 3081 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) { 3082 fgf_t fgf_flags; 3083 3084 if (!for_write) 3085 fgf_flags = FGP_LOCK | FGP_ACCESSED; 3086 else 3087 fgf_flags = FGP_LOCK; 3088 folio = __filemap_get_folio(mapping, index, fgf_flags, 0); 3089 if (!IS_ERR(folio)) 3090 return folio; 3091 3092 if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) 3093 return ERR_PTR(-ENOMEM); 3094 } 3095 3096 if (!for_write) 3097 return filemap_grab_folio(mapping, index); 3098 3099 flags = memalloc_nofs_save(); 3100 folio = __filemap_get_folio(mapping, index, FGP_WRITEBEGIN, 3101 mapping_gfp_mask(mapping)); 3102 memalloc_nofs_restore(flags); 3103 3104 return folio; 3105 } 3106 3107 static inline struct folio *f2fs_filemap_get_folio( 3108 struct address_space *mapping, pgoff_t index, 3109 fgf_t fgp_flags, gfp_t gfp_mask) 3110 { 3111 if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) 3112 return ERR_PTR(-ENOMEM); 3113 3114 return __filemap_get_folio(mapping, index, fgp_flags, gfp_mask); 3115 } 3116 3117 static inline void f2fs_folio_put(struct folio *folio, bool unlock) 3118 { 3119 if (IS_ERR_OR_NULL(folio)) 3120 return; 3121 3122 if (unlock) { 3123 f2fs_bug_on(F2FS_F_SB(folio), !folio_test_locked(folio)); 3124 folio_unlock(folio); 3125 } 3126 folio_put(folio); 3127 } 3128 3129 static inline void f2fs_put_page(struct page *page, bool unlock) 3130 { 3131 if (!page) 3132 return; 3133 f2fs_folio_put(page_folio(page), unlock); 3134 } 3135 3136 static inline void f2fs_put_dnode(struct dnode_of_data *dn) 3137 { 3138 if (dn->node_folio) 3139 f2fs_folio_put(dn->node_folio, true); 3140 if (dn->inode_folio && dn->node_folio != dn->inode_folio) 3141 f2fs_folio_put(dn->inode_folio, false); 3142 dn->node_folio = NULL; 3143 dn->inode_folio = NULL; 3144 } 3145 3146 static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, 3147 size_t size) 3148 { 3149 return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); 3150 } 3151 3152 static inline void *f2fs_kmem_cache_alloc_nofail(struct kmem_cache *cachep, 3153 gfp_t flags) 3154 { 3155 void *entry; 3156 3157 entry = kmem_cache_alloc(cachep, flags); 3158 if (!entry) 3159 entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); 3160 return entry; 3161 } 3162 3163 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, 3164 gfp_t flags, bool nofail, struct f2fs_sb_info *sbi) 3165 { 3166 if (nofail) 3167 return f2fs_kmem_cache_alloc_nofail(cachep, flags); 3168 3169 if (time_to_inject(sbi, FAULT_SLAB_ALLOC)) 3170 return NULL; 3171 3172 return kmem_cache_alloc(cachep, flags); 3173 } 3174 3175 static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type) 3176 { 3177 if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) || 3178 get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) || 3179 get_pages(sbi, F2FS_WB_CP_DATA) || 3180 get_pages(sbi, F2FS_DIO_READ) || 3181 get_pages(sbi, F2FS_DIO_WRITE)) 3182 return true; 3183 3184 if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info && 3185 atomic_read(&SM_I(sbi)->dcc_info->queued_discard)) 3186 return true; 3187 3188 if (SM_I(sbi) && SM_I(sbi)->fcc_info && 3189 atomic_read(&SM_I(sbi)->fcc_info->queued_flush)) 3190 return true; 3191 return false; 3192 } 3193 3194 static inline bool is_inflight_read_io(struct f2fs_sb_info *sbi) 3195 { 3196 return get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_DIO_READ); 3197 } 3198 3199 static inline bool is_idle(struct f2fs_sb_info *sbi, int type) 3200 { 3201 bool zoned_gc = (type == GC_TIME && 3202 F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_BLKZONED)); 3203 3204 if (sbi->gc_mode == GC_URGENT_HIGH) 3205 return true; 3206 3207 if (sbi->bggc_io_aware == AWARE_READ_IO && is_inflight_read_io(sbi)) 3208 return false; 3209 if (sbi->bggc_io_aware == AWARE_ALL_IO && is_inflight_io(sbi, type)) 3210 return false; 3211 3212 if (sbi->gc_mode == GC_URGENT_MID) 3213 return true; 3214 3215 if (sbi->gc_mode == GC_URGENT_LOW && 3216 (type == DISCARD_TIME || type == GC_TIME)) 3217 return true; 3218 3219 if (zoned_gc) 3220 return true; 3221 3222 return f2fs_time_over(sbi, type); 3223 } 3224 3225 static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, 3226 unsigned long index, void *item) 3227 { 3228 while (radix_tree_insert(root, index, item)) 3229 cond_resched(); 3230 } 3231 3232 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) 3233 3234 static inline bool IS_INODE(const struct folio *folio) 3235 { 3236 struct f2fs_node *p = F2FS_NODE(folio); 3237 3238 return RAW_IS_INODE(p); 3239 } 3240 3241 static inline int offset_in_addr(struct f2fs_inode *i) 3242 { 3243 return (i->i_inline & F2FS_EXTRA_ATTR) ? 3244 (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; 3245 } 3246 3247 static inline __le32 *blkaddr_in_node(struct f2fs_node *node) 3248 { 3249 return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; 3250 } 3251 3252 static inline int f2fs_has_extra_attr(struct inode *inode); 3253 static inline unsigned int get_dnode_base(struct inode *inode, 3254 struct folio *node_folio) 3255 { 3256 if (!IS_INODE(node_folio)) 3257 return 0; 3258 3259 return inode ? get_extra_isize(inode) : 3260 offset_in_addr(&F2FS_NODE(node_folio)->i); 3261 } 3262 3263 static inline __le32 *get_dnode_addr(struct inode *inode, 3264 struct folio *node_folio) 3265 { 3266 return blkaddr_in_node(F2FS_NODE(node_folio)) + 3267 get_dnode_base(inode, node_folio); 3268 } 3269 3270 static inline block_t data_blkaddr(struct inode *inode, 3271 struct folio *node_folio, unsigned int offset) 3272 { 3273 return le32_to_cpu(*(get_dnode_addr(inode, node_folio) + offset)); 3274 } 3275 3276 static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn) 3277 { 3278 return data_blkaddr(dn->inode, dn->node_folio, dn->ofs_in_node); 3279 } 3280 3281 static inline int f2fs_test_bit(unsigned int nr, char *addr) 3282 { 3283 int mask; 3284 3285 addr += (nr >> 3); 3286 mask = BIT(7 - (nr & 0x07)); 3287 return mask & *addr; 3288 } 3289 3290 static inline void f2fs_set_bit(unsigned int nr, char *addr) 3291 { 3292 int mask; 3293 3294 addr += (nr >> 3); 3295 mask = BIT(7 - (nr & 0x07)); 3296 *addr |= mask; 3297 } 3298 3299 static inline void f2fs_clear_bit(unsigned int nr, char *addr) 3300 { 3301 int mask; 3302 3303 addr += (nr >> 3); 3304 mask = BIT(7 - (nr & 0x07)); 3305 *addr &= ~mask; 3306 } 3307 3308 static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) 3309 { 3310 int mask; 3311 int ret; 3312 3313 addr += (nr >> 3); 3314 mask = BIT(7 - (nr & 0x07)); 3315 ret = mask & *addr; 3316 *addr |= mask; 3317 return ret; 3318 } 3319 3320 static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) 3321 { 3322 int mask; 3323 int ret; 3324 3325 addr += (nr >> 3); 3326 mask = BIT(7 - (nr & 0x07)); 3327 ret = mask & *addr; 3328 *addr &= ~mask; 3329 return ret; 3330 } 3331 3332 static inline void f2fs_change_bit(unsigned int nr, char *addr) 3333 { 3334 int mask; 3335 3336 addr += (nr >> 3); 3337 mask = BIT(7 - (nr & 0x07)); 3338 *addr ^= mask; 3339 } 3340 3341 /* 3342 * On-disk inode flags (f2fs_inode::i_flags) 3343 */ 3344 #define F2FS_COMPR_FL 0x00000004 /* Compress file */ 3345 #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */ 3346 #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */ 3347 #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */ 3348 #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */ 3349 #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */ 3350 #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */ 3351 #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */ 3352 #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ 3353 #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ 3354 #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */ 3355 #define F2FS_DEVICE_ALIAS_FL 0x80000000 /* File for aliasing a device */ 3356 3357 #define F2FS_QUOTA_DEFAULT_FL (F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL) 3358 3359 /* Flags that should be inherited by new inodes from their parent. */ 3360 #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \ 3361 F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ 3362 F2FS_CASEFOLD_FL) 3363 3364 /* Flags that are appropriate for regular files (all but dir-specific ones). */ 3365 #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ 3366 F2FS_CASEFOLD_FL)) 3367 3368 /* Flags that are appropriate for non-directories/regular files. */ 3369 #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL) 3370 3371 #define IS_DEVICE_ALIASING(inode) (F2FS_I(inode)->i_flags & F2FS_DEVICE_ALIAS_FL) 3372 3373 static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) 3374 { 3375 if (S_ISDIR(mode)) 3376 return flags; 3377 else if (S_ISREG(mode)) 3378 return flags & F2FS_REG_FLMASK; 3379 else 3380 return flags & F2FS_OTHER_FLMASK; 3381 } 3382 3383 static inline void __mark_inode_dirty_flag(struct inode *inode, 3384 int flag, bool set) 3385 { 3386 switch (flag) { 3387 case FI_INLINE_XATTR: 3388 case FI_INLINE_DATA: 3389 case FI_INLINE_DENTRY: 3390 case FI_NEW_INODE: 3391 if (set) 3392 return; 3393 fallthrough; 3394 case FI_DATA_EXIST: 3395 case FI_PIN_FILE: 3396 case FI_COMPRESS_RELEASED: 3397 f2fs_mark_inode_dirty_sync(inode, true); 3398 } 3399 } 3400 3401 static inline void set_inode_flag(struct inode *inode, int flag) 3402 { 3403 set_bit(flag, F2FS_I(inode)->flags); 3404 __mark_inode_dirty_flag(inode, flag, true); 3405 } 3406 3407 static inline int is_inode_flag_set(struct inode *inode, int flag) 3408 { 3409 return test_bit(flag, F2FS_I(inode)->flags); 3410 } 3411 3412 static inline void clear_inode_flag(struct inode *inode, int flag) 3413 { 3414 clear_bit(flag, F2FS_I(inode)->flags); 3415 __mark_inode_dirty_flag(inode, flag, false); 3416 } 3417 3418 static inline bool f2fs_verity_in_progress(struct inode *inode) 3419 { 3420 return IS_ENABLED(CONFIG_FS_VERITY) && 3421 is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS); 3422 } 3423 3424 static inline void set_acl_inode(struct inode *inode, umode_t mode) 3425 { 3426 F2FS_I(inode)->i_acl_mode = mode; 3427 set_inode_flag(inode, FI_ACL_MODE); 3428 f2fs_mark_inode_dirty_sync(inode, false); 3429 } 3430 3431 static inline void f2fs_i_links_write(struct inode *inode, bool inc) 3432 { 3433 if (inc) 3434 inc_nlink(inode); 3435 else 3436 drop_nlink(inode); 3437 f2fs_mark_inode_dirty_sync(inode, true); 3438 } 3439 3440 static inline void f2fs_i_blocks_write(struct inode *inode, 3441 block_t diff, bool add, bool claim) 3442 { 3443 bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); 3444 bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); 3445 3446 /* add = 1, claim = 1 should be dquot_reserve_block in pair */ 3447 if (add) { 3448 if (claim) 3449 dquot_claim_block(inode, diff); 3450 else 3451 dquot_alloc_block_nofail(inode, diff); 3452 } else { 3453 dquot_free_block(inode, diff); 3454 } 3455 3456 f2fs_mark_inode_dirty_sync(inode, true); 3457 if (clean || recover) 3458 set_inode_flag(inode, FI_AUTO_RECOVER); 3459 } 3460 3461 static inline bool f2fs_is_atomic_file(struct inode *inode); 3462 3463 static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) 3464 { 3465 bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); 3466 bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); 3467 3468 if (i_size_read(inode) == i_size) 3469 return; 3470 3471 i_size_write(inode, i_size); 3472 3473 if (f2fs_is_atomic_file(inode)) 3474 return; 3475 3476 f2fs_mark_inode_dirty_sync(inode, true); 3477 if (clean || recover) 3478 set_inode_flag(inode, FI_AUTO_RECOVER); 3479 } 3480 3481 static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) 3482 { 3483 F2FS_I(inode)->i_current_depth = depth; 3484 f2fs_mark_inode_dirty_sync(inode, true); 3485 } 3486 3487 static inline void f2fs_i_gc_failures_write(struct inode *inode, 3488 unsigned int count) 3489 { 3490 F2FS_I(inode)->i_gc_failures = count; 3491 f2fs_mark_inode_dirty_sync(inode, true); 3492 } 3493 3494 static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) 3495 { 3496 F2FS_I(inode)->i_xattr_nid = xnid; 3497 f2fs_mark_inode_dirty_sync(inode, true); 3498 } 3499 3500 static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) 3501 { 3502 F2FS_I(inode)->i_pino = pino; 3503 f2fs_mark_inode_dirty_sync(inode, true); 3504 } 3505 3506 static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) 3507 { 3508 struct f2fs_inode_info *fi = F2FS_I(inode); 3509 3510 if (ri->i_inline & F2FS_INLINE_XATTR) 3511 set_bit(FI_INLINE_XATTR, fi->flags); 3512 if (ri->i_inline & F2FS_INLINE_DATA) 3513 set_bit(FI_INLINE_DATA, fi->flags); 3514 if (ri->i_inline & F2FS_INLINE_DENTRY) 3515 set_bit(FI_INLINE_DENTRY, fi->flags); 3516 if (ri->i_inline & F2FS_DATA_EXIST) 3517 set_bit(FI_DATA_EXIST, fi->flags); 3518 if (ri->i_inline & F2FS_EXTRA_ATTR) 3519 set_bit(FI_EXTRA_ATTR, fi->flags); 3520 if (ri->i_inline & F2FS_PIN_FILE) 3521 set_bit(FI_PIN_FILE, fi->flags); 3522 if (ri->i_inline & F2FS_COMPRESS_RELEASED) 3523 set_bit(FI_COMPRESS_RELEASED, fi->flags); 3524 } 3525 3526 static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) 3527 { 3528 ri->i_inline = 0; 3529 3530 if (is_inode_flag_set(inode, FI_INLINE_XATTR)) 3531 ri->i_inline |= F2FS_INLINE_XATTR; 3532 if (is_inode_flag_set(inode, FI_INLINE_DATA)) 3533 ri->i_inline |= F2FS_INLINE_DATA; 3534 if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) 3535 ri->i_inline |= F2FS_INLINE_DENTRY; 3536 if (is_inode_flag_set(inode, FI_DATA_EXIST)) 3537 ri->i_inline |= F2FS_DATA_EXIST; 3538 if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) 3539 ri->i_inline |= F2FS_EXTRA_ATTR; 3540 if (is_inode_flag_set(inode, FI_PIN_FILE)) 3541 ri->i_inline |= F2FS_PIN_FILE; 3542 if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) 3543 ri->i_inline |= F2FS_COMPRESS_RELEASED; 3544 } 3545 3546 static inline int f2fs_has_extra_attr(struct inode *inode) 3547 { 3548 return is_inode_flag_set(inode, FI_EXTRA_ATTR); 3549 } 3550 3551 static inline int f2fs_has_inline_xattr(struct inode *inode) 3552 { 3553 return is_inode_flag_set(inode, FI_INLINE_XATTR); 3554 } 3555 3556 static inline int f2fs_compressed_file(struct inode *inode) 3557 { 3558 return S_ISREG(inode->i_mode) && 3559 is_inode_flag_set(inode, FI_COMPRESSED_FILE); 3560 } 3561 3562 static inline bool f2fs_need_compress_data(struct inode *inode) 3563 { 3564 int compress_mode = F2FS_OPTION(F2FS_I_SB(inode)).compress_mode; 3565 3566 if (!f2fs_compressed_file(inode)) 3567 return false; 3568 3569 if (compress_mode == COMPR_MODE_FS) 3570 return true; 3571 else if (compress_mode == COMPR_MODE_USER && 3572 is_inode_flag_set(inode, FI_ENABLE_COMPRESS)) 3573 return true; 3574 3575 return false; 3576 } 3577 3578 static inline unsigned int addrs_per_page(struct inode *inode, 3579 bool is_inode) 3580 { 3581 unsigned int addrs = is_inode ? (CUR_ADDRS_PER_INODE(inode) - 3582 get_inline_xattr_addrs(inode)) : DEF_ADDRS_PER_BLOCK; 3583 3584 if (f2fs_compressed_file(inode)) 3585 return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size); 3586 return addrs; 3587 } 3588 3589 static inline 3590 void *inline_xattr_addr(struct inode *inode, const struct folio *folio) 3591 { 3592 struct f2fs_inode *ri = F2FS_INODE(folio); 3593 3594 return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - 3595 get_inline_xattr_addrs(inode)]); 3596 } 3597 3598 static inline int inline_xattr_size(struct inode *inode) 3599 { 3600 if (f2fs_has_inline_xattr(inode)) 3601 return get_inline_xattr_addrs(inode) * sizeof(__le32); 3602 return 0; 3603 } 3604 3605 /* 3606 * Notice: check inline_data flag without inode page lock is unsafe. 3607 * It could change at any time by f2fs_convert_inline_folio(). 3608 */ 3609 static inline int f2fs_has_inline_data(struct inode *inode) 3610 { 3611 return is_inode_flag_set(inode, FI_INLINE_DATA); 3612 } 3613 3614 static inline int f2fs_exist_data(struct inode *inode) 3615 { 3616 return is_inode_flag_set(inode, FI_DATA_EXIST); 3617 } 3618 3619 static inline int f2fs_is_mmap_file(struct inode *inode) 3620 { 3621 return is_inode_flag_set(inode, FI_MMAP_FILE); 3622 } 3623 3624 static inline bool f2fs_is_pinned_file(struct inode *inode) 3625 { 3626 return is_inode_flag_set(inode, FI_PIN_FILE); 3627 } 3628 3629 static inline bool f2fs_is_atomic_file(struct inode *inode) 3630 { 3631 return is_inode_flag_set(inode, FI_ATOMIC_FILE); 3632 } 3633 3634 static inline bool f2fs_is_cow_file(struct inode *inode) 3635 { 3636 return is_inode_flag_set(inode, FI_COW_FILE); 3637 } 3638 3639 static inline void *inline_data_addr(struct inode *inode, struct folio *folio) 3640 { 3641 __le32 *addr = get_dnode_addr(inode, folio); 3642 3643 return (void *)(addr + DEF_INLINE_RESERVED_SIZE); 3644 } 3645 3646 static inline int f2fs_has_inline_dentry(struct inode *inode) 3647 { 3648 return is_inode_flag_set(inode, FI_INLINE_DENTRY); 3649 } 3650 3651 static inline int is_file(struct inode *inode, int type) 3652 { 3653 return F2FS_I(inode)->i_advise & type; 3654 } 3655 3656 static inline void set_file(struct inode *inode, int type) 3657 { 3658 if (is_file(inode, type)) 3659 return; 3660 F2FS_I(inode)->i_advise |= type; 3661 f2fs_mark_inode_dirty_sync(inode, true); 3662 } 3663 3664 static inline void clear_file(struct inode *inode, int type) 3665 { 3666 if (!is_file(inode, type)) 3667 return; 3668 F2FS_I(inode)->i_advise &= ~type; 3669 f2fs_mark_inode_dirty_sync(inode, true); 3670 } 3671 3672 static inline bool f2fs_is_time_consistent(struct inode *inode) 3673 { 3674 struct timespec64 ts = inode_get_atime(inode); 3675 3676 if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &ts)) 3677 return false; 3678 ts = inode_get_ctime(inode); 3679 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &ts)) 3680 return false; 3681 ts = inode_get_mtime(inode); 3682 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &ts)) 3683 return false; 3684 return true; 3685 } 3686 3687 static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) 3688 { 3689 bool ret; 3690 3691 if (dsync) { 3692 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); 3693 3694 spin_lock(&sbi->inode_lock[DIRTY_META]); 3695 ret = list_empty(&F2FS_I(inode)->gdirty_list); 3696 spin_unlock(&sbi->inode_lock[DIRTY_META]); 3697 return ret; 3698 } 3699 if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || 3700 file_keep_isize(inode) || 3701 i_size_read(inode) & ~PAGE_MASK) 3702 return false; 3703 3704 if (!f2fs_is_time_consistent(inode)) 3705 return false; 3706 3707 spin_lock(&F2FS_I(inode)->i_size_lock); 3708 ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); 3709 spin_unlock(&F2FS_I(inode)->i_size_lock); 3710 3711 return ret; 3712 } 3713 3714 static inline bool f2fs_readonly(struct super_block *sb) 3715 { 3716 return sb_rdonly(sb); 3717 } 3718 3719 static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) 3720 { 3721 return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); 3722 } 3723 3724 static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, 3725 size_t size, gfp_t flags) 3726 { 3727 if (time_to_inject(sbi, FAULT_KMALLOC)) 3728 return NULL; 3729 3730 return kmalloc(size, flags); 3731 } 3732 3733 static inline void *f2fs_getname(struct f2fs_sb_info *sbi) 3734 { 3735 if (time_to_inject(sbi, FAULT_KMALLOC)) 3736 return NULL; 3737 3738 return __getname(); 3739 } 3740 3741 static inline void f2fs_putname(char *buf) 3742 { 3743 __putname(buf); 3744 } 3745 3746 static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi, 3747 size_t size, gfp_t flags) 3748 { 3749 return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO); 3750 } 3751 3752 static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi, 3753 size_t size, gfp_t flags) 3754 { 3755 if (time_to_inject(sbi, FAULT_KVMALLOC)) 3756 return NULL; 3757 3758 return kvmalloc(size, flags); 3759 } 3760 3761 static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi, 3762 size_t size, gfp_t flags) 3763 { 3764 return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO); 3765 } 3766 3767 static inline void *f2fs_vmalloc(struct f2fs_sb_info *sbi, size_t size) 3768 { 3769 if (time_to_inject(sbi, FAULT_VMALLOC)) 3770 return NULL; 3771 3772 return vmalloc(size); 3773 } 3774 3775 static inline int get_extra_isize(struct inode *inode) 3776 { 3777 return F2FS_I(inode)->i_extra_isize / sizeof(__le32); 3778 } 3779 3780 static inline int get_inline_xattr_addrs(struct inode *inode) 3781 { 3782 return F2FS_I(inode)->i_inline_xattr_size; 3783 } 3784 3785 #define f2fs_get_inode_mode(i) \ 3786 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ 3787 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) 3788 3789 #define F2FS_MIN_EXTRA_ATTR_SIZE (sizeof(__le32)) 3790 3791 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ 3792 (offsetof(struct f2fs_inode, i_extra_end) - \ 3793 offsetof(struct f2fs_inode, i_extra_isize)) \ 3794 3795 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) 3796 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ 3797 ((offsetof(typeof(*(f2fs_inode)), field) + \ 3798 sizeof((f2fs_inode)->field)) \ 3799 <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \ 3800 3801 #define __is_large_section(sbi) (SEGS_PER_SEC(sbi) > 1) 3802 3803 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META) 3804 3805 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, 3806 block_t blkaddr, int type); 3807 static inline void verify_blkaddr(struct f2fs_sb_info *sbi, 3808 block_t blkaddr, int type) 3809 { 3810 if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) 3811 f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.", 3812 blkaddr, type); 3813 } 3814 3815 static inline bool __is_valid_data_blkaddr(block_t blkaddr) 3816 { 3817 if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR || 3818 blkaddr == COMPRESS_ADDR) 3819 return false; 3820 return true; 3821 } 3822 3823 /* 3824 * file.c 3825 */ 3826 int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); 3827 int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock); 3828 int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock); 3829 int f2fs_truncate(struct inode *inode); 3830 int f2fs_getattr(const struct mnt_idmap *idmap, const struct path *path, 3831 struct kstat *stat, u32 request_mask, unsigned int flags); 3832 int f2fs_setattr(const struct mnt_idmap *idmap, struct dentry *dentry, 3833 struct iattr *attr); 3834 int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); 3835 void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count); 3836 int f2fs_do_shutdown(struct f2fs_sb_info *sbi, unsigned int flag, 3837 bool readonly, bool need_lock); 3838 int f2fs_precache_extents(struct inode *inode); 3839 int f2fs_fileattr_get(struct dentry *dentry, struct file_kattr *fa); 3840 int f2fs_fileattr_set(const struct mnt_idmap *idmap, 3841 struct dentry *dentry, struct file_kattr *fa); 3842 long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); 3843 long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); 3844 int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid); 3845 int f2fs_pin_file_control(struct inode *inode, bool inc); 3846 3847 /* 3848 * inode.c 3849 */ 3850 void f2fs_set_inode_flags(struct inode *inode); 3851 bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct folio *folio); 3852 void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct folio *folio); 3853 struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); 3854 struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); 3855 int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); 3856 void f2fs_update_inode(struct inode *inode, struct folio *node_folio); 3857 void f2fs_update_inode_page(struct inode *inode); 3858 int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); 3859 void f2fs_remove_donate_inode(struct inode *inode); 3860 void f2fs_evict_inode(struct inode *inode); 3861 void f2fs_handle_failed_inode(struct inode *inode, 3862 struct f2fs_lock_context *lc, bool add_orphan); 3863 int f2fs_init_evict_inode_work(void); 3864 void f2fs_destroy_evict_inode_work(void); 3865 3866 /* 3867 * namei.c 3868 */ 3869 int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name, 3870 bool hot, bool set); 3871 struct dentry *f2fs_get_parent(struct dentry *child); 3872 int f2fs_get_tmpfile(const struct mnt_idmap *idmap, struct inode *dir, 3873 struct inode **new_inode); 3874 3875 /* 3876 * dir.c 3877 */ 3878 #if IS_ENABLED(CONFIG_UNICODE) 3879 int f2fs_init_casefolded_name(const struct inode *dir, 3880 struct f2fs_filename *fname); 3881 void f2fs_free_casefolded_name(struct f2fs_filename *fname); 3882 #else 3883 static inline int f2fs_init_casefolded_name(const struct inode *dir, 3884 struct f2fs_filename *fname) 3885 { 3886 return 0; 3887 } 3888 3889 static inline void f2fs_free_casefolded_name(struct f2fs_filename *fname) 3890 { 3891 } 3892 #endif /* CONFIG_UNICODE */ 3893 3894 int f2fs_setup_filename(struct inode *dir, const struct qstr *iname, 3895 int lookup, struct f2fs_filename *fname); 3896 int f2fs_prepare_lookup(struct inode *dir, struct dentry *dentry, 3897 struct f2fs_filename *fname); 3898 void f2fs_free_filename(struct f2fs_filename *fname); 3899 struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d, 3900 const struct f2fs_filename *fname, int *max_slots, 3901 bool use_hash); 3902 int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, 3903 unsigned int start_pos, struct fscrypt_str *fstr); 3904 void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent, 3905 struct f2fs_dentry_ptr *d); 3906 struct folio *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir, 3907 const struct f2fs_filename *fname, struct folio *dfolio); 3908 void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode, 3909 unsigned int current_depth); 3910 int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots); 3911 void f2fs_drop_nlink(struct inode *dir, struct inode *inode); 3912 struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, 3913 const struct f2fs_filename *fname, struct folio **res_folio); 3914 struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, 3915 const struct qstr *child, struct folio **res_folio); 3916 struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct folio **f); 3917 ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, 3918 struct folio **folio); 3919 void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, 3920 struct folio *folio, struct inode *inode); 3921 bool f2fs_has_enough_room(struct inode *dir, struct folio *ifolio, 3922 const struct f2fs_filename *fname); 3923 void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, 3924 const struct fscrypt_str *name, f2fs_hash_t name_hash, 3925 unsigned int bit_pos); 3926 int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname, 3927 struct inode *inode, nid_t ino, umode_t mode); 3928 int f2fs_add_dentry(struct inode *dir, const struct f2fs_filename *fname, 3929 struct inode *inode, nid_t ino, umode_t mode); 3930 int f2fs_do_add_link(struct inode *dir, const struct qstr *name, 3931 struct inode *inode, nid_t ino, umode_t mode); 3932 void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct folio *folio, 3933 struct inode *dir, struct inode *inode); 3934 int f2fs_do_tmpfile(struct inode *inode, struct inode *dir, 3935 struct f2fs_filename *fname); 3936 bool f2fs_empty_dir(struct inode *dir); 3937 3938 static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) 3939 { 3940 if (fscrypt_is_nokey_name(dentry)) 3941 return -ENOKEY; 3942 return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name, 3943 inode, inode->i_ino, inode->i_mode); 3944 } 3945 3946 /* 3947 * super.c 3948 */ 3949 int f2fs_inode_dirtied(struct inode *inode, bool sync); 3950 void f2fs_inode_synced(struct inode *inode); 3951 int f2fs_dquot_initialize(struct inode *inode); 3952 int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); 3953 int f2fs_do_quota_sync(struct super_block *sb, int type); 3954 loff_t max_file_blocks(struct inode *inode); 3955 void f2fs_quota_off_umount(struct super_block *sb); 3956 void f2fs_save_errors(struct f2fs_sb_info *sbi, unsigned char flag); 3957 void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error); 3958 int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); 3959 int f2fs_sync_fs(struct super_block *sb, int sync); 3960 int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi); 3961 3962 /* 3963 * hash.c 3964 */ 3965 void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname); 3966 3967 /* 3968 * node.c 3969 */ 3970 struct node_info; 3971 enum node_type; 3972 3973 int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid); 3974 bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type); 3975 bool f2fs_in_warm_node_list(struct folio *folio); 3976 void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi); 3977 void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct folio *folio); 3978 void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi); 3979 bool f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); 3980 bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); 3981 bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); 3982 int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid, 3983 struct node_info *ni, bool checkpoint_context); 3984 pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); 3985 int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); 3986 int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from); 3987 int f2fs_truncate_xattr_node(struct inode *inode); 3988 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, 3989 unsigned int seq_id); 3990 int f2fs_remove_inode_page(struct inode *inode); 3991 struct folio *f2fs_new_inode_folio(struct inode *inode); 3992 struct folio *f2fs_new_node_folio(struct dnode_of_data *dn, unsigned int ofs); 3993 void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); 3994 struct folio *f2fs_get_node_folio(struct f2fs_sb_info *sbi, pgoff_t nid, 3995 enum node_type node_type); 3996 int f2fs_sanity_check_node_footer(struct f2fs_sb_info *sbi, 3997 struct folio *folio, pgoff_t nid, 3998 enum node_type ntype, bool in_irq); 3999 struct folio *f2fs_get_inode_folio(struct f2fs_sb_info *sbi, pgoff_t ino); 4000 struct folio *f2fs_get_xnode_folio(struct f2fs_sb_info *sbi, pgoff_t xnid); 4001 int f2fs_write_single_node_folio(struct folio *node_folio, int sync_mode, 4002 bool mark_dirty, enum iostat_type io_type); 4003 int f2fs_move_node_folio(struct folio *node_folio, int gc_type); 4004 void f2fs_flush_inline_data(struct f2fs_sb_info *sbi); 4005 int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, 4006 struct writeback_control *wbc, bool atomic, 4007 unsigned int *seq_id); 4008 int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, 4009 struct writeback_control *wbc, 4010 bool do_balance, enum iostat_type io_type); 4011 int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); 4012 bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); 4013 void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); 4014 void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); 4015 int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); 4016 int f2fs_recover_inline_xattr(struct inode *inode, struct folio *folio); 4017 int f2fs_recover_xattr_data(struct inode *inode, struct folio *folio); 4018 int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct folio *folio); 4019 int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, 4020 unsigned int segno, struct f2fs_summary_block *sum); 4021 int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); 4022 int f2fs_build_node_manager(struct f2fs_sb_info *sbi); 4023 void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi); 4024 int __init f2fs_create_node_manager_caches(void); 4025 void f2fs_destroy_node_manager_caches(void); 4026 4027 /* 4028 * segment.c 4029 */ 4030 bool f2fs_need_SSR(struct f2fs_sb_info *sbi); 4031 int f2fs_commit_atomic_write(struct inode *inode); 4032 void f2fs_abort_atomic_write(struct inode *inode, bool clean); 4033 void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); 4034 void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg); 4035 int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); 4036 int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi); 4037 int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); 4038 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); 4039 void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr, 4040 unsigned int len); 4041 void f2fs_reserve_device_alias(struct f2fs_sb_info *sbi, block_t addr, 4042 unsigned int len); 4043 bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); 4044 int f2fs_start_discard_thread(struct f2fs_sb_info *sbi); 4045 void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi); 4046 void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi); 4047 bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi, bool need_check); 4048 void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi, 4049 struct cp_control *cpc); 4050 void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi); 4051 block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi); 4052 int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable); 4053 void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi); 4054 int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); 4055 bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno); 4056 int f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi); 4057 int f2fs_reinit_atgc_curseg(struct f2fs_sb_info *sbi); 4058 void f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi); 4059 void f2fs_restore_inmem_curseg(struct f2fs_sb_info *sbi); 4060 int f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type, 4061 unsigned int start, unsigned int end); 4062 int f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force); 4063 int f2fs_allocate_pinning_section(struct f2fs_sb_info *sbi); 4064 int f2fs_allocate_new_segments(struct f2fs_sb_info *sbi); 4065 int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); 4066 bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi, 4067 struct cp_control *cpc); 4068 struct folio *f2fs_get_sum_folio(struct f2fs_sb_info *sbi, unsigned int segno); 4069 void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src, 4070 block_t blk_addr); 4071 void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct folio *folio, 4072 enum iostat_type io_type); 4073 void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio); 4074 void f2fs_outplace_write_data(struct dnode_of_data *dn, 4075 struct f2fs_io_info *fio); 4076 int f2fs_inplace_write_data(struct f2fs_io_info *fio); 4077 void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, 4078 block_t old_blkaddr, block_t new_blkaddr, 4079 bool recover_curseg, bool recover_newaddr, 4080 bool from_gc); 4081 void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, 4082 block_t old_addr, block_t new_addr, 4083 unsigned char version, bool recover_curseg, 4084 bool recover_newaddr); 4085 enum temp_type f2fs_get_segment_temp(struct f2fs_sb_info *sbi, 4086 enum log_type seg_type); 4087 int f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct folio *folio, 4088 block_t old_blkaddr, block_t *new_blkaddr, 4089 struct f2fs_summary *sum, int type, 4090 struct f2fs_io_info *fio); 4091 void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino, 4092 block_t blkaddr, unsigned int blkcnt); 4093 void f2fs_folio_wait_writeback(struct folio *folio, enum page_type type, 4094 bool ordered, bool locked); 4095 #define f2fs_wait_on_page_writeback(page, type, ordered, locked) \ 4096 f2fs_folio_wait_writeback(page_folio(page), type, ordered, locked) 4097 void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr); 4098 void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr, 4099 block_t len); 4100 void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); 4101 void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); 4102 int f2fs_lookup_journal_in_cursum(struct f2fs_sb_info *sbi, 4103 struct f2fs_journal *journal, int type, 4104 unsigned int val, int alloc); 4105 void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); 4106 int f2fs_check_and_fix_write_pointer(struct f2fs_sb_info *sbi); 4107 int f2fs_build_segment_manager(struct f2fs_sb_info *sbi); 4108 void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi); 4109 int __init f2fs_create_segment_manager_caches(void); 4110 void f2fs_destroy_segment_manager_caches(void); 4111 int f2fs_rw_hint_to_seg_type(struct f2fs_sb_info *sbi, enum rw_hint hint); 4112 enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi, 4113 enum page_type type, enum temp_type temp); 4114 u8 f2fs_io_type_to_write_stream(struct block_device *bdev, 4115 enum page_type type, enum temp_type temp); 4116 unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi); 4117 unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi, 4118 unsigned int segno); 4119 unsigned long long f2fs_get_section_mtime(struct f2fs_sb_info *sbi, 4120 unsigned int segno); 4121 4122 static inline struct inode *fio_inode(struct f2fs_io_info *fio) 4123 { 4124 return fio->folio->mapping->host; 4125 } 4126 4127 #define DEF_FRAGMENT_SIZE 4 4128 #define MIN_FRAGMENT_SIZE 1 4129 #define MAX_FRAGMENT_SIZE 512 4130 4131 static inline bool f2fs_need_rand_blk(struct f2fs_sb_info *sbi, 4132 enum log_type type) 4133 { 4134 if (type == CURSEG_COLD_DATA_PINNED) 4135 return false; 4136 return F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK; 4137 } 4138 4139 static inline bool f2fs_need_rand_seg(struct f2fs_sb_info *sbi, 4140 enum log_type type) 4141 { 4142 if (type == CURSEG_COLD_DATA_PINNED) 4143 return false; 4144 return F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_SEG; 4145 } 4146 4147 static inline bool f2fs_need_rand_seg_blk(struct f2fs_sb_info *sbi, 4148 enum log_type type) 4149 { 4150 return f2fs_need_rand_blk(sbi, type) || f2fs_need_rand_seg(sbi, type); 4151 } 4152 4153 /* 4154 * checkpoint.c 4155 */ 4156 void f2fs_lock_op(struct f2fs_sb_info *sbi, struct f2fs_lock_context *lc); 4157 int f2fs_trylock_op(struct f2fs_sb_info *sbi, struct f2fs_lock_context *lc); 4158 void f2fs_unlock_op(struct f2fs_sb_info *sbi, struct f2fs_lock_context *lc); 4159 void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io, 4160 unsigned char reason); 4161 void f2fs_flush_ckpt_thread(struct f2fs_sb_info *sbi); 4162 struct folio *f2fs_grab_meta_folio(struct f2fs_sb_info *sbi, pgoff_t index); 4163 struct folio *f2fs_get_meta_folio(struct f2fs_sb_info *sbi, pgoff_t index); 4164 struct folio *f2fs_get_meta_folio_retry(struct f2fs_sb_info *sbi, pgoff_t index); 4165 struct folio *f2fs_get_tmp_folio(struct f2fs_sb_info *sbi, pgoff_t index); 4166 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, 4167 block_t blkaddr, int type); 4168 bool f2fs_is_valid_blkaddr_raw(struct f2fs_sb_info *sbi, 4169 block_t blkaddr, int type); 4170 int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, 4171 int type, bool sync); 4172 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index, 4173 unsigned int ra_blocks); 4174 long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, long nr_to_write, 4175 enum iostat_type io_type); 4176 void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); 4177 void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); 4178 void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all); 4179 bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); 4180 void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, 4181 unsigned int devidx, int type); 4182 bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, 4183 unsigned int devidx, int type); 4184 int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi); 4185 void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi); 4186 void f2fs_add_orphan_inode(struct inode *inode); 4187 void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); 4188 int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi); 4189 int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi); 4190 void f2fs_update_dirty_folio(struct inode *inode, struct folio *folio); 4191 void f2fs_remove_dirty_inode(struct inode *inode); 4192 int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type, 4193 bool from_cp); 4194 void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type); 4195 u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi); 4196 int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); 4197 void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi); 4198 int __init f2fs_create_checkpoint_caches(void); 4199 void f2fs_destroy_checkpoint_caches(void); 4200 int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi); 4201 int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi); 4202 void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi); 4203 void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi); 4204 4205 /* 4206 * data.c 4207 */ 4208 int __init f2fs_init_bioset(void); 4209 void f2fs_destroy_bioset(void); 4210 bool f2fs_is_cp_guaranteed(const struct folio *folio); 4211 int f2fs_init_bio_entry_cache(void); 4212 void f2fs_destroy_bio_entry_cache(void); 4213 void f2fs_submit_read_bio(struct f2fs_sb_info *sbi, struct bio *bio, 4214 enum page_type type); 4215 int f2fs_init_write_merge_io(struct f2fs_sb_info *sbi); 4216 void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); 4217 void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, 4218 struct inode *inode, struct folio *folio, 4219 nid_t ino, enum page_type type); 4220 void f2fs_submit_merged_write_folio(struct f2fs_sb_info *sbi, 4221 struct folio *folio, enum page_type type); 4222 void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi, 4223 struct bio **bio, struct folio *folio); 4224 void f2fs_submit_all_merged_ipu_writes(struct f2fs_sb_info *sbi); 4225 void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); 4226 int f2fs_submit_page_bio(struct f2fs_io_info *fio); 4227 int f2fs_merge_page_bio(struct f2fs_io_info *fio); 4228 void f2fs_submit_page_write(struct f2fs_io_info *fio); 4229 struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, 4230 block_t blk_addr, sector_t *sector); 4231 int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); 4232 void f2fs_set_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); 4233 void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); 4234 int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); 4235 int f2fs_reserve_new_block(struct dnode_of_data *dn); 4236 int f2fs_get_block_locked(struct dnode_of_data *dn, pgoff_t index); 4237 int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); 4238 struct folio *f2fs_get_read_data_folio(struct inode *inode, pgoff_t index, 4239 blk_opf_t op_flags, bool for_write, pgoff_t *next_pgofs); 4240 struct folio *f2fs_find_data_folio(struct inode *inode, pgoff_t index, 4241 pgoff_t *next_pgofs); 4242 struct folio *f2fs_get_lock_data_folio(struct inode *inode, pgoff_t index, 4243 bool for_write); 4244 struct folio *f2fs_get_new_data_folio(struct inode *inode, 4245 struct folio *ifolio, pgoff_t index, bool new_i_size); 4246 int f2fs_do_write_data_page(struct f2fs_io_info *fio); 4247 int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, int flag); 4248 int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, 4249 u64 start, u64 len); 4250 bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio); 4251 bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio); 4252 int f2fs_write_single_data_page(struct folio *folio, int *submitted, 4253 struct bio **bio, sector_t *last_block, 4254 struct writeback_control *wbc, 4255 enum iostat_type io_type, 4256 int compr_blocks, bool allow_balance); 4257 void f2fs_write_failed(struct inode *inode, loff_t to); 4258 void f2fs_invalidate_folio(struct folio *folio, size_t offset, size_t length); 4259 bool f2fs_release_folio(struct folio *folio, gfp_t wait); 4260 bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len); 4261 void f2fs_clear_page_cache_dirty_tag(struct folio *folio); 4262 int f2fs_init_post_read_processing(void); 4263 void f2fs_destroy_post_read_processing(void); 4264 int f2fs_init_wq(struct f2fs_sb_info *sbi); 4265 void f2fs_destroy_wq(struct f2fs_sb_info *sbi); 4266 extern const struct iomap_ops f2fs_iomap_ops; 4267 4268 /* 4269 * gc.c 4270 */ 4271 int f2fs_start_gc_thread(struct f2fs_sb_info *sbi); 4272 void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi); 4273 block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode); 4274 int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control); 4275 void f2fs_build_gc_manager(struct f2fs_sb_info *sbi); 4276 int f2fs_gc_range(struct f2fs_sb_info *sbi, 4277 unsigned int start_seg, unsigned int end_seg, 4278 bool dry_run, unsigned int dry_run_sections, bool lock); 4279 void f2fs_reset_gc_victim_resource(struct f2fs_sb_info *sbi, 4280 unsigned int start, unsigned int end); 4281 int f2fs_resize_fs(struct file *filp, __u64 block_count); 4282 int __init f2fs_create_garbage_collection_cache(void); 4283 void f2fs_destroy_garbage_collection_cache(void); 4284 /* victim selection function for cleaning and SSR */ 4285 int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result, 4286 int gc_type, int type, char alloc_mode, 4287 unsigned long long age, bool one_time); 4288 4289 /* 4290 * recovery.c 4291 */ 4292 int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); 4293 bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi); 4294 int __init f2fs_create_recovery_cache(void); 4295 void f2fs_destroy_recovery_cache(void); 4296 4297 /* 4298 * debug.c 4299 */ 4300 #ifdef CONFIG_F2FS_STAT_FS 4301 enum { 4302 DEVSTAT_INUSE, 4303 DEVSTAT_DIRTY, 4304 DEVSTAT_FULL, 4305 DEVSTAT_FREE, 4306 DEVSTAT_PREFREE, 4307 DEVSTAT_MAX, 4308 }; 4309 4310 struct f2fs_dev_stats { 4311 unsigned int devstats[2][DEVSTAT_MAX]; /* 0: segs, 1: secs */ 4312 }; 4313 4314 struct f2fs_stat_info { 4315 struct list_head stat_list; 4316 struct f2fs_sb_info *sbi; 4317 int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; 4318 int main_area_segs, main_area_sections, main_area_zones; 4319 unsigned long long hit_cached[NR_EXTENT_CACHES]; 4320 unsigned long long hit_rbtree[NR_EXTENT_CACHES]; 4321 unsigned long long total_ext[NR_EXTENT_CACHES]; 4322 unsigned long long hit_total[NR_EXTENT_CACHES]; 4323 int ext_tree[NR_EXTENT_CACHES]; 4324 int zombie_tree[NR_EXTENT_CACHES]; 4325 int ext_node[NR_EXTENT_CACHES]; 4326 /* to count memory footprint */ 4327 unsigned long long ext_mem[NR_EXTENT_CACHES]; 4328 /* for read extent cache */ 4329 unsigned long long hit_largest; 4330 /* for block age extent cache */ 4331 unsigned long long allocated_data_blocks; 4332 int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; 4333 int ndirty_data, ndirty_qdata; 4334 unsigned int ndirty_dirs, ndirty_files, ndirty_all; 4335 unsigned int nquota_files, ndonate_files; 4336 int nats, dirty_nats, sits, dirty_sits; 4337 int free_nids, avail_nids, alloc_nids; 4338 int total_count, utilization; 4339 int nr_wb_cp_data, nr_wb_data; 4340 int nr_rd_data, nr_rd_node, nr_rd_meta; 4341 int nr_dio_read, nr_dio_write; 4342 unsigned int io_skip_bggc, other_skip_bggc; 4343 int nr_flushing, nr_flushed, flush_list_empty; 4344 int nr_discarding, nr_discarded; 4345 int nr_discard_cmd; 4346 unsigned int undiscard_blks; 4347 int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt; 4348 unsigned int cur_ckpt_time, peak_ckpt_time; 4349 int inline_xattr, inline_inode, inline_dir, append, update, orphans; 4350 int compr_inode, swapfile_inode; 4351 unsigned long long compr_blocks; 4352 int aw_cnt, max_aw_cnt; 4353 unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; 4354 unsigned int bimodal, avg_vblocks; 4355 int util_free, util_valid, util_invalid; 4356 int rsvd_segs, overp_segs; 4357 int dirty_count, node_pages, meta_pages, compress_pages; 4358 int compress_page_hit; 4359 int prefree_count, free_segs, free_secs; 4360 int cp_call_count[MAX_CALL_TYPE], cp_count; 4361 int gc_call_count[MAX_CALL_TYPE]; 4362 int gc_segs[2][2]; 4363 int gc_secs[2][2]; 4364 int tot_blks, data_blks, node_blks; 4365 int bg_data_blks, bg_node_blks; 4366 unsigned int defrag_blks; 4367 int blkoff[NR_CURSEG_TYPE]; 4368 int curseg[NR_CURSEG_TYPE]; 4369 int cursec[NR_CURSEG_TYPE]; 4370 int curzone[NR_CURSEG_TYPE]; 4371 unsigned int dirty_seg[NR_CURSEG_TYPE]; 4372 unsigned int full_seg[NR_CURSEG_TYPE]; 4373 unsigned int valid_blks[NR_CURSEG_TYPE]; 4374 4375 unsigned int meta_count[META_MAX]; 4376 unsigned int segment_count[2]; 4377 unsigned int block_count[2]; 4378 unsigned int inplace_count; 4379 unsigned long long base_mem, cache_mem, page_mem; 4380 struct f2fs_dev_stats *dev_stats; 4381 }; 4382 4383 static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) 4384 { 4385 return (struct f2fs_stat_info *)sbi->stat_info; 4386 } 4387 4388 #define stat_inc_cp_call_count(sbi, foreground) \ 4389 atomic_inc(&sbi->cp_call_count[(foreground)]) 4390 #define stat_inc_cp_count(sbi) (F2FS_STAT(sbi)->cp_count++) 4391 #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++) 4392 #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++) 4393 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) 4394 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) 4395 #define stat_inc_total_hit(sbi, type) (atomic64_inc(&(sbi)->total_hit_ext[type])) 4396 #define stat_inc_rbtree_node_hit(sbi, type) (atomic64_inc(&(sbi)->read_hit_rbtree[type])) 4397 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) 4398 #define stat_inc_cached_node_hit(sbi, type) (atomic64_inc(&(sbi)->read_hit_cached[type])) 4399 #define stat_inc_inline_xattr(inode) \ 4400 do { \ 4401 if (f2fs_has_inline_xattr(inode)) \ 4402 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ 4403 } while (0) 4404 #define stat_dec_inline_xattr(inode) \ 4405 do { \ 4406 if (f2fs_has_inline_xattr(inode)) \ 4407 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ 4408 } while (0) 4409 #define stat_inc_inline_inode(inode) \ 4410 do { \ 4411 if (f2fs_has_inline_data(inode)) \ 4412 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ 4413 } while (0) 4414 #define stat_dec_inline_inode(inode) \ 4415 do { \ 4416 if (f2fs_has_inline_data(inode)) \ 4417 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ 4418 } while (0) 4419 #define stat_inc_inline_dir(inode) \ 4420 do { \ 4421 if (f2fs_has_inline_dentry(inode)) \ 4422 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ 4423 } while (0) 4424 #define stat_dec_inline_dir(inode) \ 4425 do { \ 4426 if (f2fs_has_inline_dentry(inode)) \ 4427 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ 4428 } while (0) 4429 #define stat_inc_compr_inode(inode) \ 4430 do { \ 4431 if (f2fs_compressed_file(inode)) \ 4432 (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \ 4433 } while (0) 4434 #define stat_dec_compr_inode(inode) \ 4435 do { \ 4436 if (f2fs_compressed_file(inode)) \ 4437 (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \ 4438 } while (0) 4439 #define stat_add_compr_blocks(inode, blocks) \ 4440 (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks)) 4441 #define stat_sub_compr_blocks(inode, blocks) \ 4442 (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks)) 4443 #define stat_inc_swapfile_inode(inode) \ 4444 (atomic_inc(&F2FS_I_SB(inode)->swapfile_inode)) 4445 #define stat_dec_swapfile_inode(inode) \ 4446 (atomic_dec(&F2FS_I_SB(inode)->swapfile_inode)) 4447 #define stat_inc_atomic_inode(inode) \ 4448 (atomic_inc(&F2FS_I_SB(inode)->atomic_files)) 4449 #define stat_dec_atomic_inode(inode) \ 4450 (atomic_dec(&F2FS_I_SB(inode)->atomic_files)) 4451 #define stat_inc_meta_count(sbi, blkaddr) \ 4452 do { \ 4453 if (blkaddr < SIT_I(sbi)->sit_base_addr) \ 4454 atomic_inc(&(sbi)->meta_count[META_CP]); \ 4455 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \ 4456 atomic_inc(&(sbi)->meta_count[META_SIT]); \ 4457 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \ 4458 atomic_inc(&(sbi)->meta_count[META_NAT]); \ 4459 else if (blkaddr < SM_I(sbi)->main_blkaddr) \ 4460 atomic_inc(&(sbi)->meta_count[META_SSA]); \ 4461 } while (0) 4462 #define stat_inc_seg_type(sbi, curseg) \ 4463 ((sbi)->segment_count[(curseg)->alloc_type]++) 4464 #define stat_inc_block_count(sbi, curseg) \ 4465 ((sbi)->block_count[(curseg)->alloc_type]++) 4466 #define stat_inc_inplace_blocks(sbi) \ 4467 (atomic_inc(&(sbi)->inplace_count)) 4468 #define stat_update_max_atomic_write(inode) \ 4469 do { \ 4470 int cur = atomic_read(&F2FS_I_SB(inode)->atomic_files); \ 4471 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ 4472 if (cur > max) \ 4473 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ 4474 } while (0) 4475 #define stat_inc_gc_call_count(sbi, foreground) \ 4476 (F2FS_STAT(sbi)->gc_call_count[(foreground)]++) 4477 #define stat_inc_gc_sec_count(sbi, type, gc_type) \ 4478 (F2FS_STAT(sbi)->gc_secs[(type)][(gc_type)]++) 4479 #define stat_inc_gc_seg_count(sbi, type, gc_type) \ 4480 (F2FS_STAT(sbi)->gc_segs[(type)][(gc_type)]++) 4481 4482 #define stat_inc_tot_blk_count(si, blks) \ 4483 ((si)->tot_blks += (blks)) 4484 4485 #define stat_inc_data_blk_count(sbi, blks, gc_type) \ 4486 do { \ 4487 struct f2fs_stat_info *si = F2FS_STAT(sbi); \ 4488 stat_inc_tot_blk_count(si, blks); \ 4489 si->data_blks += (blks); \ 4490 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ 4491 } while (0) 4492 4493 #define stat_inc_node_blk_count(sbi, blks, gc_type) \ 4494 do { \ 4495 struct f2fs_stat_info *si = F2FS_STAT(sbi); \ 4496 stat_inc_tot_blk_count(si, blks); \ 4497 si->node_blks += (blks); \ 4498 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ 4499 } while (0) 4500 4501 #define stat_inc_defrag_blk_count(sbi, blks) \ 4502 (F2FS_STAT(sbi)->defrag_blks += (blks)) 4503 4504 int f2fs_build_stats(struct f2fs_sb_info *sbi); 4505 void f2fs_destroy_stats(struct f2fs_sb_info *sbi); 4506 void __init f2fs_create_root_stats(void); 4507 void f2fs_destroy_root_stats(void); 4508 void f2fs_update_sit_info(struct f2fs_sb_info *sbi); 4509 #else 4510 #define stat_inc_cp_call_count(sbi, foreground) do { } while (0) 4511 #define stat_inc_cp_count(sbi) do { } while (0) 4512 #define stat_io_skip_bggc_count(sbi) do { } while (0) 4513 #define stat_other_skip_bggc_count(sbi) do { } while (0) 4514 #define stat_inc_dirty_inode(sbi, type) do { } while (0) 4515 #define stat_dec_dirty_inode(sbi, type) do { } while (0) 4516 #define stat_inc_total_hit(sbi, type) do { } while (0) 4517 #define stat_inc_rbtree_node_hit(sbi, type) do { } while (0) 4518 #define stat_inc_largest_node_hit(sbi) do { } while (0) 4519 #define stat_inc_cached_node_hit(sbi, type) do { } while (0) 4520 #define stat_inc_inline_xattr(inode) do { } while (0) 4521 #define stat_dec_inline_xattr(inode) do { } while (0) 4522 #define stat_inc_inline_inode(inode) do { } while (0) 4523 #define stat_dec_inline_inode(inode) do { } while (0) 4524 #define stat_inc_inline_dir(inode) do { } while (0) 4525 #define stat_dec_inline_dir(inode) do { } while (0) 4526 #define stat_inc_compr_inode(inode) do { } while (0) 4527 #define stat_dec_compr_inode(inode) do { } while (0) 4528 #define stat_add_compr_blocks(inode, blocks) do { } while (0) 4529 #define stat_sub_compr_blocks(inode, blocks) do { } while (0) 4530 #define stat_inc_swapfile_inode(inode) do { } while (0) 4531 #define stat_dec_swapfile_inode(inode) do { } while (0) 4532 #define stat_inc_atomic_inode(inode) do { } while (0) 4533 #define stat_dec_atomic_inode(inode) do { } while (0) 4534 #define stat_update_max_atomic_write(inode) do { } while (0) 4535 #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) 4536 #define stat_inc_seg_type(sbi, curseg) do { } while (0) 4537 #define stat_inc_block_count(sbi, curseg) do { } while (0) 4538 #define stat_inc_inplace_blocks(sbi) do { } while (0) 4539 #define stat_inc_gc_call_count(sbi, foreground) do { } while (0) 4540 #define stat_inc_gc_sec_count(sbi, type, gc_type) do { } while (0) 4541 #define stat_inc_gc_seg_count(sbi, type, gc_type) do { } while (0) 4542 #define stat_inc_tot_blk_count(si, blks) do { } while (0) 4543 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) 4544 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) 4545 #define stat_inc_defrag_blk_count(sbi, blks) do { } while (0) 4546 4547 static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } 4548 static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } 4549 static inline void __init f2fs_create_root_stats(void) { } 4550 static inline void f2fs_destroy_root_stats(void) { } 4551 static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {} 4552 #endif 4553 4554 extern const struct file_operations f2fs_dir_operations; 4555 extern const struct file_operations f2fs_file_operations; 4556 extern const struct inode_operations f2fs_file_inode_operations; 4557 extern const struct address_space_operations f2fs_dblock_aops; 4558 extern const struct address_space_operations f2fs_node_aops; 4559 extern const struct address_space_operations f2fs_meta_aops; 4560 extern const struct inode_operations f2fs_dir_inode_operations; 4561 extern const struct inode_operations f2fs_symlink_inode_operations; 4562 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; 4563 extern const struct inode_operations f2fs_special_inode_operations; 4564 extern struct kmem_cache *f2fs_inode_entry_slab; 4565 4566 /* 4567 * inline.c 4568 */ 4569 bool f2fs_may_inline_data(struct inode *inode); 4570 bool f2fs_sanity_check_inline_data(struct inode *inode, struct folio *ifolio); 4571 bool f2fs_may_inline_dentry(struct inode *inode); 4572 void f2fs_do_read_inline_data(struct folio *folio, struct folio *ifolio); 4573 void f2fs_truncate_inline_inode(struct inode *inode, struct folio *ifolio, 4574 u64 from); 4575 int f2fs_read_inline_data(struct inode *inode, struct folio *folio); 4576 int f2fs_convert_inline_folio(struct dnode_of_data *dn, struct folio *folio); 4577 int f2fs_convert_inline_inode(struct inode *inode); 4578 int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry); 4579 int f2fs_write_inline_data(struct inode *inode, struct folio *folio); 4580 int f2fs_recover_inline_data(struct inode *inode, struct folio *nfolio); 4581 struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, 4582 const struct f2fs_filename *fname, struct folio **res_folio, 4583 bool use_hash); 4584 int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent, 4585 struct folio *ifolio); 4586 int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname, 4587 struct inode *inode, nid_t ino, umode_t mode); 4588 void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, 4589 struct folio *folio, struct inode *dir, struct inode *inode); 4590 bool f2fs_empty_inline_dir(struct inode *dir); 4591 int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, 4592 struct fscrypt_str *fstr); 4593 int f2fs_inline_data_fiemap(struct inode *inode, 4594 struct fiemap_extent_info *fieinfo, 4595 __u64 start, __u64 len); 4596 4597 /* 4598 * shrinker.c 4599 */ 4600 unsigned long f2fs_shrink_count(struct shrinker *shrink, 4601 struct shrink_control *sc); 4602 unsigned long f2fs_shrink_scan(struct shrinker *shrink, 4603 struct shrink_control *sc); 4604 unsigned int f2fs_donate_files(void); 4605 void f2fs_reclaim_caches(unsigned int reclaim_caches_kb); 4606 void f2fs_join_shrinker(struct f2fs_sb_info *sbi); 4607 void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); 4608 4609 /* 4610 * extent_cache.c 4611 */ 4612 bool sanity_check_extent_cache(struct inode *inode, struct folio *ifolio); 4613 void f2fs_init_extent_tree(struct inode *inode); 4614 void f2fs_drop_extent_tree(struct inode *inode); 4615 void f2fs_destroy_extent_node(struct inode *inode); 4616 void f2fs_destroy_extent_tree(struct inode *inode); 4617 void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi); 4618 int __init f2fs_create_extent_cache(void); 4619 void f2fs_destroy_extent_cache(void); 4620 4621 /* read extent cache ops */ 4622 void f2fs_init_read_extent_tree(struct inode *inode, struct folio *ifolio); 4623 bool f2fs_lookup_read_extent_cache(struct inode *inode, pgoff_t pgofs, 4624 struct extent_info *ei); 4625 bool f2fs_lookup_read_extent_cache_block(struct inode *inode, pgoff_t index, 4626 block_t *blkaddr); 4627 void f2fs_update_read_extent_cache(struct dnode_of_data *dn); 4628 void f2fs_update_read_extent_cache_range(struct dnode_of_data *dn, 4629 pgoff_t fofs, block_t blkaddr, unsigned int len); 4630 unsigned int f2fs_shrink_read_extent_tree(struct f2fs_sb_info *sbi, 4631 int nr_shrink); 4632 4633 /* block age extent cache ops */ 4634 void f2fs_init_age_extent_tree(struct inode *inode); 4635 bool f2fs_lookup_age_extent_cache(struct inode *inode, pgoff_t pgofs, 4636 struct extent_info *ei); 4637 void f2fs_update_age_extent_cache(struct dnode_of_data *dn); 4638 void f2fs_update_age_extent_cache_range(struct dnode_of_data *dn, 4639 pgoff_t fofs, unsigned int len); 4640 unsigned int f2fs_shrink_age_extent_tree(struct f2fs_sb_info *sbi, 4641 int nr_shrink); 4642 4643 /* 4644 * sysfs.c 4645 */ 4646 #define MIN_RA_MUL 2 4647 #define MAX_RA_MUL 256 4648 4649 int __init f2fs_init_sysfs(void); 4650 void f2fs_exit_sysfs(void); 4651 int f2fs_register_sysfs(struct f2fs_sb_info *sbi); 4652 void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); 4653 4654 /* verity.c */ 4655 extern const struct fsverity_operations f2fs_verityops; 4656 4657 /* 4658 * crypto support 4659 */ 4660 static inline bool f2fs_encrypted_file(struct inode *inode) 4661 { 4662 return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode); 4663 } 4664 4665 static inline void f2fs_set_encrypted_inode(struct inode *inode) 4666 { 4667 #ifdef CONFIG_FS_ENCRYPTION 4668 file_set_encrypt(inode); 4669 f2fs_set_inode_flags(inode); 4670 #endif 4671 } 4672 4673 /* 4674 * Returns true if the reads of the inode's data need to undergo some 4675 * postprocessing step, like decryption or authenticity verification. 4676 */ 4677 static inline bool f2fs_post_read_required(struct inode *inode) 4678 { 4679 return f2fs_encrypted_file(inode) || fsverity_active(inode) || 4680 f2fs_compressed_file(inode); 4681 } 4682 4683 static inline bool f2fs_used_in_atomic_write(struct inode *inode) 4684 { 4685 return f2fs_is_atomic_file(inode) || f2fs_is_cow_file(inode); 4686 } 4687 4688 static inline bool f2fs_meta_inode_gc_required(struct inode *inode) 4689 { 4690 return f2fs_post_read_required(inode) || f2fs_used_in_atomic_write(inode); 4691 } 4692 4693 /* 4694 * compress.c 4695 */ 4696 #ifdef CONFIG_F2FS_FS_COMPRESSION 4697 enum cluster_check_type { 4698 CLUSTER_IS_COMPR, /* check only if compressed cluster */ 4699 CLUSTER_COMPR_BLKS, /* return # of compressed blocks in a cluster */ 4700 CLUSTER_RAW_BLKS /* return # of raw blocks in a cluster */ 4701 }; 4702 bool f2fs_is_compressed_page(struct folio *folio); 4703 struct folio *f2fs_compress_control_folio(struct folio *folio); 4704 int f2fs_prepare_compress_overwrite(struct inode *inode, 4705 struct page **pagep, pgoff_t index, void **fsdata); 4706 bool f2fs_compress_write_end(struct inode *inode, void *fsdata, 4707 pgoff_t index, unsigned copied); 4708 int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock); 4709 void f2fs_compress_write_end_io(struct bio *bio, struct folio *folio); 4710 bool f2fs_is_compress_backend_ready(struct inode *inode); 4711 bool f2fs_is_compress_level_valid(int alg, int lvl); 4712 int __init f2fs_init_compress_mempool(void); 4713 void f2fs_destroy_compress_mempool(void); 4714 void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task); 4715 void f2fs_end_read_compressed_page(struct folio *folio, bool failed, 4716 block_t blkaddr, bool in_task); 4717 bool f2fs_cluster_is_empty(struct compress_ctx *cc); 4718 bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index); 4719 bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages, 4720 int index, int nr_pages, bool uptodate); 4721 bool f2fs_sanity_check_cluster(struct dnode_of_data *dn); 4722 void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio); 4723 int f2fs_write_multi_pages(struct compress_ctx *cc, 4724 int *submitted, 4725 struct writeback_control *wbc, 4726 enum iostat_type io_type); 4727 int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index); 4728 bool f2fs_is_sparse_cluster(struct inode *inode, pgoff_t index); 4729 void f2fs_update_read_extent_tree_range_compressed(struct inode *inode, 4730 pgoff_t fofs, block_t blkaddr, 4731 unsigned int llen, unsigned int c_len); 4732 int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, 4733 unsigned nr_pages, sector_t *last_block_in_bio, 4734 struct readahead_control *rac, bool for_write); 4735 struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc); 4736 void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed, 4737 bool in_task); 4738 void f2fs_put_folio_dic(struct folio *folio, bool in_task); 4739 unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn, 4740 unsigned int ofs_in_node); 4741 int f2fs_init_compress_ctx(struct compress_ctx *cc); 4742 void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse); 4743 void f2fs_init_compress_info(struct f2fs_sb_info *sbi); 4744 int f2fs_init_compress_inode(struct f2fs_sb_info *sbi); 4745 void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi); 4746 int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi); 4747 void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi); 4748 int __init f2fs_init_compress_cache(void); 4749 void f2fs_destroy_compress_cache(void); 4750 struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi); 4751 void f2fs_invalidate_compress_pages_range(struct f2fs_sb_info *sbi, 4752 block_t blkaddr, unsigned int len); 4753 bool f2fs_load_compressed_folio(struct f2fs_sb_info *sbi, struct folio *folio, 4754 block_t blkaddr); 4755 void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino); 4756 #define inc_compr_inode_stat(inode) \ 4757 do { \ 4758 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \ 4759 sbi->compr_new_inode++; \ 4760 } while (0) 4761 #define add_compr_block_stat(inode, blocks) \ 4762 do { \ 4763 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \ 4764 int diff = F2FS_I(inode)->i_cluster_size - blocks; \ 4765 sbi->compr_written_block += blocks; \ 4766 sbi->compr_saved_block += diff; \ 4767 } while (0) 4768 #else 4769 static inline bool f2fs_is_compressed_page(struct folio *folio) { return false; } 4770 static inline bool f2fs_is_compress_backend_ready(struct inode *inode) 4771 { 4772 if (!f2fs_compressed_file(inode)) 4773 return true; 4774 /* not support compression */ 4775 return false; 4776 } 4777 static inline bool f2fs_is_compress_level_valid(int alg, int lvl) { return false; } 4778 static inline struct folio *f2fs_compress_control_folio(struct folio *folio) 4779 { 4780 WARN_ON_ONCE(1); 4781 return ERR_PTR(-EINVAL); 4782 } 4783 static inline int __init f2fs_init_compress_mempool(void) { return 0; } 4784 static inline void f2fs_destroy_compress_mempool(void) { } 4785 static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic, 4786 bool in_task) { } 4787 static inline void f2fs_end_read_compressed_page(struct folio *folio, 4788 bool failed, block_t blkaddr, bool in_task) 4789 { 4790 WARN_ON_ONCE(1); 4791 } 4792 static inline void f2fs_put_folio_dic(struct folio *folio, bool in_task) 4793 { 4794 WARN_ON_ONCE(1); 4795 } 4796 static inline unsigned int f2fs_cluster_blocks_are_contiguous( 4797 struct dnode_of_data *dn, unsigned int ofs_in_node) { return 0; } 4798 static inline bool f2fs_sanity_check_cluster(struct dnode_of_data *dn) { return false; } 4799 static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; } 4800 static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { } 4801 static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; } 4802 static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { } 4803 static inline int __init f2fs_init_compress_cache(void) { return 0; } 4804 static inline void f2fs_destroy_compress_cache(void) { } 4805 static inline void f2fs_invalidate_compress_pages_range(struct f2fs_sb_info *sbi, 4806 block_t blkaddr, unsigned int len) { } 4807 static inline bool f2fs_load_compressed_folio(struct f2fs_sb_info *sbi, 4808 struct folio *folio, block_t blkaddr) { return false; } 4809 static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, 4810 nid_t ino) { } 4811 #define inc_compr_inode_stat(inode) do { } while (0) 4812 static inline int f2fs_is_compressed_cluster( 4813 struct inode *inode, 4814 pgoff_t index) { return 0; } 4815 static inline bool f2fs_is_sparse_cluster( 4816 struct inode *inode, 4817 pgoff_t index) { return true; } 4818 static inline void f2fs_update_read_extent_tree_range_compressed( 4819 struct inode *inode, 4820 pgoff_t fofs, block_t blkaddr, 4821 unsigned int llen, unsigned int c_len) { } 4822 #endif 4823 4824 static inline int set_compress_context(struct inode *inode) 4825 { 4826 #ifdef CONFIG_F2FS_FS_COMPRESSION 4827 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); 4828 struct f2fs_inode_info *fi = F2FS_I(inode); 4829 4830 fi->i_compress_algorithm = F2FS_OPTION(sbi).compress_algorithm; 4831 fi->i_log_cluster_size = F2FS_OPTION(sbi).compress_log_size; 4832 fi->i_compress_flag = F2FS_OPTION(sbi).compress_chksum ? 4833 BIT(COMPRESS_CHKSUM) : 0; 4834 fi->i_cluster_size = BIT(fi->i_log_cluster_size); 4835 if ((fi->i_compress_algorithm == COMPRESS_LZ4 || 4836 fi->i_compress_algorithm == COMPRESS_ZSTD) && 4837 F2FS_OPTION(sbi).compress_level) 4838 fi->i_compress_level = F2FS_OPTION(sbi).compress_level; 4839 fi->i_flags |= F2FS_COMPR_FL; 4840 set_inode_flag(inode, FI_COMPRESSED_FILE); 4841 stat_inc_compr_inode(inode); 4842 inc_compr_inode_stat(inode); 4843 f2fs_mark_inode_dirty_sync(inode, true); 4844 return 0; 4845 #else 4846 return -EOPNOTSUPP; 4847 #endif 4848 } 4849 4850 static inline bool f2fs_disable_compressed_file(struct inode *inode) 4851 { 4852 struct f2fs_inode_info *fi = F2FS_I(inode); 4853 4854 f2fs_down_write(&fi->i_sem); 4855 4856 if (!f2fs_compressed_file(inode)) { 4857 f2fs_up_write(&fi->i_sem); 4858 return true; 4859 } 4860 if (f2fs_is_mmap_file(inode) || atomic_read(&fi->writeback) || 4861 (S_ISREG(inode->i_mode) && F2FS_HAS_BLOCKS(inode))) { 4862 f2fs_up_write(&fi->i_sem); 4863 return false; 4864 } 4865 4866 fi->i_flags &= ~F2FS_COMPR_FL; 4867 stat_dec_compr_inode(inode); 4868 clear_inode_flag(inode, FI_COMPRESSED_FILE); 4869 f2fs_mark_inode_dirty_sync(inode, true); 4870 4871 f2fs_up_write(&fi->i_sem); 4872 return true; 4873 } 4874 4875 #define F2FS_FEATURE_FUNCS(name, flagname) \ 4876 static inline bool f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \ 4877 { \ 4878 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \ 4879 } 4880 4881 F2FS_FEATURE_FUNCS(encrypt, ENCRYPT); 4882 F2FS_FEATURE_FUNCS(blkzoned, BLKZONED); 4883 F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR); 4884 F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA); 4885 F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM); 4886 F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR); 4887 F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO); 4888 F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME); 4889 F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND); 4890 F2FS_FEATURE_FUNCS(verity, VERITY); 4891 F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM); 4892 F2FS_FEATURE_FUNCS(casefold, CASEFOLD); 4893 F2FS_FEATURE_FUNCS(compression, COMPRESSION); 4894 F2FS_FEATURE_FUNCS(readonly, RO); 4895 F2FS_FEATURE_FUNCS(device_alias, DEVICE_ALIAS); 4896 F2FS_FEATURE_FUNCS(packed_ssa, PACKED_SSA); 4897 4898 #ifdef CONFIG_BLK_DEV_ZONED 4899 static inline bool f2fs_zone_is_seq(struct f2fs_sb_info *sbi, int devi, 4900 unsigned int zone) 4901 { 4902 return test_bit(zone, FDEV(devi).blkz_seq); 4903 } 4904 4905 static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi, 4906 block_t blkaddr) 4907 { 4908 return f2fs_zone_is_seq(sbi, devi, blkaddr / sbi->blocks_per_blkz); 4909 } 4910 #endif 4911 4912 static inline int f2fs_bdev_index(struct f2fs_sb_info *sbi, 4913 struct block_device *bdev) 4914 { 4915 int i; 4916 4917 if (!f2fs_is_multi_device(sbi)) 4918 return 0; 4919 4920 for (i = 0; i < sbi->s_ndevs; i++) 4921 if (FDEV(i).bdev == bdev) 4922 return i; 4923 4924 WARN_ON(1); 4925 return -1; 4926 } 4927 4928 static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi) 4929 { 4930 return f2fs_sb_has_blkzoned(sbi); 4931 } 4932 4933 static inline bool f2fs_bdev_support_discard(struct block_device *bdev) 4934 { 4935 return bdev_max_discard_sectors(bdev) || bdev_is_zoned(bdev); 4936 } 4937 4938 static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi) 4939 { 4940 int i; 4941 4942 if (!f2fs_is_multi_device(sbi)) 4943 return f2fs_bdev_support_discard(sbi->sb->s_bdev); 4944 4945 for (i = 0; i < sbi->s_ndevs; i++) 4946 if (f2fs_bdev_support_discard(FDEV(i).bdev)) 4947 return true; 4948 return false; 4949 } 4950 4951 static inline unsigned int f2fs_hw_discard_granularity(struct f2fs_sb_info *sbi) 4952 { 4953 int i = 1; 4954 unsigned int discard_granularity = bdev_discard_granularity(sbi->sb->s_bdev); 4955 4956 if (f2fs_is_multi_device(sbi)) 4957 for (; i < sbi->s_ndevs && !bdev_is_zoned(FDEV(i).bdev); i++) 4958 discard_granularity = max_t(unsigned int, discard_granularity, 4959 bdev_discard_granularity(FDEV(i).bdev)); 4960 return discard_granularity; 4961 } 4962 4963 static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi) 4964 { 4965 return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) || 4966 f2fs_hw_should_discard(sbi); 4967 } 4968 4969 static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi) 4970 { 4971 int i; 4972 4973 if (!f2fs_is_multi_device(sbi)) 4974 return bdev_read_only(sbi->sb->s_bdev); 4975 4976 for (i = 0; i < sbi->s_ndevs; i++) 4977 if (bdev_read_only(FDEV(i).bdev)) 4978 return true; 4979 return false; 4980 } 4981 4982 static inline bool f2fs_dev_is_readonly(struct f2fs_sb_info *sbi) 4983 { 4984 return f2fs_sb_has_readonly(sbi) || f2fs_hw_is_readonly(sbi); 4985 } 4986 4987 static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi) 4988 { 4989 return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS; 4990 } 4991 4992 static inline bool f2fs_is_sequential_zone_area(struct f2fs_sb_info *sbi, 4993 block_t blkaddr) 4994 { 4995 if (f2fs_sb_has_blkzoned(sbi)) { 4996 #ifdef CONFIG_BLK_DEV_ZONED 4997 int devi = f2fs_target_device_index(sbi, blkaddr); 4998 4999 if (!bdev_is_zoned(FDEV(devi).bdev)) 5000 return false; 5001 5002 if (f2fs_is_multi_device(sbi)) { 5003 if (blkaddr < FDEV(devi).start_blk || 5004 blkaddr > FDEV(devi).end_blk) { 5005 f2fs_err(sbi, "Invalid block %x", blkaddr); 5006 return false; 5007 } 5008 blkaddr -= FDEV(devi).start_blk; 5009 } 5010 5011 return f2fs_blkz_is_seq(sbi, devi, blkaddr); 5012 #else 5013 return false; 5014 #endif 5015 } 5016 return false; 5017 } 5018 5019 static inline bool f2fs_low_mem_mode(struct f2fs_sb_info *sbi) 5020 { 5021 return F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_LOW; 5022 } 5023 5024 static inline bool f2fs_may_compress(struct inode *inode) 5025 { 5026 if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) || 5027 f2fs_is_atomic_file(inode) || f2fs_has_inline_data(inode) || 5028 f2fs_is_mmap_file(inode)) 5029 return false; 5030 return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode); 5031 } 5032 5033 static inline void f2fs_i_compr_blocks_update(struct inode *inode, 5034 u64 blocks, bool add) 5035 { 5036 struct f2fs_inode_info *fi = F2FS_I(inode); 5037 int diff = fi->i_cluster_size - blocks; 5038 5039 /* don't update i_compr_blocks if saved blocks were released */ 5040 if (!add && !atomic_read(&fi->i_compr_blocks)) 5041 return; 5042 5043 if (add) { 5044 atomic_add(diff, &fi->i_compr_blocks); 5045 stat_add_compr_blocks(inode, diff); 5046 } else { 5047 atomic_sub(diff, &fi->i_compr_blocks); 5048 stat_sub_compr_blocks(inode, diff); 5049 } 5050 f2fs_mark_inode_dirty_sync(inode, true); 5051 } 5052 5053 static inline bool f2fs_allow_multi_device_dio(struct f2fs_sb_info *sbi, 5054 int flag) 5055 { 5056 if (!f2fs_is_multi_device(sbi)) 5057 return false; 5058 if (flag != F2FS_GET_BLOCK_DIO) 5059 return false; 5060 return sbi->aligned_blksize; 5061 } 5062 5063 #ifdef CONFIG_F2FS_FAULT_INJECTION 5064 extern int f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned long rate, 5065 unsigned long type, enum fault_option fo); 5066 extern void f2fs_simulate_lock_timeout(struct f2fs_sb_info *sbi); 5067 #else 5068 static inline int f2fs_build_fault_attr(struct f2fs_sb_info *sbi, 5069 unsigned long rate, unsigned long type, 5070 enum fault_option fo) 5071 { 5072 return 0; 5073 } 5074 static inline void f2fs_simulate_lock_timeout(struct f2fs_sb_info *sbi) 5075 { 5076 return; 5077 } 5078 #endif 5079 5080 static inline bool is_journalled_quota(struct f2fs_sb_info *sbi) 5081 { 5082 #ifdef CONFIG_QUOTA 5083 if (f2fs_sb_has_quota_ino(sbi)) 5084 return true; 5085 if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || 5086 F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || 5087 F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) 5088 return true; 5089 #endif 5090 return false; 5091 } 5092 5093 static inline bool f2fs_quota_file(struct f2fs_sb_info *sbi, nid_t ino) 5094 { 5095 #ifdef CONFIG_QUOTA 5096 int i; 5097 5098 if (!f2fs_sb_has_quota_ino(sbi)) 5099 return false; 5100 5101 for (i = 0; i < MAXQUOTAS; i++) { 5102 if (f2fs_qf_ino(sbi->sb, i) == ino) 5103 return true; 5104 } 5105 #endif 5106 return false; 5107 } 5108 5109 static inline bool f2fs_block_unit_discard(struct f2fs_sb_info *sbi) 5110 { 5111 return F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK; 5112 } 5113 5114 static inline void __f2fs_schedule_timeout(long timeout, bool io) 5115 { 5116 set_current_state(TASK_UNINTERRUPTIBLE); 5117 if (io) 5118 io_schedule_timeout(timeout); 5119 else 5120 schedule_timeout(timeout); 5121 } 5122 5123 #define f2fs_io_schedule_timeout(timeout) \ 5124 __f2fs_schedule_timeout(timeout, true) 5125 #define f2fs_schedule_timeout(timeout) \ 5126 __f2fs_schedule_timeout(timeout, false) 5127 5128 static inline void f2fs_schedule_timeout_killable(long timeout, bool io) 5129 { 5130 unsigned long last_time = jiffies + timeout; 5131 5132 while (jiffies < last_time) { 5133 if (fatal_signal_pending(current)) 5134 return; 5135 __f2fs_schedule_timeout(DEFAULT_SCHEDULE_TIMEOUT, io); 5136 } 5137 } 5138 5139 static inline void f2fs_handle_page_eio(struct f2fs_sb_info *sbi, 5140 struct folio *folio, enum page_type type) 5141 { 5142 pgoff_t ofs = folio->index; 5143 5144 if (unlikely(f2fs_cp_error(sbi))) 5145 return; 5146 5147 if (ofs == sbi->page_eio_ofs[type]) { 5148 if (sbi->page_eio_cnt[type]++ == MAX_RETRY_PAGE_EIO) { 5149 enum stop_cp_reason stop_reason; 5150 5151 switch (type) { 5152 case META: 5153 stop_reason = STOP_CP_REASON_READ_META; 5154 break; 5155 case NODE: 5156 stop_reason = STOP_CP_REASON_READ_NODE; 5157 break; 5158 case DATA: 5159 stop_reason = STOP_CP_REASON_READ_DATA; 5160 break; 5161 default: 5162 f2fs_bug_on(sbi, 1); 5163 return; 5164 } 5165 f2fs_stop_checkpoint(sbi, false, stop_reason); 5166 } 5167 } else { 5168 sbi->page_eio_ofs[type] = ofs; 5169 sbi->page_eio_cnt[type] = 0; 5170 } 5171 } 5172 5173 static inline bool f2fs_is_readonly(struct f2fs_sb_info *sbi) 5174 { 5175 return f2fs_sb_has_readonly(sbi) || f2fs_readonly(sbi->sb); 5176 } 5177 5178 static inline void f2fs_truncate_meta_inode_pages(struct f2fs_sb_info *sbi, 5179 block_t blkaddr, unsigned int cnt) 5180 { 5181 bool need_submit = false; 5182 int i = 0; 5183 5184 do { 5185 struct folio *folio; 5186 5187 folio = filemap_get_folio(META_MAPPING(sbi), blkaddr + i); 5188 if (!IS_ERR(folio)) { 5189 if (folio_test_writeback(folio)) 5190 need_submit = true; 5191 f2fs_folio_put(folio, false); 5192 } 5193 } while (++i < cnt && !need_submit); 5194 5195 if (need_submit) 5196 f2fs_submit_merged_write_cond(sbi, sbi->meta_inode, 5197 NULL, 0, DATA); 5198 5199 truncate_inode_pages_range(META_MAPPING(sbi), 5200 F2FS_BLK_TO_BYTES((loff_t)blkaddr), 5201 F2FS_BLK_END_BYTES((loff_t)(blkaddr + cnt - 1))); 5202 } 5203 5204 static inline void f2fs_invalidate_internal_cache(struct f2fs_sb_info *sbi, 5205 block_t blkaddr, unsigned int len) 5206 { 5207 f2fs_truncate_meta_inode_pages(sbi, blkaddr, len); 5208 f2fs_invalidate_compress_pages_range(sbi, blkaddr, len); 5209 } 5210 5211 #endif /* _LINUX_F2FS_H */ 5212