1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * fs/f2fs/inode.c 4 * 5 * Copyright (c) 2012 Samsung Electronics Co., Ltd. 6 * http://www.samsung.com/ 7 */ 8 #include <linux/fs.h> 9 #include <linux/f2fs_fs.h> 10 #include <linux/buffer_head.h> 11 #include <linux/backing-dev.h> 12 #include <linux/writeback.h> 13 14 #include "f2fs.h" 15 #include "node.h" 16 #include "segment.h" 17 #include "xattr.h" 18 19 #include <trace/events/f2fs.h> 20 21 void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync) 22 { 23 if (is_inode_flag_set(inode, FI_NEW_INODE)) 24 return; 25 26 if (f2fs_inode_dirtied(inode, sync)) 27 return; 28 29 mark_inode_dirty_sync(inode); 30 } 31 32 void f2fs_set_inode_flags(struct inode *inode) 33 { 34 unsigned int flags = F2FS_I(inode)->i_flags; 35 unsigned int new_fl = 0; 36 37 if (flags & F2FS_SYNC_FL) 38 new_fl |= S_SYNC; 39 if (flags & F2FS_APPEND_FL) 40 new_fl |= S_APPEND; 41 if (flags & F2FS_IMMUTABLE_FL) 42 new_fl |= S_IMMUTABLE; 43 if (flags & F2FS_NOATIME_FL) 44 new_fl |= S_NOATIME; 45 if (flags & F2FS_DIRSYNC_FL) 46 new_fl |= S_DIRSYNC; 47 if (file_is_encrypt(inode)) 48 new_fl |= S_ENCRYPTED; 49 if (file_is_verity(inode)) 50 new_fl |= S_VERITY; 51 if (flags & F2FS_CASEFOLD_FL) 52 new_fl |= S_CASEFOLD; 53 inode_set_flags(inode, new_fl, 54 S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC| 55 S_ENCRYPTED|S_VERITY|S_CASEFOLD); 56 } 57 58 static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri) 59 { 60 int extra_size = get_extra_isize(inode); 61 62 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || 63 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { 64 if (ri->i_addr[extra_size]) 65 inode->i_rdev = old_decode_dev( 66 le32_to_cpu(ri->i_addr[extra_size])); 67 else 68 inode->i_rdev = new_decode_dev( 69 le32_to_cpu(ri->i_addr[extra_size + 1])); 70 } 71 } 72 73 static int __written_first_block(struct f2fs_sb_info *sbi, 74 struct f2fs_inode *ri) 75 { 76 block_t addr = le32_to_cpu(ri->i_addr[offset_in_addr(ri)]); 77 78 if (!__is_valid_data_blkaddr(addr)) 79 return 1; 80 if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC_ENHANCE)) 81 return -EFSCORRUPTED; 82 return 0; 83 } 84 85 static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri) 86 { 87 int extra_size = get_extra_isize(inode); 88 89 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { 90 if (old_valid_dev(inode->i_rdev)) { 91 ri->i_addr[extra_size] = 92 cpu_to_le32(old_encode_dev(inode->i_rdev)); 93 ri->i_addr[extra_size + 1] = 0; 94 } else { 95 ri->i_addr[extra_size] = 0; 96 ri->i_addr[extra_size + 1] = 97 cpu_to_le32(new_encode_dev(inode->i_rdev)); 98 ri->i_addr[extra_size + 2] = 0; 99 } 100 } 101 } 102 103 static void __recover_inline_status(struct inode *inode, struct page *ipage) 104 { 105 void *inline_data = inline_data_addr(inode, ipage); 106 __le32 *start = inline_data; 107 __le32 *end = start + MAX_INLINE_DATA(inode) / sizeof(__le32); 108 109 while (start < end) { 110 if (*start++) { 111 f2fs_wait_on_page_writeback(ipage, NODE, true, true); 112 113 set_inode_flag(inode, FI_DATA_EXIST); 114 set_raw_inline(inode, F2FS_INODE(ipage)); 115 set_page_dirty(ipage); 116 return; 117 } 118 } 119 return; 120 } 121 122 static bool f2fs_enable_inode_chksum(struct f2fs_sb_info *sbi, struct page *page) 123 { 124 struct f2fs_inode *ri = &F2FS_NODE(page)->i; 125 126 if (!f2fs_sb_has_inode_chksum(sbi)) 127 return false; 128 129 if (!IS_INODE(page) || !(ri->i_inline & F2FS_EXTRA_ATTR)) 130 return false; 131 132 if (!F2FS_FITS_IN_INODE(ri, le16_to_cpu(ri->i_extra_isize), 133 i_inode_checksum)) 134 return false; 135 136 return true; 137 } 138 139 static __u32 f2fs_inode_chksum(struct f2fs_sb_info *sbi, struct page *page) 140 { 141 struct f2fs_node *node = F2FS_NODE(page); 142 struct f2fs_inode *ri = &node->i; 143 __le32 ino = node->footer.ino; 144 __le32 gen = ri->i_generation; 145 __u32 chksum, chksum_seed; 146 __u32 dummy_cs = 0; 147 unsigned int offset = offsetof(struct f2fs_inode, i_inode_checksum); 148 unsigned int cs_size = sizeof(dummy_cs); 149 150 chksum = f2fs_chksum(sbi, sbi->s_chksum_seed, (__u8 *)&ino, 151 sizeof(ino)); 152 chksum_seed = f2fs_chksum(sbi, chksum, (__u8 *)&gen, sizeof(gen)); 153 154 chksum = f2fs_chksum(sbi, chksum_seed, (__u8 *)ri, offset); 155 chksum = f2fs_chksum(sbi, chksum, (__u8 *)&dummy_cs, cs_size); 156 offset += cs_size; 157 chksum = f2fs_chksum(sbi, chksum, (__u8 *)ri + offset, 158 F2FS_BLKSIZE - offset); 159 return chksum; 160 } 161 162 bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page) 163 { 164 struct f2fs_inode *ri; 165 __u32 provided, calculated; 166 167 if (unlikely(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN))) 168 return true; 169 170 #ifdef CONFIG_F2FS_CHECK_FS 171 if (!f2fs_enable_inode_chksum(sbi, page)) 172 #else 173 if (!f2fs_enable_inode_chksum(sbi, page) || 174 PageDirty(page) || PageWriteback(page)) 175 #endif 176 return true; 177 178 ri = &F2FS_NODE(page)->i; 179 provided = le32_to_cpu(ri->i_inode_checksum); 180 calculated = f2fs_inode_chksum(sbi, page); 181 182 if (provided != calculated) 183 f2fs_warn(sbi, "checksum invalid, nid = %lu, ino_of_node = %x, %x vs. %x", 184 page->index, ino_of_node(page), provided, calculated); 185 186 return provided == calculated; 187 } 188 189 void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page) 190 { 191 struct f2fs_inode *ri = &F2FS_NODE(page)->i; 192 193 if (!f2fs_enable_inode_chksum(sbi, page)) 194 return; 195 196 ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page)); 197 } 198 199 static bool sanity_check_inode(struct inode *inode, struct page *node_page) 200 { 201 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); 202 struct f2fs_inode_info *fi = F2FS_I(inode); 203 struct f2fs_inode *ri = F2FS_INODE(node_page); 204 unsigned long long iblocks; 205 206 iblocks = le64_to_cpu(F2FS_INODE(node_page)->i_blocks); 207 if (!iblocks) { 208 set_sbi_flag(sbi, SBI_NEED_FSCK); 209 f2fs_warn(sbi, "%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, run fsck to fix.", 210 __func__, inode->i_ino, iblocks); 211 return false; 212 } 213 214 if (ino_of_node(node_page) != nid_of_node(node_page)) { 215 set_sbi_flag(sbi, SBI_NEED_FSCK); 216 f2fs_warn(sbi, "%s: corrupted inode footer i_ino=%lx, ino,nid: [%u, %u] run fsck to fix.", 217 __func__, inode->i_ino, 218 ino_of_node(node_page), nid_of_node(node_page)); 219 return false; 220 } 221 222 if (f2fs_sb_has_flexible_inline_xattr(sbi) 223 && !f2fs_has_extra_attr(inode)) { 224 set_sbi_flag(sbi, SBI_NEED_FSCK); 225 f2fs_warn(sbi, "%s: corrupted inode ino=%lx, run fsck to fix.", 226 __func__, inode->i_ino); 227 return false; 228 } 229 230 if (f2fs_has_extra_attr(inode) && 231 !f2fs_sb_has_extra_attr(sbi)) { 232 set_sbi_flag(sbi, SBI_NEED_FSCK); 233 f2fs_warn(sbi, "%s: inode (ino=%lx) is with extra_attr, but extra_attr feature is off", 234 __func__, inode->i_ino); 235 return false; 236 } 237 238 if (fi->i_extra_isize > F2FS_TOTAL_EXTRA_ATTR_SIZE || 239 fi->i_extra_isize % sizeof(__le32)) { 240 set_sbi_flag(sbi, SBI_NEED_FSCK); 241 f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_extra_isize: %d, max: %zu", 242 __func__, inode->i_ino, fi->i_extra_isize, 243 F2FS_TOTAL_EXTRA_ATTR_SIZE); 244 return false; 245 } 246 247 if (f2fs_has_extra_attr(inode) && 248 f2fs_sb_has_flexible_inline_xattr(sbi) && 249 f2fs_has_inline_xattr(inode) && 250 (!fi->i_inline_xattr_size || 251 fi->i_inline_xattr_size > MAX_INLINE_XATTR_SIZE)) { 252 set_sbi_flag(sbi, SBI_NEED_FSCK); 253 f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_inline_xattr_size: %d, max: %zu", 254 __func__, inode->i_ino, fi->i_inline_xattr_size, 255 MAX_INLINE_XATTR_SIZE); 256 return false; 257 } 258 259 if (F2FS_I(inode)->extent_tree) { 260 struct extent_info *ei = &F2FS_I(inode)->extent_tree->largest; 261 262 if (ei->len && 263 (!f2fs_is_valid_blkaddr(sbi, ei->blk, 264 DATA_GENERIC_ENHANCE) || 265 !f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1, 266 DATA_GENERIC_ENHANCE))) { 267 set_sbi_flag(sbi, SBI_NEED_FSCK); 268 f2fs_warn(sbi, "%s: inode (ino=%lx) extent info [%u, %u, %u] is incorrect, run fsck to fix", 269 __func__, inode->i_ino, 270 ei->blk, ei->fofs, ei->len); 271 return false; 272 } 273 } 274 275 if (f2fs_has_inline_data(inode) && 276 (!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode))) { 277 set_sbi_flag(sbi, SBI_NEED_FSCK); 278 f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_data, run fsck to fix", 279 __func__, inode->i_ino, inode->i_mode); 280 return false; 281 } 282 283 if (f2fs_has_inline_dentry(inode) && !S_ISDIR(inode->i_mode)) { 284 set_sbi_flag(sbi, SBI_NEED_FSCK); 285 f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_dentry, run fsck to fix", 286 __func__, inode->i_ino, inode->i_mode); 287 return false; 288 } 289 290 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_compression(sbi) && 291 fi->i_flags & F2FS_COMPR_FL && 292 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, 293 i_log_cluster_size)) { 294 if (ri->i_compress_algorithm >= COMPRESS_MAX) { 295 f2fs_warn(sbi, "%s: inode (ino=%lx) has unsupported " 296 "compress algorithm: %u, run fsck to fix", 297 __func__, inode->i_ino, 298 ri->i_compress_algorithm); 299 return false; 300 } 301 if (le64_to_cpu(ri->i_compr_blocks) > 302 SECTOR_TO_BLOCK(inode->i_blocks)) { 303 f2fs_warn(sbi, "%s: inode (ino=%lx) has inconsistent " 304 "i_compr_blocks:%llu, i_blocks:%llu, run fsck to fix", 305 __func__, inode->i_ino, 306 le64_to_cpu(ri->i_compr_blocks), 307 SECTOR_TO_BLOCK(inode->i_blocks)); 308 return false; 309 } 310 if (ri->i_log_cluster_size < MIN_COMPRESS_LOG_SIZE || 311 ri->i_log_cluster_size > MAX_COMPRESS_LOG_SIZE) { 312 f2fs_warn(sbi, "%s: inode (ino=%lx) has unsupported " 313 "log cluster size: %u, run fsck to fix", 314 __func__, inode->i_ino, 315 ri->i_log_cluster_size); 316 return false; 317 } 318 } 319 320 return true; 321 } 322 323 static int do_read_inode(struct inode *inode) 324 { 325 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); 326 struct f2fs_inode_info *fi = F2FS_I(inode); 327 struct page *node_page; 328 struct f2fs_inode *ri; 329 projid_t i_projid; 330 int err; 331 332 /* Check if ino is within scope */ 333 if (f2fs_check_nid_range(sbi, inode->i_ino)) 334 return -EINVAL; 335 336 node_page = f2fs_get_node_page(sbi, inode->i_ino); 337 if (IS_ERR(node_page)) 338 return PTR_ERR(node_page); 339 340 ri = F2FS_INODE(node_page); 341 342 inode->i_mode = le16_to_cpu(ri->i_mode); 343 i_uid_write(inode, le32_to_cpu(ri->i_uid)); 344 i_gid_write(inode, le32_to_cpu(ri->i_gid)); 345 set_nlink(inode, le32_to_cpu(ri->i_links)); 346 inode->i_size = le64_to_cpu(ri->i_size); 347 inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1); 348 349 inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime); 350 inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime); 351 inode->i_mtime.tv_sec = le64_to_cpu(ri->i_mtime); 352 inode->i_atime.tv_nsec = le32_to_cpu(ri->i_atime_nsec); 353 inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec); 354 inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec); 355 inode->i_generation = le32_to_cpu(ri->i_generation); 356 if (S_ISDIR(inode->i_mode)) 357 fi->i_current_depth = le32_to_cpu(ri->i_current_depth); 358 else if (S_ISREG(inode->i_mode)) 359 fi->i_gc_failures[GC_FAILURE_PIN] = 360 le16_to_cpu(ri->i_gc_failures); 361 fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid); 362 fi->i_flags = le32_to_cpu(ri->i_flags); 363 if (S_ISREG(inode->i_mode)) 364 fi->i_flags &= ~F2FS_PROJINHERIT_FL; 365 bitmap_zero(fi->flags, FI_MAX); 366 fi->i_advise = ri->i_advise; 367 fi->i_pino = le32_to_cpu(ri->i_pino); 368 fi->i_dir_level = ri->i_dir_level; 369 370 if (f2fs_init_extent_tree(inode, &ri->i_ext)) 371 set_page_dirty(node_page); 372 373 get_inline_info(inode, ri); 374 375 fi->i_extra_isize = f2fs_has_extra_attr(inode) ? 376 le16_to_cpu(ri->i_extra_isize) : 0; 377 378 if (f2fs_sb_has_flexible_inline_xattr(sbi)) { 379 fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size); 380 } else if (f2fs_has_inline_xattr(inode) || 381 f2fs_has_inline_dentry(inode)) { 382 fi->i_inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; 383 } else { 384 385 /* 386 * Previous inline data or directory always reserved 200 bytes 387 * in inode layout, even if inline_xattr is disabled. In order 388 * to keep inline_dentry's structure for backward compatibility, 389 * we get the space back only from inline_data. 390 */ 391 fi->i_inline_xattr_size = 0; 392 } 393 394 if (!sanity_check_inode(inode, node_page)) { 395 f2fs_put_page(node_page, 1); 396 return -EFSCORRUPTED; 397 } 398 399 /* check data exist */ 400 if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode)) 401 __recover_inline_status(inode, node_page); 402 403 /* try to recover cold bit for non-dir inode */ 404 if (!S_ISDIR(inode->i_mode) && !is_cold_node(node_page)) { 405 set_cold_node(node_page, false); 406 set_page_dirty(node_page); 407 } 408 409 /* get rdev by using inline_info */ 410 __get_inode_rdev(inode, ri); 411 412 if (S_ISREG(inode->i_mode)) { 413 err = __written_first_block(sbi, ri); 414 if (err < 0) { 415 f2fs_put_page(node_page, 1); 416 return err; 417 } 418 if (!err) 419 set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN); 420 } 421 422 if (!f2fs_need_inode_block_update(sbi, inode->i_ino)) 423 fi->last_disk_size = inode->i_size; 424 425 if (fi->i_flags & F2FS_PROJINHERIT_FL) 426 set_inode_flag(inode, FI_PROJ_INHERIT); 427 428 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi) && 429 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid)) 430 i_projid = (projid_t)le32_to_cpu(ri->i_projid); 431 else 432 i_projid = F2FS_DEF_PROJID; 433 fi->i_projid = make_kprojid(&init_user_ns, i_projid); 434 435 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi) && 436 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) { 437 fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime); 438 fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec); 439 } 440 441 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_compression(sbi) && 442 (fi->i_flags & F2FS_COMPR_FL)) { 443 if (F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, 444 i_log_cluster_size)) { 445 fi->i_compr_blocks = le64_to_cpu(ri->i_compr_blocks); 446 fi->i_compress_algorithm = ri->i_compress_algorithm; 447 fi->i_log_cluster_size = ri->i_log_cluster_size; 448 fi->i_cluster_size = 1 << fi->i_log_cluster_size; 449 set_inode_flag(inode, FI_COMPRESSED_FILE); 450 } 451 } 452 453 F2FS_I(inode)->i_disk_time[0] = inode->i_atime; 454 F2FS_I(inode)->i_disk_time[1] = inode->i_ctime; 455 F2FS_I(inode)->i_disk_time[2] = inode->i_mtime; 456 F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime; 457 f2fs_put_page(node_page, 1); 458 459 stat_inc_inline_xattr(inode); 460 stat_inc_inline_inode(inode); 461 stat_inc_inline_dir(inode); 462 stat_inc_compr_inode(inode); 463 stat_add_compr_blocks(inode, F2FS_I(inode)->i_compr_blocks); 464 465 return 0; 466 } 467 468 struct inode *f2fs_iget(struct super_block *sb, unsigned long ino) 469 { 470 struct f2fs_sb_info *sbi = F2FS_SB(sb); 471 struct inode *inode; 472 int ret = 0; 473 474 inode = iget_locked(sb, ino); 475 if (!inode) 476 return ERR_PTR(-ENOMEM); 477 478 if (!(inode->i_state & I_NEW)) { 479 trace_f2fs_iget(inode); 480 return inode; 481 } 482 if (ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi)) 483 goto make_now; 484 485 ret = do_read_inode(inode); 486 if (ret) 487 goto bad_inode; 488 make_now: 489 if (ino == F2FS_NODE_INO(sbi)) { 490 inode->i_mapping->a_ops = &f2fs_node_aops; 491 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); 492 } else if (ino == F2FS_META_INO(sbi)) { 493 inode->i_mapping->a_ops = &f2fs_meta_aops; 494 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); 495 } else if (S_ISREG(inode->i_mode)) { 496 inode->i_op = &f2fs_file_inode_operations; 497 inode->i_fop = &f2fs_file_operations; 498 inode->i_mapping->a_ops = &f2fs_dblock_aops; 499 } else if (S_ISDIR(inode->i_mode)) { 500 inode->i_op = &f2fs_dir_inode_operations; 501 inode->i_fop = &f2fs_dir_operations; 502 inode->i_mapping->a_ops = &f2fs_dblock_aops; 503 inode_nohighmem(inode); 504 } else if (S_ISLNK(inode->i_mode)) { 505 if (file_is_encrypt(inode)) 506 inode->i_op = &f2fs_encrypted_symlink_inode_operations; 507 else 508 inode->i_op = &f2fs_symlink_inode_operations; 509 inode_nohighmem(inode); 510 inode->i_mapping->a_ops = &f2fs_dblock_aops; 511 } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || 512 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { 513 inode->i_op = &f2fs_special_inode_operations; 514 init_special_inode(inode, inode->i_mode, inode->i_rdev); 515 } else { 516 ret = -EIO; 517 goto bad_inode; 518 } 519 f2fs_set_inode_flags(inode); 520 unlock_new_inode(inode); 521 trace_f2fs_iget(inode); 522 return inode; 523 524 bad_inode: 525 f2fs_inode_synced(inode); 526 iget_failed(inode); 527 trace_f2fs_iget_exit(inode, ret); 528 return ERR_PTR(ret); 529 } 530 531 struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino) 532 { 533 struct inode *inode; 534 retry: 535 inode = f2fs_iget(sb, ino); 536 if (IS_ERR(inode)) { 537 if (PTR_ERR(inode) == -ENOMEM) { 538 congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT); 539 goto retry; 540 } 541 } 542 return inode; 543 } 544 545 void f2fs_update_inode(struct inode *inode, struct page *node_page) 546 { 547 struct f2fs_inode *ri; 548 struct extent_tree *et = F2FS_I(inode)->extent_tree; 549 550 f2fs_wait_on_page_writeback(node_page, NODE, true, true); 551 set_page_dirty(node_page); 552 553 f2fs_inode_synced(inode); 554 555 ri = F2FS_INODE(node_page); 556 557 ri->i_mode = cpu_to_le16(inode->i_mode); 558 ri->i_advise = F2FS_I(inode)->i_advise; 559 ri->i_uid = cpu_to_le32(i_uid_read(inode)); 560 ri->i_gid = cpu_to_le32(i_gid_read(inode)); 561 ri->i_links = cpu_to_le32(inode->i_nlink); 562 ri->i_size = cpu_to_le64(i_size_read(inode)); 563 ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1); 564 565 if (et) { 566 read_lock(&et->lock); 567 set_raw_extent(&et->largest, &ri->i_ext); 568 read_unlock(&et->lock); 569 } else { 570 memset(&ri->i_ext, 0, sizeof(ri->i_ext)); 571 } 572 set_raw_inline(inode, ri); 573 574 ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec); 575 ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); 576 ri->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec); 577 ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec); 578 ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); 579 ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); 580 if (S_ISDIR(inode->i_mode)) 581 ri->i_current_depth = 582 cpu_to_le32(F2FS_I(inode)->i_current_depth); 583 else if (S_ISREG(inode->i_mode)) 584 ri->i_gc_failures = 585 cpu_to_le16(F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN]); 586 ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid); 587 ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags); 588 ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino); 589 ri->i_generation = cpu_to_le32(inode->i_generation); 590 ri->i_dir_level = F2FS_I(inode)->i_dir_level; 591 592 if (f2fs_has_extra_attr(inode)) { 593 ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize); 594 595 if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode))) 596 ri->i_inline_xattr_size = 597 cpu_to_le16(F2FS_I(inode)->i_inline_xattr_size); 598 599 if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)) && 600 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize, 601 i_projid)) { 602 projid_t i_projid; 603 604 i_projid = from_kprojid(&init_user_ns, 605 F2FS_I(inode)->i_projid); 606 ri->i_projid = cpu_to_le32(i_projid); 607 } 608 609 if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)) && 610 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize, 611 i_crtime)) { 612 ri->i_crtime = 613 cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec); 614 ri->i_crtime_nsec = 615 cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec); 616 } 617 618 if (f2fs_sb_has_compression(F2FS_I_SB(inode)) && 619 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize, 620 i_log_cluster_size)) { 621 ri->i_compr_blocks = 622 cpu_to_le64(F2FS_I(inode)->i_compr_blocks); 623 ri->i_compress_algorithm = 624 F2FS_I(inode)->i_compress_algorithm; 625 ri->i_log_cluster_size = 626 F2FS_I(inode)->i_log_cluster_size; 627 } 628 } 629 630 __set_inode_rdev(inode, ri); 631 632 /* deleted inode */ 633 if (inode->i_nlink == 0) 634 clear_inline_node(node_page); 635 636 F2FS_I(inode)->i_disk_time[0] = inode->i_atime; 637 F2FS_I(inode)->i_disk_time[1] = inode->i_ctime; 638 F2FS_I(inode)->i_disk_time[2] = inode->i_mtime; 639 F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime; 640 641 #ifdef CONFIG_F2FS_CHECK_FS 642 f2fs_inode_chksum_set(F2FS_I_SB(inode), node_page); 643 #endif 644 } 645 646 void f2fs_update_inode_page(struct inode *inode) 647 { 648 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); 649 struct page *node_page; 650 retry: 651 node_page = f2fs_get_node_page(sbi, inode->i_ino); 652 if (IS_ERR(node_page)) { 653 int err = PTR_ERR(node_page); 654 if (err == -ENOMEM) { 655 cond_resched(); 656 goto retry; 657 } else if (err != -ENOENT) { 658 f2fs_stop_checkpoint(sbi, false); 659 } 660 return; 661 } 662 f2fs_update_inode(inode, node_page); 663 f2fs_put_page(node_page, 1); 664 } 665 666 int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc) 667 { 668 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); 669 670 if (inode->i_ino == F2FS_NODE_INO(sbi) || 671 inode->i_ino == F2FS_META_INO(sbi)) 672 return 0; 673 674 /* 675 * atime could be updated without dirtying f2fs inode in lazytime mode 676 */ 677 if (f2fs_is_time_consistent(inode) && 678 !is_inode_flag_set(inode, FI_DIRTY_INODE)) 679 return 0; 680 681 if (!f2fs_is_checkpoint_ready(sbi)) 682 return -ENOSPC; 683 684 /* 685 * We need to balance fs here to prevent from producing dirty node pages 686 * during the urgent cleaning time when runing out of free sections. 687 */ 688 f2fs_update_inode_page(inode); 689 if (wbc && wbc->nr_to_write) 690 f2fs_balance_fs(sbi, true); 691 return 0; 692 } 693 694 /* 695 * Called at the last iput() if i_nlink is zero 696 */ 697 void f2fs_evict_inode(struct inode *inode) 698 { 699 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); 700 nid_t xnid = F2FS_I(inode)->i_xattr_nid; 701 int err = 0; 702 703 /* some remained atomic pages should discarded */ 704 if (f2fs_is_atomic_file(inode)) 705 f2fs_drop_inmem_pages(inode); 706 707 trace_f2fs_evict_inode(inode); 708 truncate_inode_pages_final(&inode->i_data); 709 710 if (inode->i_ino == F2FS_NODE_INO(sbi) || 711 inode->i_ino == F2FS_META_INO(sbi)) 712 goto out_clear; 713 714 f2fs_bug_on(sbi, get_dirty_pages(inode)); 715 f2fs_remove_dirty_inode(inode); 716 717 f2fs_destroy_extent_tree(inode); 718 719 if (inode->i_nlink || is_bad_inode(inode)) 720 goto no_delete; 721 722 err = dquot_initialize(inode); 723 if (err) { 724 err = 0; 725 set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); 726 } 727 728 f2fs_remove_ino_entry(sbi, inode->i_ino, APPEND_INO); 729 f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO); 730 f2fs_remove_ino_entry(sbi, inode->i_ino, FLUSH_INO); 731 732 sb_start_intwrite(inode->i_sb); 733 set_inode_flag(inode, FI_NO_ALLOC); 734 i_size_write(inode, 0); 735 retry: 736 if (F2FS_HAS_BLOCKS(inode)) 737 err = f2fs_truncate(inode); 738 739 if (time_to_inject(sbi, FAULT_EVICT_INODE)) { 740 f2fs_show_injection_info(sbi, FAULT_EVICT_INODE); 741 err = -EIO; 742 } 743 744 if (!err) { 745 f2fs_lock_op(sbi); 746 err = f2fs_remove_inode_page(inode); 747 f2fs_unlock_op(sbi); 748 if (err == -ENOENT) 749 err = 0; 750 } 751 752 /* give more chances, if ENOMEM case */ 753 if (err == -ENOMEM) { 754 err = 0; 755 goto retry; 756 } 757 758 if (err) { 759 f2fs_update_inode_page(inode); 760 if (dquot_initialize_needed(inode)) 761 set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); 762 } 763 sb_end_intwrite(inode->i_sb); 764 no_delete: 765 dquot_drop(inode); 766 767 stat_dec_inline_xattr(inode); 768 stat_dec_inline_dir(inode); 769 stat_dec_inline_inode(inode); 770 stat_dec_compr_inode(inode); 771 stat_sub_compr_blocks(inode, F2FS_I(inode)->i_compr_blocks); 772 773 if (likely(!f2fs_cp_error(sbi) && 774 !is_sbi_flag_set(sbi, SBI_CP_DISABLED))) 775 f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE)); 776 else 777 f2fs_inode_synced(inode); 778 779 /* for the case f2fs_new_inode() was failed, .i_ino is zero, skip it */ 780 if (inode->i_ino) 781 invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino, 782 inode->i_ino); 783 if (xnid) 784 invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid); 785 if (inode->i_nlink) { 786 if (is_inode_flag_set(inode, FI_APPEND_WRITE)) 787 f2fs_add_ino_entry(sbi, inode->i_ino, APPEND_INO); 788 if (is_inode_flag_set(inode, FI_UPDATE_WRITE)) 789 f2fs_add_ino_entry(sbi, inode->i_ino, UPDATE_INO); 790 } 791 if (is_inode_flag_set(inode, FI_FREE_NID)) { 792 f2fs_alloc_nid_failed(sbi, inode->i_ino); 793 clear_inode_flag(inode, FI_FREE_NID); 794 } else { 795 /* 796 * If xattr nid is corrupted, we can reach out error condition, 797 * err & !f2fs_exist_written_data(sbi, inode->i_ino, ORPHAN_INO)). 798 * In that case, f2fs_check_nid_range() is enough to give a clue. 799 */ 800 } 801 out_clear: 802 fscrypt_put_encryption_info(inode); 803 fsverity_cleanup_inode(inode); 804 clear_inode(inode); 805 } 806 807 /* caller should call f2fs_lock_op() */ 808 void f2fs_handle_failed_inode(struct inode *inode) 809 { 810 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); 811 struct node_info ni; 812 int err; 813 814 /* 815 * clear nlink of inode in order to release resource of inode 816 * immediately. 817 */ 818 clear_nlink(inode); 819 820 /* 821 * we must call this to avoid inode being remained as dirty, resulting 822 * in a panic when flushing dirty inodes in gdirty_list. 823 */ 824 f2fs_update_inode_page(inode); 825 f2fs_inode_synced(inode); 826 827 /* don't make bad inode, since it becomes a regular file. */ 828 unlock_new_inode(inode); 829 830 /* 831 * Note: we should add inode to orphan list before f2fs_unlock_op() 832 * so we can prevent losing this orphan when encoutering checkpoint 833 * and following suddenly power-off. 834 */ 835 err = f2fs_get_node_info(sbi, inode->i_ino, &ni); 836 if (err) { 837 set_sbi_flag(sbi, SBI_NEED_FSCK); 838 f2fs_warn(sbi, "May loss orphan inode, run fsck to fix."); 839 goto out; 840 } 841 842 if (ni.blk_addr != NULL_ADDR) { 843 err = f2fs_acquire_orphan_inode(sbi); 844 if (err) { 845 set_sbi_flag(sbi, SBI_NEED_FSCK); 846 f2fs_warn(sbi, "Too many orphan inodes, run fsck to fix."); 847 } else { 848 f2fs_add_orphan_inode(inode); 849 } 850 f2fs_alloc_nid_done(sbi, inode->i_ino); 851 } else { 852 set_inode_flag(inode, FI_FREE_NID); 853 } 854 855 out: 856 f2fs_unlock_op(sbi); 857 858 /* iput will drop the inode object */ 859 iput(inode); 860 } 861