1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 29 /* 30 * University Copyright- Copyright (c) 1982, 1986, 1988 31 * The Regents of the University of California 32 * All Rights Reserved 33 * 34 * University Acknowledgment- Portions of this document are derived from 35 * software developed by the University of California, Berkeley, and its 36 * contributors. 37 */ 38 39 #ifndef _SYS_VNODE_H 40 #define _SYS_VNODE_H 41 42 #pragma ident "%Z%%M% %I% %E% SMI" 43 44 #include <sys/types.h> 45 #include <sys/t_lock.h> 46 #include <sys/rwstlock.h> 47 #include <sys/time_impl.h> 48 #include <sys/cred.h> 49 #include <sys/uio.h> 50 #include <sys/resource.h> 51 #include <vm/seg_enum.h> 52 #include <sys/kstat.h> 53 #include <sys/kmem.h> 54 #ifdef _KERNEL 55 #include <sys/buf.h> 56 #endif /* _KERNEL */ 57 58 #ifdef __cplusplus 59 extern "C" { 60 #endif 61 62 /* 63 * Statistics for all vnode operations. 64 * All operations record number of ops (since boot/mount/zero'ed). 65 * Certain I/O operations (read, write, readdir) also record number 66 * of bytes transferred. 67 * This appears in two places in the system: one is embedded in each 68 * vfs_t. There is also an array of vopstats_t structures allocated 69 * on a per-fstype basis. 70 */ 71 72 #define VOPSTATS_STR "vopstats_" /* Initial string for vopstat kstats */ 73 74 typedef struct vopstats { 75 kstat_named_t nopen; /* VOP_OPEN */ 76 kstat_named_t nclose; /* VOP_CLOSE */ 77 kstat_named_t nread; /* VOP_READ */ 78 kstat_named_t read_bytes; 79 kstat_named_t nwrite; /* VOP_WRITE */ 80 kstat_named_t write_bytes; 81 kstat_named_t nioctl; /* VOP_IOCTL */ 82 kstat_named_t nsetfl; /* VOP_SETFL */ 83 kstat_named_t ngetattr; /* VOP_GETATTR */ 84 kstat_named_t nsetattr; /* VOP_SETATTR */ 85 kstat_named_t naccess; /* VOP_ACCESS */ 86 kstat_named_t nlookup; /* VOP_LOOKUP */ 87 kstat_named_t ncreate; /* VOP_CREATE */ 88 kstat_named_t nremove; /* VOP_REMOVE */ 89 kstat_named_t nlink; /* VOP_LINK */ 90 kstat_named_t nrename; /* VOP_RENAME */ 91 kstat_named_t nmkdir; /* VOP_MKDIR */ 92 kstat_named_t nrmdir; /* VOP_RMDIR */ 93 kstat_named_t nreaddir; /* VOP_READDIR */ 94 kstat_named_t readdir_bytes; 95 kstat_named_t nsymlink; /* VOP_SYMLINK */ 96 kstat_named_t nreadlink; /* VOP_READLINK */ 97 kstat_named_t nfsync; /* VOP_FSYNC */ 98 kstat_named_t ninactive; /* VOP_INACTIVE */ 99 kstat_named_t nfid; /* VOP_FID */ 100 kstat_named_t nrwlock; /* VOP_RWLOCK */ 101 kstat_named_t nrwunlock; /* VOP_RWUNLOCK */ 102 kstat_named_t nseek; /* VOP_SEEK */ 103 kstat_named_t ncmp; /* VOP_CMP */ 104 kstat_named_t nfrlock; /* VOP_FRLOCK */ 105 kstat_named_t nspace; /* VOP_SPACE */ 106 kstat_named_t nrealvp; /* VOP_REALVP */ 107 kstat_named_t ngetpage; /* VOP_GETPAGE */ 108 kstat_named_t nputpage; /* VOP_PUTPAGE */ 109 kstat_named_t nmap; /* VOP_MAP */ 110 kstat_named_t naddmap; /* VOP_ADDMAP */ 111 kstat_named_t ndelmap; /* VOP_DELMAP */ 112 kstat_named_t npoll; /* VOP_POLL */ 113 kstat_named_t ndump; /* VOP_DUMP */ 114 kstat_named_t npathconf; /* VOP_PATHCONF */ 115 kstat_named_t npageio; /* VOP_PAGEIO */ 116 kstat_named_t ndumpctl; /* VOP_DUMPCTL */ 117 kstat_named_t ndispose; /* VOP_DISPOSE */ 118 kstat_named_t nsetsecattr; /* VOP_SETSECATTR */ 119 kstat_named_t ngetsecattr; /* VOP_GETSECATTR */ 120 kstat_named_t nshrlock; /* VOP_SHRLOCK */ 121 kstat_named_t nvnevent; /* VOP_VNEVENT */ 122 } vopstats_t; 123 124 /* 125 * The vnode is the focus of all file activity in UNIX. 126 * A vnode is allocated for each active file, each current 127 * directory, each mounted-on file, and the root. 128 * 129 * Each vnode is usually associated with a file-system-specific node (for 130 * UFS, this is the in-memory inode). Generally, a vnode and an fs-node 131 * should be created and destroyed together as a pair. 132 * 133 * If a vnode is reused for a new file, it should be reinitialized by calling 134 * either vn_reinit() or vn_recycle(). 135 * 136 * vn_reinit() resets the entire vnode as if it was returned by vn_alloc(). 137 * The caller is responsible for setting up the entire vnode after calling 138 * vn_reinit(). This is important when using kmem caching where the vnode is 139 * allocated by a constructor, for instance. 140 * 141 * vn_recycle() is used when the file system keeps some state around in both 142 * the vnode and the associated FS-node. In UFS, for example, the inode of 143 * a deleted file can be reused immediately. The v_data, v_vfsp, v_op, etc. 144 * remains the same but certain fields related to the previous instance need 145 * to be reset. In particular: 146 * v_femhead 147 * v_path 148 * v_rdcnt, v_wrcnt 149 * v_mmap_read, v_mmap_write 150 */ 151 152 /* 153 * vnode types. VNON means no type. These values are unrelated to 154 * values in on-disk inodes. 155 */ 156 typedef enum vtype { 157 VNON = 0, 158 VREG = 1, 159 VDIR = 2, 160 VBLK = 3, 161 VCHR = 4, 162 VLNK = 5, 163 VFIFO = 6, 164 VDOOR = 7, 165 VPROC = 8, 166 VSOCK = 9, 167 VPORT = 10, 168 VBAD = 11 169 } vtype_t; 170 171 /* 172 * Many of the fields in the vnode are read-only once they are initialized 173 * at vnode creation time. Other fields are protected by locks. 174 * 175 * IMPORTANT: vnodes should be created ONLY by calls to vn_alloc(). They 176 * may not be embedded into the file-system specific node (inode). The 177 * size of vnodes may change. 178 * 179 * The v_lock protects: 180 * v_flag 181 * v_stream 182 * v_count 183 * v_shrlocks 184 * v_path 185 * 186 * A special lock (implemented by vn_vfswlock in vnode.c) protects: 187 * v_vfsmountedhere 188 * 189 * The global flock_lock mutex (in flock.c) protects: 190 * v_filocks 191 * 192 * IMPORTANT NOTE: 193 * 194 * The following vnode fields are considered public and may safely be 195 * accessed by file systems or other consumers: 196 * 197 * v_lock 198 * v_flag 199 * v_count 200 * v_data 201 * v_vfsp 202 * v_stream 203 * v_type 204 * v_rdev 205 * 206 * ALL OTHER FIELDS SHOULD BE ACCESSED ONLY BY THE OWNER OF THAT FIELD. 207 * In particular, file systems should not access other fields; they may 208 * change or even be removed. The functionality which was once provided 209 * by these fields is available through vn_* functions. 210 */ 211 212 struct fem_head; /* from fem.h */ 213 214 typedef struct vnode { 215 kmutex_t v_lock; /* protects vnode fields */ 216 uint_t v_flag; /* vnode flags (see below) */ 217 uint_t v_count; /* reference count */ 218 void *v_data; /* private data for fs */ 219 struct vfs *v_vfsp; /* ptr to containing VFS */ 220 struct stdata *v_stream; /* associated stream */ 221 enum vtype v_type; /* vnode type */ 222 dev_t v_rdev; /* device (VCHR, VBLK) */ 223 224 /* PRIVATE FIELDS BELOW - DO NOT USE */ 225 226 struct vfs *v_vfsmountedhere; /* ptr to vfs mounted here */ 227 struct vnodeops *v_op; /* vnode operations */ 228 struct page *v_pages; /* vnode pages list */ 229 pgcnt_t v_npages; /* # pages on this vnode */ 230 pgcnt_t v_msnpages; /* # pages charged to v_mset */ 231 struct page *v_scanfront; /* scanner front hand */ 232 struct page *v_scanback; /* scanner back hand */ 233 struct filock *v_filocks; /* ptr to filock list */ 234 struct shrlocklist *v_shrlocks; /* ptr to shrlock list */ 235 krwlock_t v_nbllock; /* sync for NBMAND locks */ 236 kcondvar_t v_cv; /* synchronize locking */ 237 void *v_locality; /* hook for locality info */ 238 struct fem_head *v_femhead; /* fs monitoring */ 239 char *v_path; /* cached path */ 240 uint_t v_rdcnt; /* open for read count (VREG only) */ 241 uint_t v_wrcnt; /* open for write count (VREG only) */ 242 u_longlong_t v_mmap_read; /* mmap read count */ 243 u_longlong_t v_mmap_write; /* mmap write count */ 244 void *v_mpssdata; /* info for large page mappings */ 245 hrtime_t v_scantime; /* last time this vnode was scanned */ 246 ushort_t v_mset; /* memory set ID */ 247 uint_t v_msflags; /* memory set flags */ 248 struct vnode *v_msnext; /* list of vnodes on an mset */ 249 struct vnode *v_msprev; /* list of vnodes on an mset */ 250 krwlock_t v_mslock; /* protects v_mset */ 251 void *v_fopdata; /* list of file ops event watches */ 252 } vnode_t; 253 254 #define IS_DEVVP(vp) \ 255 ((vp)->v_type == VCHR || (vp)->v_type == VBLK || (vp)->v_type == VFIFO) 256 257 /* 258 * vnode flags. 259 */ 260 #define VROOT 0x01 /* root of its file system */ 261 #define VNOCACHE 0x02 /* don't keep cache pages on vnode */ 262 #define VNOMAP 0x04 /* file cannot be mapped/faulted */ 263 #define VDUP 0x08 /* file should be dup'ed rather then opened */ 264 #define VNOSWAP 0x10 /* file cannot be used as virtual swap device */ 265 #define VNOMOUNT 0x20 /* file cannot be covered by mount */ 266 #define VISSWAP 0x40 /* vnode is being used for swap */ 267 #define VSWAPLIKE 0x80 /* vnode acts like swap (but may not be) */ 268 269 #define IS_SWAPVP(vp) (((vp)->v_flag & (VISSWAP | VSWAPLIKE)) != 0) 270 271 typedef struct vn_vfslocks_entry { 272 rwstlock_t ve_lock; 273 void *ve_vpvfs; 274 struct vn_vfslocks_entry *ve_next; 275 uint32_t ve_refcnt; 276 char pad[64 - sizeof (rwstlock_t) - 2 * sizeof (void *) - \ 277 sizeof (uint32_t)]; 278 } vn_vfslocks_entry_t; 279 280 /* 281 * The following two flags are used to lock the v_vfsmountedhere field 282 */ 283 #define VVFSLOCK 0x100 284 #define VVFSWAIT 0x200 285 286 /* 287 * Used to serialize VM operations on a vnode 288 */ 289 #define VVMLOCK 0x400 290 291 /* 292 * Tell vn_open() not to fail a directory open for writing but 293 * to go ahead and call VOP_OPEN() to let the filesystem check. 294 */ 295 #define VDIROPEN 0x800 296 297 /* 298 * Flag to let the VM system know that this file is most likely a binary 299 * or shared library since it has been mmap()ed EXEC at some time. 300 */ 301 #define VVMEXEC 0x1000 302 303 #define VPXFS 0x2000 /* clustering: global fs proxy vnode */ 304 305 #define IS_PXFSVP(vp) ((vp)->v_flag & VPXFS) 306 307 #define V_XATTRDIR 0x4000 /* attribute unnamed directory */ 308 309 #define V_LOCALITY 0x8000 /* whether locality aware */ 310 311 /* 312 * Flag that indicates the VM should maintain the v_pages list with all modified 313 * pages on one end and unmodified pages at the other. This makes finding dirty 314 * pages to write back to disk much faster at the expense of taking a minor 315 * fault on the first store instruction which touches a writable page. 316 */ 317 #define VMODSORT (0x10000) 318 #define IS_VMODSORT(vp) \ 319 (pvn_vmodsort_supported != 0 && ((vp)->v_flag & VMODSORT) != 0) 320 321 #define VISSWAPFS 0x20000 /* vnode is being used for swapfs */ 322 #define IS_SWAPFSVP(vp) (((vp)->v_flag & VISSWAPFS) != 0) 323 324 /* 325 * Vnode attributes. A bit-mask is supplied as part of the 326 * structure to indicate the attributes the caller wants to 327 * set (setattr) or extract (getattr). 328 */ 329 330 /* 331 * Note that va_nodeid and va_nblocks are 64bit data type. 332 * We support large files over NFSV3. With Solaris client and 333 * Server that generates 64bit ino's and sizes these fields 334 * will overflow if they are 32 bit sizes. 335 */ 336 337 typedef struct vattr { 338 uint_t va_mask; /* bit-mask of attributes */ 339 vtype_t va_type; /* vnode type (for create) */ 340 mode_t va_mode; /* file access mode */ 341 uid_t va_uid; /* owner user id */ 342 gid_t va_gid; /* owner group id */ 343 dev_t va_fsid; /* file system id (dev for now) */ 344 u_longlong_t va_nodeid; /* node id */ 345 nlink_t va_nlink; /* number of references to file */ 346 u_offset_t va_size; /* file size in bytes */ 347 timestruc_t va_atime; /* time of last access */ 348 timestruc_t va_mtime; /* time of last modification */ 349 timestruc_t va_ctime; /* time of last status change */ 350 dev_t va_rdev; /* device the file represents */ 351 uint_t va_blksize; /* fundamental block size */ 352 u_longlong_t va_nblocks; /* # of blocks allocated */ 353 uint_t va_seq; /* sequence number */ 354 } vattr_t; 355 356 #ifdef _SYSCALL32 357 /* 358 * For bigtypes time_t changed to 64 bit on the 64-bit kernel. 359 * Define an old version for user/kernel interface 360 */ 361 362 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 363 #pragma pack(4) 364 #endif 365 366 typedef struct vattr32 { 367 uint32_t va_mask; /* bit-mask of attributes */ 368 vtype_t va_type; /* vnode type (for create) */ 369 mode32_t va_mode; /* file access mode */ 370 uid32_t va_uid; /* owner user id */ 371 gid32_t va_gid; /* owner group id */ 372 dev32_t va_fsid; /* file system id (dev for now) */ 373 u_longlong_t va_nodeid; /* node id */ 374 nlink_t va_nlink; /* number of references to file */ 375 u_offset_t va_size; /* file size in bytes */ 376 timestruc32_t va_atime; /* time of last access */ 377 timestruc32_t va_mtime; /* time of last modification */ 378 timestruc32_t va_ctime; /* time of last status change */ 379 dev32_t va_rdev; /* device the file represents */ 380 uint32_t va_blksize; /* fundamental block size */ 381 u_longlong_t va_nblocks; /* # of blocks allocated */ 382 uint32_t va_seq; /* sequence number */ 383 } vattr32_t; 384 385 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 386 #pragma pack() 387 #endif 388 389 #else /* not _SYSCALL32 */ 390 #define vattr32 vattr 391 typedef vattr_t vattr32_t; 392 #endif /* _SYSCALL32 */ 393 394 /* 395 * Attributes of interest to the caller of setattr or getattr. 396 */ 397 #define AT_TYPE 0x0001 398 #define AT_MODE 0x0002 399 #define AT_UID 0x0004 400 #define AT_GID 0x0008 401 #define AT_FSID 0x0010 402 #define AT_NODEID 0x0020 403 #define AT_NLINK 0x0040 404 #define AT_SIZE 0x0080 405 #define AT_ATIME 0x0100 406 #define AT_MTIME 0x0200 407 #define AT_CTIME 0x0400 408 #define AT_RDEV 0x0800 409 #define AT_BLKSIZE 0x1000 410 #define AT_NBLOCKS 0x2000 411 /* 0x4000 */ /* unused */ 412 #define AT_SEQ 0x8000 413 414 #define AT_ALL (AT_TYPE|AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|\ 415 AT_NLINK|AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|\ 416 AT_RDEV|AT_BLKSIZE|AT_NBLOCKS|AT_SEQ) 417 418 #define AT_STAT (AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|AT_NLINK|\ 419 AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|AT_RDEV|AT_TYPE) 420 421 #define AT_TIMES (AT_ATIME|AT_MTIME|AT_CTIME) 422 423 #define AT_NOSET (AT_NLINK|AT_RDEV|AT_FSID|AT_NODEID|AT_TYPE|\ 424 AT_BLKSIZE|AT_NBLOCKS|AT_SEQ) 425 426 /* 427 * Modes. Some values same as S_xxx entries from stat.h for convenience. 428 */ 429 #define VSUID 04000 /* set user id on execution */ 430 #define VSGID 02000 /* set group id on execution */ 431 #define VSVTX 01000 /* save swapped text even after use */ 432 433 /* 434 * Permissions. 435 */ 436 #define VREAD 00400 437 #define VWRITE 00200 438 #define VEXEC 00100 439 440 #define MODEMASK 07777 /* mode bits plus permission bits */ 441 #define PERMMASK 00777 /* permission bits */ 442 443 /* 444 * Check whether mandatory file locking is enabled. 445 */ 446 447 #define MANDMODE(mode) (((mode) & (VSGID|(VEXEC>>3))) == VSGID) 448 #define MANDLOCK(vp, mode) ((vp)->v_type == VREG && MANDMODE(mode)) 449 450 /* 451 * Flags for vnode operations. 452 */ 453 enum rm { RMFILE, RMDIRECTORY }; /* rm or rmdir (remove) */ 454 enum symfollow { NO_FOLLOW, FOLLOW }; /* follow symlinks (or not) */ 455 enum vcexcl { NONEXCL, EXCL }; /* (non)excl create */ 456 enum create { CRCREAT, CRMKNOD, CRMKDIR }; /* reason for create */ 457 458 typedef enum rm rm_t; 459 typedef enum symfollow symfollow_t; 460 typedef enum vcexcl vcexcl_t; 461 typedef enum create create_t; 462 463 /* Vnode Events - Used by VOP_VNEVENT */ 464 typedef enum vnevent { 465 VE_SUPPORT = 0, /* Query */ 466 VE_RENAME_SRC = 1, /* Rename, with vnode as source */ 467 VE_RENAME_DEST = 2, /* Rename, with vnode as target/destination */ 468 VE_REMOVE = 3, /* Remove of vnode's name */ 469 VE_RMDIR = 4, /* Remove of directory vnode's name */ 470 VE_CREATE = 5, /* Create with vnode's name which exists */ 471 VE_LINK = 6, /* Link with vnode's name as source */ 472 VE_RENAME_DEST_DIR = 7, /* Rename with vnode as target dir */ 473 VE_MOUNTEDOVER = 8 /* File or Filesystem got mounted over vnode */ 474 } vnevent_t; 475 476 /* 477 * Values for checking vnode open and map counts 478 */ 479 enum v_mode { V_READ, V_WRITE, V_RDORWR, V_RDANDWR }; 480 481 typedef enum v_mode v_mode_t; 482 483 #define V_TRUE 1 484 #define V_FALSE 0 485 486 /* 487 * Structure used on VOP_GETSECATTR and VOP_SETSECATTR operations 488 */ 489 490 typedef struct vsecattr { 491 uint_t vsa_mask; /* See below */ 492 int vsa_aclcnt; /* ACL entry count */ 493 void *vsa_aclentp; /* pointer to ACL entries */ 494 int vsa_dfaclcnt; /* default ACL entry count */ 495 void *vsa_dfaclentp; /* pointer to default ACL entries */ 496 } vsecattr_t; 497 498 /* vsa_mask values */ 499 #define VSA_ACL 0x0001 500 #define VSA_ACLCNT 0x0002 501 #define VSA_DFACL 0x0004 502 #define VSA_DFACLCNT 0x0008 503 #define VSA_ACE 0x0010 504 #define VSA_ACECNT 0x0020 505 506 /* 507 * Structure used by various vnode operations to determine 508 * the context (pid, host, identity) of a caller. 509 * 510 * The cc_caller_id is used to identify one or more callers who invoke 511 * operations, possibly on behalf of others. For example, the NFS 512 * server could have it's own cc_caller_id which can be detected by 513 * vnode/vfs operations or (FEM) monitors on those operations. New 514 * caller IDs are generated by fs_new_caller_id(). 515 */ 516 typedef struct caller_context { 517 pid_t cc_pid; /* Process ID of the caller */ 518 int cc_sysid; /* System ID, used for remote calls */ 519 u_longlong_t cc_caller_id; /* Identifier for (set of) caller(s) */ 520 } caller_context_t; 521 522 /* 523 * Structure tags for function prototypes, defined elsewhere. 524 */ 525 struct pathname; 526 struct fid; 527 struct flock64; 528 struct flk_callback; 529 struct shrlock; 530 struct page; 531 struct seg; 532 struct as; 533 struct pollhead; 534 535 #ifdef _KERNEL 536 537 /* 538 * VNODE_OPS defines all the vnode operations. It is used to define 539 * the vnodeops structure (below) and the fs_func_p union (vfs_opreg.h). 540 */ 541 #define VNODE_OPS \ 542 int (*vop_open)(vnode_t **, int, cred_t *); \ 543 int (*vop_close)(vnode_t *, int, int, offset_t, cred_t *); \ 544 int (*vop_read)(vnode_t *, uio_t *, int, cred_t *, \ 545 caller_context_t *); \ 546 int (*vop_write)(vnode_t *, uio_t *, int, cred_t *, \ 547 caller_context_t *); \ 548 int (*vop_ioctl)(vnode_t *, int, intptr_t, int, cred_t *, \ 549 int *); \ 550 int (*vop_setfl)(vnode_t *, int, int, cred_t *); \ 551 int (*vop_getattr)(vnode_t *, vattr_t *, int, cred_t *); \ 552 int (*vop_setattr)(vnode_t *, vattr_t *, int, cred_t *, \ 553 caller_context_t *); \ 554 int (*vop_access)(vnode_t *, int, int, cred_t *); \ 555 int (*vop_lookup)(vnode_t *, char *, vnode_t **, \ 556 struct pathname *, \ 557 int, vnode_t *, cred_t *); \ 558 int (*vop_create)(vnode_t *, char *, vattr_t *, vcexcl_t, \ 559 int, vnode_t **, cred_t *, int); \ 560 int (*vop_remove)(vnode_t *, char *, cred_t *); \ 561 int (*vop_link)(vnode_t *, vnode_t *, char *, cred_t *); \ 562 int (*vop_rename)(vnode_t *, char *, vnode_t *, char *, \ 563 cred_t *); \ 564 int (*vop_mkdir)(vnode_t *, char *, vattr_t *, vnode_t **, \ 565 cred_t *); \ 566 int (*vop_rmdir)(vnode_t *, char *, vnode_t *, cred_t *); \ 567 int (*vop_readdir)(vnode_t *, uio_t *, cred_t *, int *); \ 568 int (*vop_symlink)(vnode_t *, char *, vattr_t *, char *, \ 569 cred_t *); \ 570 int (*vop_readlink)(vnode_t *, uio_t *, cred_t *); \ 571 int (*vop_fsync)(vnode_t *, int, cred_t *); \ 572 void (*vop_inactive)(vnode_t *, cred_t *); \ 573 int (*vop_fid)(vnode_t *, struct fid *); \ 574 int (*vop_rwlock)(vnode_t *, int, caller_context_t *); \ 575 void (*vop_rwunlock)(vnode_t *, int, caller_context_t *); \ 576 int (*vop_seek)(vnode_t *, offset_t, offset_t *); \ 577 int (*vop_cmp)(vnode_t *, vnode_t *); \ 578 int (*vop_frlock)(vnode_t *, int, struct flock64 *, \ 579 int, offset_t, \ 580 struct flk_callback *, cred_t *); \ 581 int (*vop_space)(vnode_t *, int, struct flock64 *, \ 582 int, offset_t, \ 583 cred_t *, caller_context_t *); \ 584 int (*vop_realvp)(vnode_t *, vnode_t **); \ 585 int (*vop_getpage)(vnode_t *, offset_t, size_t, uint_t *, \ 586 struct page **, size_t, struct seg *, \ 587 caddr_t, enum seg_rw, cred_t *); \ 588 int (*vop_putpage)(vnode_t *, offset_t, size_t, \ 589 int, cred_t *); \ 590 int (*vop_map)(vnode_t *, offset_t, struct as *, \ 591 caddr_t *, size_t, \ 592 uchar_t, uchar_t, uint_t, cred_t *); \ 593 int (*vop_addmap)(vnode_t *, offset_t, struct as *, \ 594 caddr_t, size_t, \ 595 uchar_t, uchar_t, uint_t, cred_t *); \ 596 int (*vop_delmap)(vnode_t *, offset_t, struct as *, \ 597 caddr_t, size_t, \ 598 uint_t, uint_t, uint_t, cred_t *); \ 599 int (*vop_poll)(vnode_t *, short, int, short *, \ 600 struct pollhead **); \ 601 int (*vop_dump)(vnode_t *, caddr_t, int, int); \ 602 int (*vop_pathconf)(vnode_t *, int, ulong_t *, cred_t *); \ 603 int (*vop_pageio)(vnode_t *, struct page *, \ 604 u_offset_t, size_t, int, cred_t *); \ 605 int (*vop_dumpctl)(vnode_t *, int, int *); \ 606 void (*vop_dispose)(vnode_t *, struct page *, \ 607 int, int, cred_t *); \ 608 int (*vop_setsecattr)(vnode_t *, vsecattr_t *, \ 609 int, cred_t *); \ 610 int (*vop_getsecattr)(vnode_t *, vsecattr_t *, \ 611 int, cred_t *); \ 612 int (*vop_shrlock)(vnode_t *, int, struct shrlock *, \ 613 int, cred_t *); \ 614 int (*vop_vnevent)(vnode_t *, vnevent_t, vnode_t *, char *) \ 615 /* NB: No ";" */ 616 617 /* 618 * Operations on vnodes. Note: File systems must never operate directly 619 * on a 'vnodeops' structure -- it WILL change in future releases! They 620 * must use vn_make_ops() to create the structure. 621 */ 622 typedef struct vnodeops { 623 const char *vnop_name; 624 VNODE_OPS; /* Signatures of all vnode operations (vops) */ 625 } vnodeops_t; 626 627 typedef int (*fs_generic_func_p) (); /* Generic vop/vfsop/femop/fsemop ptr */ 628 629 extern int fop_open(vnode_t **, int, cred_t *); 630 extern int fop_close(vnode_t *, int, int, offset_t, cred_t *); 631 extern int fop_read(vnode_t *, uio_t *, int, cred_t *, caller_context_t *); 632 extern int fop_write(vnode_t *, uio_t *, int, cred_t *, 633 caller_context_t *); 634 extern int fop_ioctl(vnode_t *, int, intptr_t, int, cred_t *, int *); 635 extern int fop_setfl(vnode_t *, int, int, cred_t *); 636 extern int fop_getattr(vnode_t *, vattr_t *, int, cred_t *); 637 extern int fop_setattr(vnode_t *, vattr_t *, int, cred_t *, 638 caller_context_t *); 639 extern int fop_access(vnode_t *, int, int, cred_t *); 640 extern int fop_lookup(vnode_t *, char *, vnode_t **, struct pathname *, 641 int, vnode_t *, cred_t *); 642 extern int fop_create(vnode_t *, char *, vattr_t *, vcexcl_t, int, 643 vnode_t **, cred_t *, int); 644 extern int fop_remove(vnode_t *vp, char *, cred_t *); 645 extern int fop_link(vnode_t *, vnode_t *, char *, cred_t *); 646 extern int fop_rename(vnode_t *, char *, vnode_t *, char *, cred_t *); 647 extern int fop_mkdir(vnode_t *, char *, vattr_t *, vnode_t **, cred_t *); 648 extern int fop_rmdir(vnode_t *, char *, vnode_t *, cred_t *); 649 extern int fop_readdir(vnode_t *, uio_t *, cred_t *, int *); 650 extern int fop_symlink(vnode_t *, char *, vattr_t *, char *, cred_t *); 651 extern int fop_readlink(vnode_t *, uio_t *, cred_t *); 652 extern int fop_fsync(vnode_t *, int, cred_t *); 653 extern void fop_inactive(vnode_t *, cred_t *); 654 extern int fop_fid(vnode_t *, struct fid *); 655 extern int fop_rwlock(vnode_t *, int, caller_context_t *); 656 extern void fop_rwunlock(vnode_t *, int, caller_context_t *); 657 extern int fop_seek(vnode_t *, offset_t, offset_t *); 658 extern int fop_cmp(vnode_t *, vnode_t *); 659 extern int fop_frlock(vnode_t *, int, struct flock64 *, int, offset_t, 660 struct flk_callback *, cred_t *); 661 extern int fop_space(vnode_t *, int, struct flock64 *, int, offset_t, 662 cred_t *, caller_context_t *); 663 extern int fop_realvp(vnode_t *, vnode_t **); 664 extern int fop_getpage(vnode_t *, offset_t, size_t, uint_t *, 665 struct page **, size_t, struct seg *, 666 caddr_t, enum seg_rw, cred_t *); 667 extern int fop_putpage(vnode_t *, offset_t, size_t, int, cred_t *); 668 extern int fop_map(vnode_t *, offset_t, struct as *, caddr_t *, size_t, 669 uchar_t, uchar_t, uint_t, cred_t *cr); 670 extern int fop_addmap(vnode_t *, offset_t, struct as *, caddr_t, size_t, 671 uchar_t, uchar_t, uint_t, cred_t *); 672 extern int fop_delmap(vnode_t *, offset_t, struct as *, caddr_t, size_t, 673 uint_t, uint_t, uint_t, cred_t *); 674 extern int fop_poll(vnode_t *, short, int, short *, struct pollhead **); 675 extern int fop_dump(vnode_t *, caddr_t, int, int); 676 extern int fop_pathconf(vnode_t *, int, ulong_t *, cred_t *); 677 extern int fop_pageio(vnode_t *, struct page *, u_offset_t, size_t, int, 678 cred_t *); 679 extern int fop_dumpctl(vnode_t *, int, int *); 680 extern void fop_dispose(vnode_t *, struct page *, int, int, cred_t *); 681 extern int fop_setsecattr(vnode_t *, vsecattr_t *, int, cred_t *); 682 extern int fop_getsecattr(vnode_t *, vsecattr_t *, int, cred_t *); 683 extern int fop_shrlock(vnode_t *, int, struct shrlock *, int, cred_t *); 684 extern int fop_vnevent(vnode_t *, vnevent_t, vnode_t *, char *); 685 686 #endif /* _KERNEL */ 687 688 #define VOP_OPEN(vpp, mode, cr) \ 689 fop_open(vpp, mode, cr) 690 #define VOP_CLOSE(vp, f, c, o, cr) \ 691 fop_close(vp, f, c, o, cr) 692 #define VOP_READ(vp, uiop, iof, cr, ct) \ 693 fop_read(vp, uiop, iof, cr, ct) 694 #define VOP_WRITE(vp, uiop, iof, cr, ct) \ 695 fop_write(vp, uiop, iof, cr, ct) 696 #define VOP_IOCTL(vp, cmd, a, f, cr, rvp) \ 697 fop_ioctl(vp, cmd, a, f, cr, rvp) 698 #define VOP_SETFL(vp, f, a, cr) \ 699 fop_setfl(vp, f, a, cr) 700 #define VOP_GETATTR(vp, vap, f, cr) \ 701 fop_getattr(vp, vap, f, cr) 702 #define VOP_SETATTR(vp, vap, f, cr, ct) \ 703 fop_setattr(vp, vap, f, cr, ct) 704 #define VOP_ACCESS(vp, mode, f, cr) \ 705 fop_access(vp, mode, f, cr) 706 #define VOP_LOOKUP(vp, cp, vpp, pnp, f, rdir, cr) \ 707 fop_lookup(vp, cp, vpp, pnp, f, rdir, cr) 708 #define VOP_CREATE(dvp, p, vap, ex, mode, vpp, cr, flag) \ 709 fop_create(dvp, p, vap, ex, mode, vpp, cr, flag) 710 #define VOP_REMOVE(dvp, p, cr) \ 711 fop_remove(dvp, p, cr) 712 #define VOP_LINK(tdvp, fvp, p, cr) \ 713 fop_link(tdvp, fvp, p, cr) 714 #define VOP_RENAME(fvp, fnm, tdvp, tnm, cr) \ 715 fop_rename(fvp, fnm, tdvp, tnm, cr) 716 #define VOP_MKDIR(dp, p, vap, vpp, cr) \ 717 fop_mkdir(dp, p, vap, vpp, cr) 718 #define VOP_RMDIR(dp, p, cdir, cr) \ 719 fop_rmdir(dp, p, cdir, cr) 720 #define VOP_READDIR(vp, uiop, cr, eofp) \ 721 fop_readdir(vp, uiop, cr, eofp) 722 #define VOP_SYMLINK(dvp, lnm, vap, tnm, cr) \ 723 fop_symlink(dvp, lnm, vap, tnm, cr) 724 #define VOP_READLINK(vp, uiop, cr) \ 725 fop_readlink(vp, uiop, cr) 726 #define VOP_FSYNC(vp, syncflag, cr) \ 727 fop_fsync(vp, syncflag, cr) 728 #define VOP_INACTIVE(vp, cr) \ 729 fop_inactive(vp, cr) 730 #define VOP_FID(vp, fidp) \ 731 fop_fid(vp, fidp) 732 #define VOP_RWLOCK(vp, w, ct) \ 733 fop_rwlock(vp, w, ct) 734 #define VOP_RWUNLOCK(vp, w, ct) \ 735 fop_rwunlock(vp, w, ct) 736 #define VOP_SEEK(vp, ooff, noffp) \ 737 fop_seek(vp, ooff, noffp) 738 #define VOP_CMP(vp1, vp2) \ 739 fop_cmp(vp1, vp2) 740 #define VOP_FRLOCK(vp, cmd, a, f, o, cb, cr) \ 741 fop_frlock(vp, cmd, a, f, o, cb, cr) 742 #define VOP_SPACE(vp, cmd, a, f, o, cr, ct) \ 743 fop_space(vp, cmd, a, f, o, cr, ct) 744 #define VOP_REALVP(vp1, vp2) \ 745 fop_realvp(vp1, vp2) 746 #define VOP_GETPAGE(vp, of, sz, pr, pl, ps, sg, a, rw, cr) \ 747 fop_getpage(vp, of, sz, pr, pl, ps, sg, a, rw, cr) 748 #define VOP_PUTPAGE(vp, of, sz, fl, cr) \ 749 fop_putpage(vp, of, sz, fl, cr) 750 #define VOP_MAP(vp, of, as, a, sz, p, mp, fl, cr) \ 751 fop_map(vp, of, as, a, sz, p, mp, fl, cr) 752 #define VOP_ADDMAP(vp, of, as, a, sz, p, mp, fl, cr) \ 753 fop_addmap(vp, of, as, a, sz, p, mp, fl, cr) 754 #define VOP_DELMAP(vp, of, as, a, sz, p, mp, fl, cr) \ 755 fop_delmap(vp, of, as, a, sz, p, mp, fl, cr) 756 #define VOP_POLL(vp, events, anyyet, reventsp, phpp) \ 757 fop_poll(vp, events, anyyet, reventsp, phpp) 758 #define VOP_DUMP(vp, addr, bn, count) \ 759 fop_dump(vp, addr, bn, count) 760 #define VOP_PATHCONF(vp, cmd, valp, cr) \ 761 fop_pathconf(vp, cmd, valp, cr) 762 #define VOP_PAGEIO(vp, pp, io_off, io_len, flags, cr) \ 763 fop_pageio(vp, pp, io_off, io_len, flags, cr) 764 #define VOP_DUMPCTL(vp, action, blkp) \ 765 fop_dumpctl(vp, action, blkp) 766 #define VOP_DISPOSE(vp, pp, flag, dn, cr) \ 767 fop_dispose(vp, pp, flag, dn, cr) 768 #define VOP_GETSECATTR(vp, vsap, f, cr) \ 769 fop_getsecattr(vp, vsap, f, cr) 770 #define VOP_SETSECATTR(vp, vsap, f, cr) \ 771 fop_setsecattr(vp, vsap, f, cr) 772 #define VOP_SHRLOCK(vp, cmd, shr, f, cr) \ 773 fop_shrlock(vp, cmd, shr, f, cr) 774 #define VOP_VNEVENT(vp, vnevent, dvp, fnm) \ 775 fop_vnevent(vp, vnevent, dvp, fnm) 776 777 #define VOPNAME_OPEN "open" 778 #define VOPNAME_CLOSE "close" 779 #define VOPNAME_READ "read" 780 #define VOPNAME_WRITE "write" 781 #define VOPNAME_IOCTL "ioctl" 782 #define VOPNAME_SETFL "setfl" 783 #define VOPNAME_GETATTR "getattr" 784 #define VOPNAME_SETATTR "setattr" 785 #define VOPNAME_ACCESS "access" 786 #define VOPNAME_LOOKUP "lookup" 787 #define VOPNAME_CREATE "create" 788 #define VOPNAME_REMOVE "remove" 789 #define VOPNAME_LINK "link" 790 #define VOPNAME_RENAME "rename" 791 #define VOPNAME_MKDIR "mkdir" 792 #define VOPNAME_RMDIR "rmdir" 793 #define VOPNAME_READDIR "readdir" 794 #define VOPNAME_SYMLINK "symlink" 795 #define VOPNAME_READLINK "readlink" 796 #define VOPNAME_FSYNC "fsync" 797 #define VOPNAME_INACTIVE "inactive" 798 #define VOPNAME_FID "fid" 799 #define VOPNAME_RWLOCK "rwlock" 800 #define VOPNAME_RWUNLOCK "rwunlock" 801 #define VOPNAME_SEEK "seek" 802 #define VOPNAME_CMP "cmp" 803 #define VOPNAME_FRLOCK "frlock" 804 #define VOPNAME_SPACE "space" 805 #define VOPNAME_REALVP "realvp" 806 #define VOPNAME_GETPAGE "getpage" 807 #define VOPNAME_PUTPAGE "putpage" 808 #define VOPNAME_MAP "map" 809 #define VOPNAME_ADDMAP "addmap" 810 #define VOPNAME_DELMAP "delmap" 811 #define VOPNAME_POLL "poll" 812 #define VOPNAME_DUMP "dump" 813 #define VOPNAME_PATHCONF "pathconf" 814 #define VOPNAME_PAGEIO "pageio" 815 #define VOPNAME_DUMPCTL "dumpctl" 816 #define VOPNAME_DISPOSE "dispose" 817 #define VOPNAME_GETSECATTR "getsecattr" 818 #define VOPNAME_SETSECATTR "setsecattr" 819 #define VOPNAME_SHRLOCK "shrlock" 820 #define VOPNAME_VNEVENT "vnevent" 821 822 /* 823 * Flags for VOP_LOOKUP 824 */ 825 #define LOOKUP_DIR 0x01 /* want parent dir vp */ 826 #define LOOKUP_XATTR 0x02 /* lookup up extended attr dir */ 827 #define CREATE_XATTR_DIR 0x04 /* Create extended attr dir */ 828 829 /* 830 * Flags for VOP_RWLOCK/VOP_RWUNLOCK 831 * VOP_RWLOCK will return the flag that was actually set, or -1 if none. 832 */ 833 #define V_WRITELOCK_TRUE (1) /* Request write-lock on the vnode */ 834 #define V_WRITELOCK_FALSE (0) /* Request read-lock on the vnode */ 835 836 /* 837 * Flags for VOP_DUMPCTL 838 */ 839 #define DUMP_ALLOC 0 840 #define DUMP_FREE 1 841 #define DUMP_SCAN 2 842 843 /* 844 * Public vnode manipulation functions. 845 */ 846 #ifdef _KERNEL 847 848 vnode_t *vn_alloc(int); 849 void vn_reinit(vnode_t *); 850 void vn_recycle(vnode_t *); 851 void vn_free(vnode_t *); 852 853 int vn_is_readonly(vnode_t *); 854 int vn_is_opened(vnode_t *, v_mode_t); 855 int vn_is_mapped(vnode_t *, v_mode_t); 856 857 int vn_can_change_zones(vnode_t *vp); 858 859 int vn_has_flocks(vnode_t *); 860 int vn_has_mandatory_locks(vnode_t *, int); 861 int vn_has_cached_data(vnode_t *); 862 863 void vn_setops(vnode_t *, vnodeops_t *); 864 vnodeops_t *vn_getops(vnode_t *); 865 int vn_matchops(vnode_t *, vnodeops_t *); 866 int vn_matchopval(vnode_t *, char *, fs_generic_func_p); 867 int vn_ismntpt(vnode_t *); 868 869 struct vfs *vn_mountedvfs(vnode_t *); 870 871 void vn_create_cache(void); 872 void vn_destroy_cache(void); 873 874 void vn_freevnodeops(vnodeops_t *); 875 876 int vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode, 877 struct vnode **vpp, enum create crwhy, mode_t umask); 878 int vn_openat(char *pnamep, enum uio_seg seg, int filemode, int createmode, 879 struct vnode **vpp, enum create crwhy, 880 mode_t umask, struct vnode *startvp); 881 int vn_create(char *pnamep, enum uio_seg seg, struct vattr *vap, 882 enum vcexcl excl, int mode, struct vnode **vpp, 883 enum create why, int flag, mode_t umask); 884 int vn_createat(char *pnamep, enum uio_seg seg, struct vattr *vap, 885 enum vcexcl excl, int mode, struct vnode **vpp, 886 enum create why, int flag, mode_t umask, struct vnode *startvp); 887 int vn_rdwr(enum uio_rw rw, struct vnode *vp, caddr_t base, ssize_t len, 888 offset_t offset, enum uio_seg seg, int ioflag, rlim64_t ulimit, 889 cred_t *cr, ssize_t *residp); 890 void vn_rele(struct vnode *vp); 891 void vn_rele_stream(struct vnode *vp); 892 int vn_link(char *from, char *to, enum uio_seg seg); 893 int vn_rename(char *from, char *to, enum uio_seg seg); 894 int vn_renameat(vnode_t *fdvp, char *fname, vnode_t *tdvp, char *tname, 895 enum uio_seg seg); 896 int vn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag); 897 int vn_removeat(vnode_t *startvp, char *fnamep, enum uio_seg seg, 898 enum rm dirflag); 899 int vn_compare(vnode_t *vp1, vnode_t *vp2); 900 int vn_vfswlock(struct vnode *vp); 901 int vn_vfswlock_wait(struct vnode *vp); 902 int vn_vfsrlock(struct vnode *vp); 903 int vn_vfsrlock_wait(struct vnode *vp); 904 void vn_vfsunlock(struct vnode *vp); 905 int vn_vfswlock_held(struct vnode *vp); 906 vnode_t *specvp(struct vnode *vp, dev_t dev, vtype_t type, struct cred *cr); 907 vnode_t *makespecvp(dev_t dev, vtype_t type); 908 vn_vfslocks_entry_t *vn_vfslocks_getlock(void *); 909 void vn_vfslocks_rele(vn_vfslocks_entry_t *); 910 911 void vn_copypath(struct vnode *src, struct vnode *dst); 912 void vn_setpath_str(struct vnode *vp, const char *str, size_t len); 913 void vn_setpath(vnode_t *rootvp, struct vnode *startvp, struct vnode *vp, 914 const char *path, size_t plen); 915 916 /* Vnode event notification */ 917 void vnevent_rename_src(vnode_t *, vnode_t *, char *); 918 void vnevent_rename_dest(vnode_t *, vnode_t *, char *); 919 void vnevent_remove(vnode_t *, vnode_t *, char *); 920 void vnevent_rmdir(vnode_t *, vnode_t *, char *); 921 void vnevent_create(vnode_t *); 922 void vnevent_link(vnode_t *); 923 void vnevent_rename_dest_dir(vnode_t *); 924 void vnevent_mountedover(vnode_t *); 925 int vnevent_support(vnode_t *); 926 927 /* Context identification */ 928 u_longlong_t fs_new_caller_id(); 929 930 int vn_vmpss_usepageio(vnode_t *); 931 932 /* 933 * Needed for use of IS_VMODSORT() in kernel. 934 */ 935 extern uint_t pvn_vmodsort_supported; 936 937 #define VN_HOLD(vp) { \ 938 mutex_enter(&(vp)->v_lock); \ 939 (vp)->v_count++; \ 940 mutex_exit(&(vp)->v_lock); \ 941 } 942 943 #define VN_RELE(vp) { \ 944 vn_rele(vp); \ 945 } 946 947 #define VN_SET_VFS_TYPE_DEV(vp, vfsp, type, dev) { \ 948 (vp)->v_vfsp = (vfsp); \ 949 (vp)->v_type = (type); \ 950 (vp)->v_rdev = (dev); \ 951 } 952 953 /* 954 * Compare two vnodes for equality. In general this macro should be used 955 * in preference to calling VOP_CMP directly. 956 */ 957 #define VN_CMP(VP1, VP2) ((VP1) == (VP2) ? 1 : \ 958 ((VP1) && (VP2) && (vn_getops(VP1) == vn_getops(VP2)) ? \ 959 VOP_CMP(VP1, VP2) : 0)) 960 961 extern struct vnode kvp; 962 extern struct vnode zvp; 963 964 #define VN_ISKAS(vp) ((vp) == &kvp || (vp) == &zvp) 965 966 #endif /* _KERNEL */ 967 968 /* 969 * Flags to VOP_SETATTR/VOP_GETATTR. 970 */ 971 #define ATTR_UTIME 0x01 /* non-default utime(2) request */ 972 #define ATTR_EXEC 0x02 /* invocation from exec(2) */ 973 #define ATTR_COMM 0x04 /* yield common vp attributes */ 974 #define ATTR_HINT 0x08 /* information returned will be `hint' */ 975 #define ATTR_REAL 0x10 /* yield attributes of the real vp */ 976 977 /* 978 * Generally useful macros. 979 */ 980 #define VBSIZE(vp) ((vp)->v_vfsp->vfs_bsize) 981 982 #define VTOZONE(vp) ((vp)->v_vfsp->vfs_zone) 983 984 #define NULLVP ((struct vnode *)0) 985 #define NULLVPP ((struct vnode **)0) 986 987 #ifdef _KERNEL 988 989 /* 990 * Structure used while handling asynchronous VOP_PUTPAGE operations. 991 */ 992 struct async_reqs { 993 struct async_reqs *a_next; /* pointer to next arg struct */ 994 struct vnode *a_vp; /* vnode pointer */ 995 u_offset_t a_off; /* offset in file */ 996 uint_t a_len; /* size of i/o request */ 997 int a_flags; /* flags to indicate operation type */ 998 struct cred *a_cred; /* cred pointer */ 999 ushort_t a_prealloced; /* set if struct is pre-allocated */ 1000 }; 1001 1002 /* 1003 * VN_DISPOSE() -- given a page pointer, safely invoke VOP_DISPOSE(). 1004 */ 1005 #define VN_DISPOSE(pp, flag, dn, cr) { \ 1006 extern struct vnode kvp; \ 1007 if ((pp)->p_vnode != NULL && !VN_ISKAS((pp)->p_vnode)) \ 1008 VOP_DISPOSE((pp)->p_vnode, (pp), (flag), (dn), (cr)); \ 1009 else if ((flag) == B_FREE) \ 1010 page_free((pp), (dn)); \ 1011 else \ 1012 page_destroy((pp), (dn)); \ 1013 } 1014 1015 #endif /* _KERNEL */ 1016 1017 #ifdef __cplusplus 1018 } 1019 #endif 1020 1021 #endif /* _SYS_VNODE_H */ 1022