1 /* 2 * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * Further, this software is distributed without any warranty that it is 13 * free of the rightful claim of any third person regarding infringement 14 * or the like. Any license provided herein, whether implied or 15 * otherwise, applies only to this software file. Patent licenses, if 16 * any, provided herein do not apply to combinations of this program with 17 * other software, or any other product whatsoever. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write the Free Software Foundation, Inc., 59 21 * Temple Place - Suite 330, Boston MA 02111-1307, USA. 22 * 23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 24 * Mountain View, CA 94043, or: 25 * 26 * http://www.sgi.com 27 * 28 * For further information regarding this notice, see: 29 * 30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ 31 */ 32 #ifndef __XFS_INODE_H__ 33 #define __XFS_INODE_H__ 34 35 /* 36 * File incore extent information, present for each of data & attr forks. 37 */ 38 #define XFS_INLINE_EXTS 2 39 #define XFS_INLINE_DATA 32 40 typedef struct xfs_ifork { 41 int if_bytes; /* bytes in if_u1 */ 42 int if_real_bytes; /* bytes allocated in if_u1 */ 43 xfs_bmbt_block_t *if_broot; /* file's incore btree root */ 44 short if_broot_bytes; /* bytes allocated for root */ 45 unsigned char if_flags; /* per-fork flags */ 46 unsigned char if_ext_max; /* max # of extent records */ 47 xfs_extnum_t if_lastex; /* last if_extents used */ 48 union { 49 xfs_bmbt_rec_t *if_extents; /* linear map file exts */ 50 char *if_data; /* inline file data */ 51 } if_u1; 52 union { 53 xfs_bmbt_rec_t if_inline_ext[XFS_INLINE_EXTS]; 54 /* very small file extents */ 55 char if_inline_data[XFS_INLINE_DATA]; 56 /* very small file data */ 57 xfs_dev_t if_rdev; /* dev number if special */ 58 uuid_t if_uuid; /* mount point value */ 59 } if_u2; 60 } xfs_ifork_t; 61 62 /* 63 * Flags for xfs_ichgtime(). 64 */ 65 #define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */ 66 #define XFS_ICHGTIME_ACC 0x2 /* data fork access timestamp */ 67 #define XFS_ICHGTIME_CHG 0x4 /* inode field change timestamp */ 68 69 /* 70 * Per-fork incore inode flags. 71 */ 72 #define XFS_IFINLINE 0x0001 /* Inline data is read in */ 73 #define XFS_IFEXTENTS 0x0002 /* All extent pointers are read in */ 74 #define XFS_IFBROOT 0x0004 /* i_broot points to the bmap b-tree root */ 75 76 /* 77 * Flags for xfs_imap() and xfs_dilocate(). 78 */ 79 #define XFS_IMAP_LOOKUP 0x1 80 81 /* 82 * Maximum number of extent pointers in if_u1.if_extents. 83 */ 84 #define XFS_MAX_INCORE_EXTENTS 32768 85 86 87 #ifdef __KERNEL__ 88 struct bhv_desc; 89 struct cred; 90 struct ktrace; 91 struct vnode; 92 struct xfs_buf; 93 struct xfs_bmap_free; 94 struct xfs_bmbt_irec; 95 struct xfs_bmbt_block; 96 struct xfs_inode; 97 struct xfs_inode_log_item; 98 struct xfs_mount; 99 struct xfs_trans; 100 struct xfs_dquot; 101 102 #if defined(XFS_ILOCK_TRACE) 103 #define XFS_ILOCK_KTRACE_SIZE 32 104 extern ktrace_t *xfs_ilock_trace_buf; 105 extern void xfs_ilock_trace(struct xfs_inode *, int, unsigned int, inst_t *); 106 #else 107 #define xfs_ilock_trace(i,n,f,ra) 108 #endif 109 110 /* 111 * This structure is used to communicate which extents of a file 112 * were holes when a write started from xfs_write_file() to 113 * xfs_strat_read(). This is necessary so that we can know which 114 * blocks need to be zeroed when they are read in in xfs_strat_read() 115 * if they weren\'t allocated when the buffer given to xfs_strat_read() 116 * was mapped. 117 * 118 * We keep a list of these attached to the inode. The list is 119 * protected by the inode lock and the fact that the io lock is 120 * held exclusively by writers. 121 */ 122 typedef struct xfs_gap { 123 struct xfs_gap *xg_next; 124 xfs_fileoff_t xg_offset_fsb; 125 xfs_extlen_t xg_count_fsb; 126 } xfs_gap_t; 127 128 typedef struct dm_attrs_s { 129 __uint32_t da_dmevmask; /* DMIG event mask */ 130 __uint16_t da_dmstate; /* DMIG state info */ 131 __uint16_t da_pad; /* DMIG extra padding */ 132 } dm_attrs_t; 133 134 typedef struct xfs_iocore { 135 void *io_obj; /* pointer to container 136 * inode or dcxvn structure */ 137 struct xfs_mount *io_mount; /* fs mount struct ptr */ 138 #ifdef DEBUG 139 mrlock_t *io_lock; /* inode IO lock */ 140 mrlock_t *io_iolock; /* inode IO lock */ 141 #endif 142 143 /* I/O state */ 144 xfs_fsize_t io_new_size; /* sz when write completes */ 145 146 /* Miscellaneous state. */ 147 unsigned int io_flags; /* IO related flags */ 148 149 /* DMAPI state */ 150 dm_attrs_t io_dmattrs; 151 152 } xfs_iocore_t; 153 154 #define io_dmevmask io_dmattrs.da_dmevmask 155 #define io_dmstate io_dmattrs.da_dmstate 156 157 #define XFS_IO_INODE(io) ((xfs_inode_t *) ((io)->io_obj)) 158 #define XFS_IO_DCXVN(io) ((dcxvn_t *) ((io)->io_obj)) 159 160 /* 161 * Flags in the flags field 162 */ 163 164 #define XFS_IOCORE_RT 0x1 165 166 /* 167 * xfs_iocore prototypes 168 */ 169 170 extern void xfs_iocore_inode_init(struct xfs_inode *); 171 extern void xfs_iocore_inode_reinit(struct xfs_inode *); 172 173 174 /* 175 * This is the type used in the xfs inode hash table. 176 * An array of these is allocated for each mounted 177 * file system to hash the inodes for that file system. 178 */ 179 typedef struct xfs_ihash { 180 struct xfs_inode *ih_next; 181 rwlock_t ih_lock; 182 uint ih_version; 183 } xfs_ihash_t; 184 185 #define XFS_IHASH(mp,ino) ((mp)->m_ihash + (((uint)(ino)) % (mp)->m_ihsize)) 186 187 /* 188 * This is the xfs inode cluster hash. This hash is used by xfs_iflush to 189 * find inodes that share a cluster and can be flushed to disk at the same 190 * time. 191 */ 192 typedef struct xfs_chashlist { 193 struct xfs_chashlist *chl_next; 194 struct xfs_inode *chl_ip; 195 xfs_daddr_t chl_blkno; /* starting block number of 196 * the cluster */ 197 struct xfs_buf *chl_buf; /* the inode buffer */ 198 } xfs_chashlist_t; 199 200 typedef struct xfs_chash { 201 xfs_chashlist_t *ch_list; 202 lock_t ch_lock; 203 } xfs_chash_t; 204 205 #define XFS_CHASH(mp,blk) ((mp)->m_chash + (((uint)blk) % (mp)->m_chsize)) 206 207 208 /* 209 * This is the xfs in-core inode structure. 210 * Most of the on-disk inode is embedded in the i_d field. 211 * 212 * The extent pointers/inline file space, however, are managed 213 * separately. The memory for this information is pointed to by 214 * the if_u1 unions depending on the type of the data. 215 * This is used to linearize the array of extents for fast in-core 216 * access. This is used until the file's number of extents 217 * surpasses XFS_MAX_INCORE_EXTENTS, at which point all extent pointers 218 * are accessed through the buffer cache. 219 * 220 * Other state kept in the in-core inode is used for identification, 221 * locking, transactional updating, etc of the inode. 222 * 223 * Generally, we do not want to hold the i_rlock while holding the 224 * i_ilock. Hierarchy is i_iolock followed by i_rlock. 225 * 226 * xfs_iptr_t contains all the inode fields upto and including the 227 * i_mnext and i_mprev fields, it is used as a marker in the inode 228 * chain off the mount structure by xfs_sync calls. 229 */ 230 231 typedef struct { 232 struct xfs_ihash *ip_hash; /* pointer to hash header */ 233 struct xfs_inode *ip_next; /* inode hash link forw */ 234 struct xfs_inode *ip_mnext; /* next inode in mount list */ 235 struct xfs_inode *ip_mprev; /* ptr to prev inode */ 236 struct xfs_inode **ip_prevp; /* ptr to prev i_next */ 237 struct xfs_mount *ip_mount; /* fs mount struct ptr */ 238 } xfs_iptr_t; 239 240 typedef struct xfs_inode { 241 /* Inode linking and identification information. */ 242 struct xfs_ihash *i_hash; /* pointer to hash header */ 243 struct xfs_inode *i_next; /* inode hash link forw */ 244 struct xfs_inode *i_mnext; /* next inode in mount list */ 245 struct xfs_inode *i_mprev; /* ptr to prev inode */ 246 struct xfs_inode **i_prevp; /* ptr to prev i_next */ 247 struct xfs_mount *i_mount; /* fs mount struct ptr */ 248 struct list_head i_reclaim; /* reclaim list */ 249 struct bhv_desc i_bhv_desc; /* inode behavior descriptor*/ 250 struct xfs_dquot *i_udquot; /* user dquot */ 251 struct xfs_dquot *i_gdquot; /* group dquot */ 252 253 /* Inode location stuff */ 254 xfs_ino_t i_ino; /* inode number (agno/agino)*/ 255 xfs_daddr_t i_blkno; /* blkno of inode buffer */ 256 ushort i_len; /* len of inode buffer */ 257 ushort i_boffset; /* off of inode in buffer */ 258 259 /* Extent information. */ 260 xfs_ifork_t *i_afp; /* attribute fork pointer */ 261 xfs_ifork_t i_df; /* data fork */ 262 263 /* Transaction and locking information. */ 264 struct xfs_trans *i_transp; /* ptr to owning transaction*/ 265 struct xfs_inode_log_item *i_itemp; /* logging information */ 266 mrlock_t i_lock; /* inode lock */ 267 mrlock_t i_iolock; /* inode IO lock */ 268 sema_t i_flock; /* inode flush lock */ 269 atomic_t i_pincount; /* inode pin count */ 270 wait_queue_head_t i_ipin_wait; /* inode pinning wait queue */ 271 #ifdef HAVE_REFCACHE 272 struct xfs_inode **i_refcache; /* ptr to entry in ref cache */ 273 struct xfs_inode *i_release; /* inode to unref */ 274 #endif 275 /* I/O state */ 276 xfs_iocore_t i_iocore; /* I/O core */ 277 278 /* Miscellaneous state. */ 279 unsigned short i_flags; /* see defined flags below */ 280 unsigned char i_update_core; /* timestamps/size is dirty */ 281 unsigned char i_update_size; /* di_size field is dirty */ 282 unsigned int i_gen; /* generation count */ 283 unsigned int i_delayed_blks; /* count of delay alloc blks */ 284 285 xfs_dinode_core_t i_d; /* most of ondisk inode */ 286 xfs_chashlist_t *i_chash; /* cluster hash list header */ 287 struct xfs_inode *i_cnext; /* cluster hash link forward */ 288 struct xfs_inode *i_cprev; /* cluster hash link backward */ 289 290 /* Trace buffers per inode. */ 291 #ifdef XFS_BMAP_TRACE 292 struct ktrace *i_xtrace; /* inode extent list trace */ 293 #endif 294 #ifdef XFS_BMBT_TRACE 295 struct ktrace *i_btrace; /* inode bmap btree trace */ 296 #endif 297 #ifdef XFS_RW_TRACE 298 struct ktrace *i_rwtrace; /* inode read/write trace */ 299 #endif 300 #ifdef XFS_ILOCK_TRACE 301 struct ktrace *i_lock_trace; /* inode lock/unlock trace */ 302 #endif 303 #ifdef XFS_DIR2_TRACE 304 struct ktrace *i_dir_trace; /* inode directory trace */ 305 #endif 306 } xfs_inode_t; 307 308 #endif /* __KERNEL__ */ 309 310 311 /* 312 * Fork handling. 313 */ 314 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_PTR) 315 xfs_ifork_t *xfs_ifork_ptr(xfs_inode_t *ip, int w); 316 #define XFS_IFORK_PTR(ip,w) xfs_ifork_ptr(ip,w) 317 #else 318 #define XFS_IFORK_PTR(ip,w) ((w) == XFS_DATA_FORK ? &(ip)->i_df : (ip)->i_afp) 319 #endif 320 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_Q) 321 int xfs_ifork_q(xfs_inode_t *ip); 322 #define XFS_IFORK_Q(ip) xfs_ifork_q(ip) 323 #else 324 #define XFS_IFORK_Q(ip) XFS_CFORK_Q(&(ip)->i_d) 325 #endif 326 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_DSIZE) 327 int xfs_ifork_dsize(xfs_inode_t *ip); 328 #define XFS_IFORK_DSIZE(ip) xfs_ifork_dsize(ip) 329 #else 330 #define XFS_IFORK_DSIZE(ip) XFS_CFORK_DSIZE(&ip->i_d, ip->i_mount) 331 #endif 332 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_ASIZE) 333 int xfs_ifork_asize(xfs_inode_t *ip); 334 #define XFS_IFORK_ASIZE(ip) xfs_ifork_asize(ip) 335 #else 336 #define XFS_IFORK_ASIZE(ip) XFS_CFORK_ASIZE(&ip->i_d, ip->i_mount) 337 #endif 338 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_SIZE) 339 int xfs_ifork_size(xfs_inode_t *ip, int w); 340 #define XFS_IFORK_SIZE(ip,w) xfs_ifork_size(ip,w) 341 #else 342 #define XFS_IFORK_SIZE(ip,w) XFS_CFORK_SIZE(&ip->i_d, ip->i_mount, w) 343 #endif 344 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_FORMAT) 345 int xfs_ifork_format(xfs_inode_t *ip, int w); 346 #define XFS_IFORK_FORMAT(ip,w) xfs_ifork_format(ip,w) 347 #else 348 #define XFS_IFORK_FORMAT(ip,w) XFS_CFORK_FORMAT(&ip->i_d, w) 349 #endif 350 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_FMT_SET) 351 void xfs_ifork_fmt_set(xfs_inode_t *ip, int w, int n); 352 #define XFS_IFORK_FMT_SET(ip,w,n) xfs_ifork_fmt_set(ip,w,n) 353 #else 354 #define XFS_IFORK_FMT_SET(ip,w,n) XFS_CFORK_FMT_SET(&ip->i_d, w, n) 355 #endif 356 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_NEXTENTS) 357 int xfs_ifork_nextents(xfs_inode_t *ip, int w); 358 #define XFS_IFORK_NEXTENTS(ip,w) xfs_ifork_nextents(ip,w) 359 #else 360 #define XFS_IFORK_NEXTENTS(ip,w) XFS_CFORK_NEXTENTS(&ip->i_d, w) 361 #endif 362 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_NEXT_SET) 363 void xfs_ifork_next_set(xfs_inode_t *ip, int w, int n); 364 #define XFS_IFORK_NEXT_SET(ip,w,n) xfs_ifork_next_set(ip,w,n) 365 #else 366 #define XFS_IFORK_NEXT_SET(ip,w,n) XFS_CFORK_NEXT_SET(&ip->i_d, w, n) 367 #endif 368 369 370 #ifdef __KERNEL__ 371 372 /* 373 * In-core inode flags. 374 */ 375 #define XFS_IGRIO 0x0001 /* inode used for guaranteed rate i/o */ 376 #define XFS_IUIOSZ 0x0002 /* inode i/o sizes have been explicitly set */ 377 #define XFS_IQUIESCE 0x0004 /* we have started quiescing for this inode */ 378 #define XFS_IRECLAIM 0x0008 /* we have started reclaiming this inode */ 379 #define XFS_ISTALE 0x0010 /* inode has been staled */ 380 #define XFS_IRECLAIMABLE 0x0020 /* inode can be reclaimed */ 381 #define XFS_INEW 0x0040 382 383 /* 384 * Flags for inode locking. 385 */ 386 #define XFS_IOLOCK_EXCL 0x001 387 #define XFS_IOLOCK_SHARED 0x002 388 #define XFS_ILOCK_EXCL 0x004 389 #define XFS_ILOCK_SHARED 0x008 390 #define XFS_IUNLOCK_NONOTIFY 0x010 391 #define XFS_EXTENT_TOKEN_RD 0x040 392 #define XFS_SIZE_TOKEN_RD 0x080 393 #define XFS_EXTSIZE_RD (XFS_EXTENT_TOKEN_RD|XFS_SIZE_TOKEN_RD) 394 #define XFS_WILLLEND 0x100 /* Always acquire tokens for lending */ 395 #define XFS_EXTENT_TOKEN_WR (XFS_EXTENT_TOKEN_RD | XFS_WILLLEND) 396 #define XFS_SIZE_TOKEN_WR (XFS_SIZE_TOKEN_RD | XFS_WILLLEND) 397 #define XFS_EXTSIZE_WR (XFS_EXTSIZE_RD | XFS_WILLLEND) 398 399 400 #define XFS_LOCK_MASK \ 401 (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED | XFS_ILOCK_EXCL | \ 402 XFS_ILOCK_SHARED | XFS_EXTENT_TOKEN_RD | XFS_SIZE_TOKEN_RD | \ 403 XFS_WILLLEND) 404 405 /* 406 * Flags for xfs_iflush() 407 */ 408 #define XFS_IFLUSH_DELWRI_ELSE_SYNC 1 409 #define XFS_IFLUSH_DELWRI_ELSE_ASYNC 2 410 #define XFS_IFLUSH_SYNC 3 411 #define XFS_IFLUSH_ASYNC 4 412 #define XFS_IFLUSH_DELWRI 5 413 414 /* 415 * Flags for xfs_iflush_all. 416 */ 417 #define XFS_FLUSH_ALL 0x1 418 419 /* 420 * Flags for xfs_itruncate_start(). 421 */ 422 #define XFS_ITRUNC_DEFINITE 0x1 423 #define XFS_ITRUNC_MAYBE 0x2 424 425 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ITOV) 426 struct vnode *xfs_itov(xfs_inode_t *ip); 427 #define XFS_ITOV(ip) xfs_itov(ip) 428 #else 429 #define XFS_ITOV(ip) BHV_TO_VNODE(XFS_ITOBHV(ip)) 430 #endif 431 #define XFS_ITOV_NULL(ip) BHV_TO_VNODE_NULL(XFS_ITOBHV(ip)) 432 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ITOBHV) 433 struct bhv_desc *xfs_itobhv(xfs_inode_t *ip); 434 #define XFS_ITOBHV(ip) xfs_itobhv(ip) 435 #else 436 #define XFS_ITOBHV(ip) ((struct bhv_desc *)(&((ip)->i_bhv_desc))) 437 #endif 438 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BHVTOI) 439 xfs_inode_t *xfs_bhvtoi(struct bhv_desc *bhvp); 440 #define XFS_BHVTOI(bhvp) xfs_bhvtoi(bhvp) 441 #else 442 #define XFS_BHVTOI(bhvp) \ 443 ((xfs_inode_t *)((char *)(bhvp) - \ 444 (char *)&(((xfs_inode_t *)0)->i_bhv_desc))) 445 #endif 446 447 #define BHV_IS_XFS(bdp) (BHV_OPS(bdp) == &xfs_vnodeops) 448 449 /* 450 * For multiple groups support: if S_ISGID bit is set in the parent 451 * directory, group of new file is set to that of the parent, and 452 * new subdirectory gets S_ISGID bit from parent. 453 */ 454 #define XFS_INHERIT_GID(pip, vfsp) \ 455 (((vfsp)->vfs_flag & VFS_GRPID) || ((pip)->i_d.di_mode & S_ISGID)) 456 457 /* 458 * xfs_iget.c prototypes. 459 */ 460 461 #define IGET_CREATE 1 462 463 void xfs_ihash_init(struct xfs_mount *); 464 void xfs_ihash_free(struct xfs_mount *); 465 void xfs_chash_init(struct xfs_mount *); 466 void xfs_chash_free(struct xfs_mount *); 467 xfs_inode_t *xfs_inode_incore(struct xfs_mount *, xfs_ino_t, 468 struct xfs_trans *); 469 void xfs_inode_lock_init(xfs_inode_t *, struct vnode *); 470 int xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, 471 uint, uint, xfs_inode_t **, xfs_daddr_t); 472 void xfs_iput(xfs_inode_t *, uint); 473 void xfs_iput_new(xfs_inode_t *, uint); 474 void xfs_ilock(xfs_inode_t *, uint); 475 int xfs_ilock_nowait(xfs_inode_t *, uint); 476 void xfs_iunlock(xfs_inode_t *, uint); 477 void xfs_ilock_demote(xfs_inode_t *, uint); 478 void xfs_iflock(xfs_inode_t *); 479 int xfs_iflock_nowait(xfs_inode_t *); 480 uint xfs_ilock_map_shared(xfs_inode_t *); 481 void xfs_iunlock_map_shared(xfs_inode_t *, uint); 482 void xfs_ifunlock(xfs_inode_t *); 483 void xfs_ireclaim(xfs_inode_t *); 484 int xfs_finish_reclaim(xfs_inode_t *, int, int); 485 int xfs_finish_reclaim_all(struct xfs_mount *, int); 486 487 /* 488 * xfs_inode.c prototypes. 489 */ 490 int xfs_inotobp(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, 491 xfs_dinode_t **, struct xfs_buf **, int *); 492 int xfs_itobp(struct xfs_mount *, struct xfs_trans *, 493 xfs_inode_t *, xfs_dinode_t **, struct xfs_buf **, 494 xfs_daddr_t); 495 int xfs_iread(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, 496 xfs_inode_t **, xfs_daddr_t); 497 int xfs_iread_extents(struct xfs_trans *, xfs_inode_t *, int); 498 int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t, nlink_t, 499 xfs_dev_t, struct cred *, xfs_prid_t, int, 500 struct xfs_buf **, boolean_t *, xfs_inode_t **); 501 void xfs_xlate_dinode_core(xfs_caddr_t, struct xfs_dinode_core *, 502 int); 503 uint xfs_ip2xflags(struct xfs_inode *); 504 uint xfs_dic2xflags(struct xfs_dinode_core *); 505 int xfs_ifree(struct xfs_trans *, xfs_inode_t *, 506 struct xfs_bmap_free *); 507 void xfs_itruncate_start(xfs_inode_t *, uint, xfs_fsize_t); 508 int xfs_itruncate_finish(struct xfs_trans **, xfs_inode_t *, 509 xfs_fsize_t, int, int); 510 int xfs_iunlink(struct xfs_trans *, xfs_inode_t *); 511 int xfs_igrow_start(xfs_inode_t *, xfs_fsize_t, struct cred *); 512 void xfs_igrow_finish(struct xfs_trans *, xfs_inode_t *, 513 xfs_fsize_t, int); 514 515 void xfs_idestroy_fork(xfs_inode_t *, int); 516 void xfs_idestroy(xfs_inode_t *); 517 void xfs_idata_realloc(xfs_inode_t *, int, int); 518 void xfs_iextract(xfs_inode_t *); 519 void xfs_iext_realloc(xfs_inode_t *, int, int); 520 void xfs_iroot_realloc(xfs_inode_t *, int, int); 521 void xfs_ipin(xfs_inode_t *); 522 void xfs_iunpin(xfs_inode_t *); 523 int xfs_iextents_copy(xfs_inode_t *, xfs_bmbt_rec_t *, int); 524 int xfs_iflush(xfs_inode_t *, uint); 525 int xfs_iflush_all(struct xfs_mount *, int); 526 int xfs_iaccess(xfs_inode_t *, mode_t, cred_t *); 527 uint xfs_iroundup(uint); 528 void xfs_ichgtime(xfs_inode_t *, int); 529 xfs_fsize_t xfs_file_last_byte(xfs_inode_t *); 530 void xfs_lock_inodes(xfs_inode_t **, int, int, uint); 531 532 #define xfs_ipincount(ip) ((unsigned int) atomic_read(&ip->i_pincount)) 533 534 #ifdef DEBUG 535 void xfs_isize_check(struct xfs_mount *, xfs_inode_t *, xfs_fsize_t); 536 #else /* DEBUG */ 537 #define xfs_isize_check(mp, ip, isize) 538 #endif /* DEBUG */ 539 540 #if defined(DEBUG) 541 void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *); 542 #else 543 #define xfs_inobp_check(mp, bp) 544 #endif /* DEBUG */ 545 546 extern struct kmem_zone *xfs_chashlist_zone; 547 extern struct kmem_zone *xfs_ifork_zone; 548 extern struct kmem_zone *xfs_inode_zone; 549 extern struct kmem_zone *xfs_ili_zone; 550 extern struct vnodeops xfs_vnodeops; 551 552 #endif /* __KERNEL__ */ 553 554 #endif /* __XFS_INODE_H__ */ 555