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 /* 186 * Inode hashing and hash bucket locking. 187 */ 188 #define XFS_BUCKETS(mp) (37*(mp)->m_sb.sb_agcount-1) 189 #define XFS_IHASH(mp,ino) ((mp)->m_ihash + (((uint)(ino)) % (mp)->m_ihsize)) 190 191 /* 192 * This is the xfs inode cluster hash. This hash is used by xfs_iflush to 193 * find inodes that share a cluster and can be flushed to disk at the same 194 * time. 195 */ 196 197 typedef struct xfs_chashlist { 198 struct xfs_chashlist *chl_next; 199 struct xfs_inode *chl_ip; 200 xfs_daddr_t chl_blkno; /* starting block number of 201 * the cluster */ 202 struct xfs_buf *chl_buf; /* the inode buffer */ 203 } xfs_chashlist_t; 204 205 typedef struct xfs_chash { 206 xfs_chashlist_t *ch_list; 207 lock_t ch_lock; 208 } xfs_chash_t; 209 210 211 /* 212 * This is the xfs in-core inode structure. 213 * Most of the on-disk inode is embedded in the i_d field. 214 * 215 * The extent pointers/inline file space, however, are managed 216 * separately. The memory for this information is pointed to by 217 * the if_u1 unions depending on the type of the data. 218 * This is used to linearize the array of extents for fast in-core 219 * access. This is used until the file's number of extents 220 * surpasses XFS_MAX_INCORE_EXTENTS, at which point all extent pointers 221 * are accessed through the buffer cache. 222 * 223 * Other state kept in the in-core inode is used for identification, 224 * locking, transactional updating, etc of the inode. 225 * 226 * Generally, we do not want to hold the i_rlock while holding the 227 * i_ilock. Hierarchy is i_iolock followed by i_rlock. 228 * 229 * xfs_iptr_t contains all the inode fields upto and including the 230 * i_mnext and i_mprev fields, it is used as a marker in the inode 231 * chain off the mount structure by xfs_sync calls. 232 */ 233 234 typedef struct { 235 struct xfs_ihash *ip_hash; /* pointer to hash header */ 236 struct xfs_inode *ip_next; /* inode hash link forw */ 237 struct xfs_inode *ip_mnext; /* next inode in mount list */ 238 struct xfs_inode *ip_mprev; /* ptr to prev inode */ 239 struct xfs_inode **ip_prevp; /* ptr to prev i_next */ 240 struct xfs_mount *ip_mount; /* fs mount struct ptr */ 241 } xfs_iptr_t; 242 243 typedef struct xfs_inode { 244 /* Inode linking and identification information. */ 245 struct xfs_ihash *i_hash; /* pointer to hash header */ 246 struct xfs_inode *i_next; /* inode hash link forw */ 247 struct xfs_inode *i_mnext; /* next inode in mount list */ 248 struct xfs_inode *i_mprev; /* ptr to prev inode */ 249 struct xfs_inode **i_prevp; /* ptr to prev i_next */ 250 struct xfs_mount *i_mount; /* fs mount struct ptr */ 251 struct list_head i_reclaim; /* reclaim list */ 252 struct bhv_desc i_bhv_desc; /* inode behavior descriptor*/ 253 struct xfs_dquot *i_udquot; /* user dquot */ 254 struct xfs_dquot *i_gdquot; /* group dquot */ 255 256 /* Inode location stuff */ 257 xfs_ino_t i_ino; /* inode number (agno/agino)*/ 258 xfs_daddr_t i_blkno; /* blkno of inode buffer */ 259 ushort i_len; /* len of inode buffer */ 260 ushort i_boffset; /* off of inode in buffer */ 261 262 /* Extent information. */ 263 xfs_ifork_t *i_afp; /* attribute fork pointer */ 264 xfs_ifork_t i_df; /* data fork */ 265 266 /* Transaction and locking information. */ 267 struct xfs_trans *i_transp; /* ptr to owning transaction*/ 268 struct xfs_inode_log_item *i_itemp; /* logging information */ 269 mrlock_t i_lock; /* inode lock */ 270 mrlock_t i_iolock; /* inode IO lock */ 271 sema_t i_flock; /* inode flush lock */ 272 atomic_t i_pincount; /* inode pin count */ 273 wait_queue_head_t i_ipin_wait; /* inode pinning wait queue */ 274 #ifdef HAVE_REFCACHE 275 struct xfs_inode **i_refcache; /* ptr to entry in ref cache */ 276 struct xfs_inode *i_release; /* inode to unref */ 277 #endif 278 /* I/O state */ 279 xfs_iocore_t i_iocore; /* I/O core */ 280 281 /* Miscellaneous state. */ 282 unsigned short i_flags; /* see defined flags below */ 283 unsigned char i_update_core; /* timestamps/size is dirty */ 284 unsigned char i_update_size; /* di_size field is dirty */ 285 unsigned int i_gen; /* generation count */ 286 unsigned int i_delayed_blks; /* count of delay alloc blks */ 287 288 xfs_dinode_core_t i_d; /* most of ondisk inode */ 289 xfs_chashlist_t *i_chash; /* cluster hash list header */ 290 struct xfs_inode *i_cnext; /* cluster hash link forward */ 291 struct xfs_inode *i_cprev; /* cluster hash link backward */ 292 293 /* Trace buffers per inode. */ 294 #ifdef XFS_BMAP_TRACE 295 struct ktrace *i_xtrace; /* inode extent list trace */ 296 #endif 297 #ifdef XFS_BMBT_TRACE 298 struct ktrace *i_btrace; /* inode bmap btree trace */ 299 #endif 300 #ifdef XFS_RW_TRACE 301 struct ktrace *i_rwtrace; /* inode read/write trace */ 302 #endif 303 #ifdef XFS_ILOCK_TRACE 304 struct ktrace *i_lock_trace; /* inode lock/unlock trace */ 305 #endif 306 #ifdef XFS_DIR2_TRACE 307 struct ktrace *i_dir_trace; /* inode directory trace */ 308 #endif 309 } xfs_inode_t; 310 311 #endif /* __KERNEL__ */ 312 313 314 /* 315 * Fork handling. 316 */ 317 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_PTR) 318 xfs_ifork_t *xfs_ifork_ptr(xfs_inode_t *ip, int w); 319 #define XFS_IFORK_PTR(ip,w) xfs_ifork_ptr(ip,w) 320 #else 321 #define XFS_IFORK_PTR(ip,w) ((w) == XFS_DATA_FORK ? &(ip)->i_df : (ip)->i_afp) 322 #endif 323 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_Q) 324 int xfs_ifork_q(xfs_inode_t *ip); 325 #define XFS_IFORK_Q(ip) xfs_ifork_q(ip) 326 #else 327 #define XFS_IFORK_Q(ip) XFS_CFORK_Q(&(ip)->i_d) 328 #endif 329 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_DSIZE) 330 int xfs_ifork_dsize(xfs_inode_t *ip); 331 #define XFS_IFORK_DSIZE(ip) xfs_ifork_dsize(ip) 332 #else 333 #define XFS_IFORK_DSIZE(ip) XFS_CFORK_DSIZE(&ip->i_d, ip->i_mount) 334 #endif 335 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_ASIZE) 336 int xfs_ifork_asize(xfs_inode_t *ip); 337 #define XFS_IFORK_ASIZE(ip) xfs_ifork_asize(ip) 338 #else 339 #define XFS_IFORK_ASIZE(ip) XFS_CFORK_ASIZE(&ip->i_d, ip->i_mount) 340 #endif 341 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_SIZE) 342 int xfs_ifork_size(xfs_inode_t *ip, int w); 343 #define XFS_IFORK_SIZE(ip,w) xfs_ifork_size(ip,w) 344 #else 345 #define XFS_IFORK_SIZE(ip,w) XFS_CFORK_SIZE(&ip->i_d, ip->i_mount, w) 346 #endif 347 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_FORMAT) 348 int xfs_ifork_format(xfs_inode_t *ip, int w); 349 #define XFS_IFORK_FORMAT(ip,w) xfs_ifork_format(ip,w) 350 #else 351 #define XFS_IFORK_FORMAT(ip,w) XFS_CFORK_FORMAT(&ip->i_d, w) 352 #endif 353 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_FMT_SET) 354 void xfs_ifork_fmt_set(xfs_inode_t *ip, int w, int n); 355 #define XFS_IFORK_FMT_SET(ip,w,n) xfs_ifork_fmt_set(ip,w,n) 356 #else 357 #define XFS_IFORK_FMT_SET(ip,w,n) XFS_CFORK_FMT_SET(&ip->i_d, w, n) 358 #endif 359 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_NEXTENTS) 360 int xfs_ifork_nextents(xfs_inode_t *ip, int w); 361 #define XFS_IFORK_NEXTENTS(ip,w) xfs_ifork_nextents(ip,w) 362 #else 363 #define XFS_IFORK_NEXTENTS(ip,w) XFS_CFORK_NEXTENTS(&ip->i_d, w) 364 #endif 365 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_NEXT_SET) 366 void xfs_ifork_next_set(xfs_inode_t *ip, int w, int n); 367 #define XFS_IFORK_NEXT_SET(ip,w,n) xfs_ifork_next_set(ip,w,n) 368 #else 369 #define XFS_IFORK_NEXT_SET(ip,w,n) XFS_CFORK_NEXT_SET(&ip->i_d, w, n) 370 #endif 371 372 373 #ifdef __KERNEL__ 374 375 /* 376 * In-core inode flags. 377 */ 378 #define XFS_IGRIO 0x0001 /* inode used for guaranteed rate i/o */ 379 #define XFS_IUIOSZ 0x0002 /* inode i/o sizes have been explicitly set */ 380 #define XFS_IQUIESCE 0x0004 /* we have started quiescing for this inode */ 381 #define XFS_IRECLAIM 0x0008 /* we have started reclaiming this inode */ 382 #define XFS_ISTALE 0x0010 /* inode has been staled */ 383 #define XFS_IRECLAIMABLE 0x0020 /* inode can be reclaimed */ 384 #define XFS_INEW 0x0040 385 386 /* 387 * Flags for inode locking. 388 */ 389 #define XFS_IOLOCK_EXCL 0x001 390 #define XFS_IOLOCK_SHARED 0x002 391 #define XFS_ILOCK_EXCL 0x004 392 #define XFS_ILOCK_SHARED 0x008 393 #define XFS_IUNLOCK_NONOTIFY 0x010 394 #define XFS_EXTENT_TOKEN_RD 0x040 395 #define XFS_SIZE_TOKEN_RD 0x080 396 #define XFS_EXTSIZE_RD (XFS_EXTENT_TOKEN_RD|XFS_SIZE_TOKEN_RD) 397 #define XFS_WILLLEND 0x100 /* Always acquire tokens for lending */ 398 #define XFS_EXTENT_TOKEN_WR (XFS_EXTENT_TOKEN_RD | XFS_WILLLEND) 399 #define XFS_SIZE_TOKEN_WR (XFS_SIZE_TOKEN_RD | XFS_WILLLEND) 400 #define XFS_EXTSIZE_WR (XFS_EXTSIZE_RD | XFS_WILLLEND) 401 402 403 #define XFS_LOCK_MASK \ 404 (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED | XFS_ILOCK_EXCL | \ 405 XFS_ILOCK_SHARED | XFS_EXTENT_TOKEN_RD | XFS_SIZE_TOKEN_RD | \ 406 XFS_WILLLEND) 407 408 /* 409 * Flags for xfs_iflush() 410 */ 411 #define XFS_IFLUSH_DELWRI_ELSE_SYNC 1 412 #define XFS_IFLUSH_DELWRI_ELSE_ASYNC 2 413 #define XFS_IFLUSH_SYNC 3 414 #define XFS_IFLUSH_ASYNC 4 415 #define XFS_IFLUSH_DELWRI 5 416 417 /* 418 * Flags for xfs_iflush_all. 419 */ 420 #define XFS_FLUSH_ALL 0x1 421 422 /* 423 * Flags for xfs_itruncate_start(). 424 */ 425 #define XFS_ITRUNC_DEFINITE 0x1 426 #define XFS_ITRUNC_MAYBE 0x2 427 428 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ITOV) 429 struct vnode *xfs_itov(xfs_inode_t *ip); 430 #define XFS_ITOV(ip) xfs_itov(ip) 431 #else 432 #define XFS_ITOV(ip) BHV_TO_VNODE(XFS_ITOBHV(ip)) 433 #endif 434 #define XFS_ITOV_NULL(ip) BHV_TO_VNODE_NULL(XFS_ITOBHV(ip)) 435 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ITOBHV) 436 struct bhv_desc *xfs_itobhv(xfs_inode_t *ip); 437 #define XFS_ITOBHV(ip) xfs_itobhv(ip) 438 #else 439 #define XFS_ITOBHV(ip) ((struct bhv_desc *)(&((ip)->i_bhv_desc))) 440 #endif 441 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BHVTOI) 442 xfs_inode_t *xfs_bhvtoi(struct bhv_desc *bhvp); 443 #define XFS_BHVTOI(bhvp) xfs_bhvtoi(bhvp) 444 #else 445 #define XFS_BHVTOI(bhvp) \ 446 ((xfs_inode_t *)((char *)(bhvp) - \ 447 (char *)&(((xfs_inode_t *)0)->i_bhv_desc))) 448 #endif 449 450 #define BHV_IS_XFS(bdp) (BHV_OPS(bdp) == &xfs_vnodeops) 451 452 /* 453 * Pick the inode cluster hash bucket 454 * (m_chash is the same size as m_ihash) 455 */ 456 #define XFS_CHASH(mp,blk) ((mp)->m_chash + (((uint)blk) % (mp)->m_chsize)) 457 458 /* 459 * For multiple groups support: if S_ISGID bit is set in the parent 460 * directory, group of new file is set to that of the parent, and 461 * new subdirectory gets S_ISGID bit from parent. 462 */ 463 #define XFS_INHERIT_GID(pip, vfsp) \ 464 (((vfsp)->vfs_flag & VFS_GRPID) || ((pip)->i_d.di_mode & S_ISGID)) 465 466 /* 467 * xfs_iget.c prototypes. 468 */ 469 470 #define IGET_CREATE 1 471 472 void xfs_ihash_init(struct xfs_mount *); 473 void xfs_ihash_free(struct xfs_mount *); 474 void xfs_chash_init(struct xfs_mount *); 475 void xfs_chash_free(struct xfs_mount *); 476 xfs_inode_t *xfs_inode_incore(struct xfs_mount *, xfs_ino_t, 477 struct xfs_trans *); 478 void xfs_inode_lock_init(xfs_inode_t *, struct vnode *); 479 int xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, 480 uint, uint, xfs_inode_t **, xfs_daddr_t); 481 void xfs_iput(xfs_inode_t *, uint); 482 void xfs_iput_new(xfs_inode_t *, uint); 483 void xfs_ilock(xfs_inode_t *, uint); 484 int xfs_ilock_nowait(xfs_inode_t *, uint); 485 void xfs_iunlock(xfs_inode_t *, uint); 486 void xfs_ilock_demote(xfs_inode_t *, uint); 487 void xfs_iflock(xfs_inode_t *); 488 int xfs_iflock_nowait(xfs_inode_t *); 489 uint xfs_ilock_map_shared(xfs_inode_t *); 490 void xfs_iunlock_map_shared(xfs_inode_t *, uint); 491 void xfs_ifunlock(xfs_inode_t *); 492 void xfs_ireclaim(xfs_inode_t *); 493 int xfs_finish_reclaim(xfs_inode_t *, int, int); 494 int xfs_finish_reclaim_all(struct xfs_mount *, int); 495 496 /* 497 * xfs_inode.c prototypes. 498 */ 499 int xfs_inotobp(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, 500 xfs_dinode_t **, struct xfs_buf **, int *); 501 int xfs_itobp(struct xfs_mount *, struct xfs_trans *, 502 xfs_inode_t *, xfs_dinode_t **, struct xfs_buf **, 503 xfs_daddr_t); 504 int xfs_iread(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, 505 xfs_inode_t **, xfs_daddr_t); 506 int xfs_iread_extents(struct xfs_trans *, xfs_inode_t *, int); 507 int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t, nlink_t, 508 xfs_dev_t, struct cred *, xfs_prid_t, int, 509 struct xfs_buf **, boolean_t *, xfs_inode_t **); 510 void xfs_xlate_dinode_core(xfs_caddr_t, struct xfs_dinode_core *, 511 int, xfs_arch_t); 512 uint xfs_dic2xflags(struct xfs_dinode_core *, xfs_arch_t); 513 int xfs_ifree(struct xfs_trans *, xfs_inode_t *, 514 struct xfs_bmap_free *); 515 void xfs_itruncate_start(xfs_inode_t *, uint, xfs_fsize_t); 516 int xfs_itruncate_finish(struct xfs_trans **, xfs_inode_t *, 517 xfs_fsize_t, int, int); 518 int xfs_iunlink(struct xfs_trans *, xfs_inode_t *); 519 int xfs_igrow_start(xfs_inode_t *, xfs_fsize_t, struct cred *); 520 void xfs_igrow_finish(struct xfs_trans *, xfs_inode_t *, 521 xfs_fsize_t, int); 522 523 void xfs_idestroy_fork(xfs_inode_t *, int); 524 void xfs_idestroy(xfs_inode_t *); 525 void xfs_idata_realloc(xfs_inode_t *, int, int); 526 void xfs_iextract(xfs_inode_t *); 527 void xfs_iext_realloc(xfs_inode_t *, int, int); 528 void xfs_iroot_realloc(xfs_inode_t *, int, int); 529 void xfs_ipin(xfs_inode_t *); 530 void xfs_iunpin(xfs_inode_t *); 531 int xfs_iextents_copy(xfs_inode_t *, xfs_bmbt_rec_t *, int); 532 int xfs_iflush(xfs_inode_t *, uint); 533 int xfs_iflush_all(struct xfs_mount *, int); 534 int xfs_iaccess(xfs_inode_t *, mode_t, cred_t *); 535 uint xfs_iroundup(uint); 536 void xfs_ichgtime(xfs_inode_t *, int); 537 xfs_fsize_t xfs_file_last_byte(xfs_inode_t *); 538 void xfs_lock_inodes(xfs_inode_t **, int, int, uint); 539 540 #define xfs_ipincount(ip) ((unsigned int) atomic_read(&ip->i_pincount)) 541 542 #ifdef DEBUG 543 void xfs_isize_check(struct xfs_mount *, xfs_inode_t *, xfs_fsize_t); 544 #else /* DEBUG */ 545 #define xfs_isize_check(mp, ip, isize) 546 #endif /* DEBUG */ 547 548 #if defined(DEBUG) 549 void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *); 550 #else 551 #define xfs_inobp_check(mp, bp) 552 #endif /* DEBUG */ 553 554 extern struct kmem_zone *xfs_chashlist_zone; 555 extern struct kmem_zone *xfs_ifork_zone; 556 extern struct kmem_zone *xfs_inode_zone; 557 extern struct kmem_zone *xfs_ili_zone; 558 extern struct vnodeops xfs_vnodeops; 559 560 #endif /* __KERNEL__ */ 561 562 #endif /* __XFS_INODE_H__ */ 563