1 /* 2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. 3 * All Rights Reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it would be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 #ifndef __XFS_TRANS_H__ 19 #define __XFS_TRANS_H__ 20 21 /* 22 * This is the structure written in the log at the head of 23 * every transaction. It identifies the type and id of the 24 * transaction, and contains the number of items logged by 25 * the transaction so we know how many to expect during recovery. 26 * 27 * Do not change the below structure without redoing the code in 28 * xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans(). 29 */ 30 typedef struct xfs_trans_header { 31 uint th_magic; /* magic number */ 32 uint th_type; /* transaction type */ 33 __int32_t th_tid; /* transaction id (unused) */ 34 uint th_num_items; /* num items logged by trans */ 35 } xfs_trans_header_t; 36 37 #define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */ 38 39 /* 40 * Log item types. 41 */ 42 #define XFS_LI_EFI 0x1236 43 #define XFS_LI_EFD 0x1237 44 #define XFS_LI_IUNLINK 0x1238 45 #define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */ 46 #define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */ 47 #define XFS_LI_DQUOT 0x123d 48 #define XFS_LI_QUOTAOFF 0x123e 49 50 /* 51 * Transaction types. Used to distinguish types of buffers. 52 */ 53 #define XFS_TRANS_SETATTR_NOT_SIZE 1 54 #define XFS_TRANS_SETATTR_SIZE 2 55 #define XFS_TRANS_INACTIVE 3 56 #define XFS_TRANS_CREATE 4 57 #define XFS_TRANS_CREATE_TRUNC 5 58 #define XFS_TRANS_TRUNCATE_FILE 6 59 #define XFS_TRANS_REMOVE 7 60 #define XFS_TRANS_LINK 8 61 #define XFS_TRANS_RENAME 9 62 #define XFS_TRANS_MKDIR 10 63 #define XFS_TRANS_RMDIR 11 64 #define XFS_TRANS_SYMLINK 12 65 #define XFS_TRANS_SET_DMATTRS 13 66 #define XFS_TRANS_GROWFS 14 67 #define XFS_TRANS_STRAT_WRITE 15 68 #define XFS_TRANS_DIOSTRAT 16 69 #define XFS_TRANS_WRITE_SYNC 17 70 #define XFS_TRANS_WRITEID 18 71 #define XFS_TRANS_ADDAFORK 19 72 #define XFS_TRANS_ATTRINVAL 20 73 #define XFS_TRANS_ATRUNCATE 21 74 #define XFS_TRANS_ATTR_SET 22 75 #define XFS_TRANS_ATTR_RM 23 76 #define XFS_TRANS_ATTR_FLAG 24 77 #define XFS_TRANS_CLEAR_AGI_BUCKET 25 78 #define XFS_TRANS_QM_SBCHANGE 26 79 /* 80 * Dummy entries since we use the transaction type to index into the 81 * trans_type[] in xlog_recover_print_trans_head() 82 */ 83 #define XFS_TRANS_DUMMY1 27 84 #define XFS_TRANS_DUMMY2 28 85 #define XFS_TRANS_QM_QUOTAOFF 29 86 #define XFS_TRANS_QM_DQALLOC 30 87 #define XFS_TRANS_QM_SETQLIM 31 88 #define XFS_TRANS_QM_DQCLUSTER 32 89 #define XFS_TRANS_QM_QINOCREATE 33 90 #define XFS_TRANS_QM_QUOTAOFF_END 34 91 #define XFS_TRANS_SB_UNIT 35 92 #define XFS_TRANS_FSYNC_TS 36 93 #define XFS_TRANS_GROWFSRT_ALLOC 37 94 #define XFS_TRANS_GROWFSRT_ZERO 38 95 #define XFS_TRANS_GROWFSRT_FREE 39 96 #define XFS_TRANS_SWAPEXT 40 97 #define XFS_TRANS_SB_COUNT 41 98 #define XFS_TRANS_TYPE_MAX 41 99 /* new transaction types need to be reflected in xfs_logprint(8) */ 100 101 102 #ifdef __KERNEL__ 103 struct xfs_buf; 104 struct xfs_buftarg; 105 struct xfs_efd_log_item; 106 struct xfs_efi_log_item; 107 struct xfs_inode; 108 struct xfs_item_ops; 109 struct xfs_log_iovec; 110 struct xfs_log_item; 111 struct xfs_log_item_desc; 112 struct xfs_mount; 113 struct xfs_trans; 114 struct xfs_dquot_acct; 115 116 typedef struct xfs_log_item { 117 struct list_head li_ail; /* AIL pointers */ 118 xfs_lsn_t li_lsn; /* last on-disk lsn */ 119 struct xfs_log_item_desc *li_desc; /* ptr to current desc*/ 120 struct xfs_mount *li_mountp; /* ptr to fs mount */ 121 uint li_type; /* item type */ 122 uint li_flags; /* misc flags */ 123 struct xfs_log_item *li_bio_list; /* buffer item list */ 124 void (*li_cb)(struct xfs_buf *, 125 struct xfs_log_item *); 126 /* buffer item iodone */ 127 /* callback func */ 128 struct xfs_item_ops *li_ops; /* function list */ 129 } xfs_log_item_t; 130 131 #define XFS_LI_IN_AIL 0x1 132 #define XFS_LI_ABORTED 0x2 133 134 typedef struct xfs_item_ops { 135 uint (*iop_size)(xfs_log_item_t *); 136 void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *); 137 void (*iop_pin)(xfs_log_item_t *); 138 void (*iop_unpin)(xfs_log_item_t *, int); 139 void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *); 140 uint (*iop_trylock)(xfs_log_item_t *); 141 void (*iop_unlock)(xfs_log_item_t *); 142 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t); 143 void (*iop_push)(xfs_log_item_t *); 144 void (*iop_pushbuf)(xfs_log_item_t *); 145 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t); 146 } xfs_item_ops_t; 147 148 #define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip) 149 #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp) 150 #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip) 151 #define IOP_UNPIN(ip, flags) (*(ip)->li_ops->iop_unpin)(ip, flags) 152 #define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp) 153 #define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip) 154 #define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip) 155 #define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn) 156 #define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip) 157 #define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip) 158 #define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn) 159 160 /* 161 * Return values for the IOP_TRYLOCK() routines. 162 */ 163 #define XFS_ITEM_SUCCESS 0 164 #define XFS_ITEM_PINNED 1 165 #define XFS_ITEM_LOCKED 2 166 #define XFS_ITEM_FLUSHING 3 167 #define XFS_ITEM_PUSHBUF 4 168 169 #endif /* __KERNEL__ */ 170 171 /* 172 * This structure is used to track log items associated with 173 * a transaction. It points to the log item and keeps some 174 * flags to track the state of the log item. It also tracks 175 * the amount of space needed to log the item it describes 176 * once we get to commit processing (see xfs_trans_commit()). 177 */ 178 typedef struct xfs_log_item_desc { 179 xfs_log_item_t *lid_item; 180 ushort lid_size; 181 unsigned char lid_flags; 182 unsigned char lid_index; 183 } xfs_log_item_desc_t; 184 185 #define XFS_LID_DIRTY 0x1 186 #define XFS_LID_PINNED 0x2 187 #define XFS_LID_BUF_STALE 0x8 188 189 /* 190 * This structure is used to maintain a chunk list of log_item_desc 191 * structures. The free field is a bitmask indicating which descriptors 192 * in this chunk's array are free. The unused field is the first value 193 * not used since this chunk was allocated. 194 */ 195 #define XFS_LIC_NUM_SLOTS 15 196 typedef struct xfs_log_item_chunk { 197 struct xfs_log_item_chunk *lic_next; 198 ushort lic_free; 199 ushort lic_unused; 200 xfs_log_item_desc_t lic_descs[XFS_LIC_NUM_SLOTS]; 201 } xfs_log_item_chunk_t; 202 203 #define XFS_LIC_MAX_SLOT (XFS_LIC_NUM_SLOTS - 1) 204 #define XFS_LIC_FREEMASK ((1 << XFS_LIC_NUM_SLOTS) - 1) 205 206 207 /* 208 * Initialize the given chunk. Set the chunk's free descriptor mask 209 * to indicate that all descriptors are free. The caller gets to set 210 * lic_unused to the right value (0 matches all free). The 211 * lic_descs.lid_index values are set up as each desc is allocated. 212 */ 213 static inline void xfs_lic_init(xfs_log_item_chunk_t *cp) 214 { 215 cp->lic_free = XFS_LIC_FREEMASK; 216 } 217 218 static inline void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot) 219 { 220 cp->lic_descs[slot].lid_index = (unsigned char)(slot); 221 } 222 223 static inline int xfs_lic_vacancy(xfs_log_item_chunk_t *cp) 224 { 225 return cp->lic_free & XFS_LIC_FREEMASK; 226 } 227 228 static inline void xfs_lic_all_free(xfs_log_item_chunk_t *cp) 229 { 230 cp->lic_free = XFS_LIC_FREEMASK; 231 } 232 233 static inline int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp) 234 { 235 return ((cp->lic_free & XFS_LIC_FREEMASK) == XFS_LIC_FREEMASK); 236 } 237 238 static inline int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot) 239 { 240 return (cp->lic_free & (1 << slot)); 241 } 242 243 static inline void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot) 244 { 245 cp->lic_free &= ~(1 << slot); 246 } 247 248 static inline void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot) 249 { 250 cp->lic_free |= 1 << slot; 251 } 252 253 static inline xfs_log_item_desc_t * 254 xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot) 255 { 256 return &(cp->lic_descs[slot]); 257 } 258 259 static inline int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp) 260 { 261 return (uint)dp->lid_index; 262 } 263 264 /* 265 * Calculate the address of a chunk given a descriptor pointer: 266 * dp - dp->lid_index give the address of the start of the lic_descs array. 267 * From this we subtract the offset of the lic_descs field in a chunk. 268 * All of this yields the address of the chunk, which is 269 * cast to a chunk pointer. 270 */ 271 static inline xfs_log_item_chunk_t * 272 xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) 273 { 274 return (xfs_log_item_chunk_t*) \ 275 (((xfs_caddr_t)((dp) - (dp)->lid_index)) - \ 276 (xfs_caddr_t)(((xfs_log_item_chunk_t*)0)->lic_descs)); 277 } 278 279 #ifdef __KERNEL__ 280 /* 281 * This structure is used to maintain a list of block ranges that have been 282 * freed in the transaction. The ranges are listed in the perag[] busy list 283 * between when they're freed and the transaction is committed to disk. 284 */ 285 286 typedef struct xfs_log_busy_slot { 287 xfs_agnumber_t lbc_ag; 288 ushort lbc_idx; /* index in perag.busy[] */ 289 } xfs_log_busy_slot_t; 290 291 #define XFS_LBC_NUM_SLOTS 31 292 typedef struct xfs_log_busy_chunk { 293 struct xfs_log_busy_chunk *lbc_next; 294 uint lbc_free; /* free slots bitmask */ 295 ushort lbc_unused; /* first unused */ 296 xfs_log_busy_slot_t lbc_busy[XFS_LBC_NUM_SLOTS]; 297 } xfs_log_busy_chunk_t; 298 299 #define XFS_LBC_MAX_SLOT (XFS_LBC_NUM_SLOTS - 1) 300 #define XFS_LBC_FREEMASK ((1U << XFS_LBC_NUM_SLOTS) - 1) 301 302 #define XFS_LBC_INIT(cp) ((cp)->lbc_free = XFS_LBC_FREEMASK) 303 #define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot))) 304 #define XFS_LBC_SLOT(cp, slot) (&((cp)->lbc_busy[(slot)])) 305 #define XFS_LBC_VACANCY(cp) (((cp)->lbc_free) & XFS_LBC_FREEMASK) 306 #define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot))) 307 308 /* 309 * This is the type of function which can be given to xfs_trans_callback() 310 * to be called upon the transaction's commit to disk. 311 */ 312 typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *); 313 314 /* 315 * This is the structure maintained for every active transaction. 316 */ 317 typedef struct xfs_trans { 318 unsigned int t_magic; /* magic number */ 319 xfs_log_callback_t t_logcb; /* log callback struct */ 320 unsigned int t_type; /* transaction type */ 321 unsigned int t_log_res; /* amt of log space resvd */ 322 unsigned int t_log_count; /* count for perm log res */ 323 unsigned int t_blk_res; /* # of blocks resvd */ 324 unsigned int t_blk_res_used; /* # of resvd blocks used */ 325 unsigned int t_rtx_res; /* # of rt extents resvd */ 326 unsigned int t_rtx_res_used; /* # of resvd rt extents used */ 327 xfs_log_ticket_t t_ticket; /* log mgr ticket */ 328 xfs_lsn_t t_lsn; /* log seq num of start of 329 * transaction. */ 330 xfs_lsn_t t_commit_lsn; /* log seq num of end of 331 * transaction. */ 332 struct xfs_mount *t_mountp; /* ptr to fs mount struct */ 333 struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */ 334 xfs_trans_callback_t t_callback; /* transaction callback */ 335 void *t_callarg; /* callback arg */ 336 unsigned int t_flags; /* misc flags */ 337 int64_t t_icount_delta; /* superblock icount change */ 338 int64_t t_ifree_delta; /* superblock ifree change */ 339 int64_t t_fdblocks_delta; /* superblock fdblocks chg */ 340 int64_t t_res_fdblocks_delta; /* on-disk only chg */ 341 int64_t t_frextents_delta;/* superblock freextents chg*/ 342 int64_t t_res_frextents_delta; /* on-disk only chg */ 343 #ifdef DEBUG 344 int64_t t_ag_freeblks_delta; /* debugging counter */ 345 int64_t t_ag_flist_delta; /* debugging counter */ 346 int64_t t_ag_btree_delta; /* debugging counter */ 347 #endif 348 int64_t t_dblocks_delta;/* superblock dblocks change */ 349 int64_t t_agcount_delta;/* superblock agcount change */ 350 int64_t t_imaxpct_delta;/* superblock imaxpct change */ 351 int64_t t_rextsize_delta;/* superblock rextsize chg */ 352 int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */ 353 int64_t t_rblocks_delta;/* superblock rblocks change */ 354 int64_t t_rextents_delta;/* superblocks rextents chg */ 355 int64_t t_rextslog_delta;/* superblocks rextslog chg */ 356 unsigned int t_items_free; /* log item descs free */ 357 xfs_log_item_chunk_t t_items; /* first log item desc chunk */ 358 xfs_trans_header_t t_header; /* header for in-log trans */ 359 unsigned int t_busy_free; /* busy descs free */ 360 xfs_log_busy_chunk_t t_busy; /* busy/async free blocks */ 361 unsigned long t_pflags; /* saved process flags state */ 362 } xfs_trans_t; 363 364 #endif /* __KERNEL__ */ 365 366 367 #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */ 368 /* 369 * Values for t_flags. 370 */ 371 #define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */ 372 #define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */ 373 #define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */ 374 #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */ 375 #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */ 376 #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */ 377 378 /* 379 * Values for call flags parameter. 380 */ 381 #define XFS_TRANS_NOSLEEP 0x1 382 #define XFS_TRANS_WAIT 0x2 383 #define XFS_TRANS_RELEASE_LOG_RES 0x4 384 #define XFS_TRANS_ABORT 0x8 385 386 /* 387 * Field values for xfs_trans_mod_sb. 388 */ 389 #define XFS_TRANS_SB_ICOUNT 0x00000001 390 #define XFS_TRANS_SB_IFREE 0x00000002 391 #define XFS_TRANS_SB_FDBLOCKS 0x00000004 392 #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008 393 #define XFS_TRANS_SB_FREXTENTS 0x00000010 394 #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020 395 #define XFS_TRANS_SB_DBLOCKS 0x00000040 396 #define XFS_TRANS_SB_AGCOUNT 0x00000080 397 #define XFS_TRANS_SB_IMAXPCT 0x00000100 398 #define XFS_TRANS_SB_REXTSIZE 0x00000200 399 #define XFS_TRANS_SB_RBMBLOCKS 0x00000400 400 #define XFS_TRANS_SB_RBLOCKS 0x00000800 401 #define XFS_TRANS_SB_REXTENTS 0x00001000 402 #define XFS_TRANS_SB_REXTSLOG 0x00002000 403 404 405 /* 406 * Various log reservation values. 407 * These are based on the size of the file system block 408 * because that is what most transactions manipulate. 409 * Each adds in an additional 128 bytes per item logged to 410 * try to account for the overhead of the transaction mechanism. 411 * 412 * Note: 413 * Most of the reservations underestimate the number of allocation 414 * groups into which they could free extents in the xfs_bmap_finish() 415 * call. This is because the number in the worst case is quite high 416 * and quite unusual. In order to fix this we need to change 417 * xfs_bmap_finish() to free extents in only a single AG at a time. 418 * This will require changes to the EFI code as well, however, so that 419 * the EFI for the extents not freed is logged again in each transaction. 420 * See bug 261917. 421 */ 422 423 /* 424 * Per-extent log reservation for the allocation btree changes 425 * involved in freeing or allocating an extent. 426 * 2 trees * (2 blocks/level * max depth - 1) * block size 427 */ 428 #define XFS_ALLOCFREE_LOG_RES(mp,nx) \ 429 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1))) 430 #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \ 431 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1))) 432 433 /* 434 * Per-directory log reservation for any directory change. 435 * dir blocks: (1 btree block per level + data block + free block) * dblock size 436 * bmap btree: (levels + 2) * max depth * block size 437 * v2 directory blocks can be fragmented below the dirblksize down to the fsb 438 * size, so account for that in the DAENTER macros. 439 */ 440 #define XFS_DIROP_LOG_RES(mp) \ 441 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \ 442 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1))) 443 #define XFS_DIROP_LOG_COUNT(mp) \ 444 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ 445 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) 446 447 /* 448 * In a write transaction we can allocate a maximum of 2 449 * extents. This gives: 450 * the inode getting the new extents: inode size 451 * the inode\'s bmap btree: max depth * block size 452 * the agfs of the ags from which the extents are allocated: 2 * sector 453 * the superblock free block counter: sector size 454 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 455 * And the bmap_finish transaction can free bmap blocks in a join: 456 * the agfs of the ags containing the blocks: 2 * sector size 457 * the agfls of the ags containing the blocks: 2 * sector size 458 * the super block free block counter: sector size 459 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 460 */ 461 #define XFS_CALC_WRITE_LOG_RES(mp) \ 462 (MAX( \ 463 ((mp)->m_sb.sb_inodesize + \ 464 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ 465 (2 * (mp)->m_sb.sb_sectsize) + \ 466 (mp)->m_sb.sb_sectsize + \ 467 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 468 (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\ 469 ((2 * (mp)->m_sb.sb_sectsize) + \ 470 (2 * (mp)->m_sb.sb_sectsize) + \ 471 (mp)->m_sb.sb_sectsize + \ 472 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 473 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 474 475 #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write) 476 477 /* 478 * In truncating a file we free up to two extents at once. We can modify: 479 * the inode being truncated: inode size 480 * the inode\'s bmap btree: (max depth + 1) * block size 481 * And the bmap_finish transaction can free the blocks and bmap blocks: 482 * the agf for each of the ags: 4 * sector size 483 * the agfl for each of the ags: 4 * sector size 484 * the super block to reflect the freed blocks: sector size 485 * worst case split in allocation btrees per extent assuming 4 extents: 486 * 4 exts * 2 trees * (2 * max depth - 1) * block size 487 * the inode btree: max depth * blocksize 488 * the allocation btrees: 2 trees * (max depth - 1) * block size 489 */ 490 #define XFS_CALC_ITRUNCATE_LOG_RES(mp) \ 491 (MAX( \ 492 ((mp)->m_sb.sb_inodesize + \ 493 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \ 494 (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ 495 ((4 * (mp)->m_sb.sb_sectsize) + \ 496 (4 * (mp)->m_sb.sb_sectsize) + \ 497 (mp)->m_sb.sb_sectsize + \ 498 XFS_ALLOCFREE_LOG_RES(mp, 4) + \ 499 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \ 500 (128 * 5) + \ 501 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 502 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 503 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 504 505 #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate) 506 507 /* 508 * In renaming a files we can modify: 509 * the four inodes involved: 4 * inode size 510 * the two directory btrees: 2 * (max depth + v2) * dir block size 511 * the two directory bmap btrees: 2 * max depth * block size 512 * And the bmap_finish transaction can free dir and bmap blocks (two sets 513 * of bmap blocks) giving: 514 * the agf for the ags in which the blocks live: 3 * sector size 515 * the agfl for the ags in which the blocks live: 3 * sector size 516 * the superblock for the free block count: sector size 517 * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size 518 */ 519 #define XFS_CALC_RENAME_LOG_RES(mp) \ 520 (MAX( \ 521 ((4 * (mp)->m_sb.sb_inodesize) + \ 522 (2 * XFS_DIROP_LOG_RES(mp)) + \ 523 (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \ 524 ((3 * (mp)->m_sb.sb_sectsize) + \ 525 (3 * (mp)->m_sb.sb_sectsize) + \ 526 (mp)->m_sb.sb_sectsize + \ 527 XFS_ALLOCFREE_LOG_RES(mp, 3) + \ 528 (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3)))))) 529 530 #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename) 531 532 /* 533 * For creating a link to an inode: 534 * the parent directory inode: inode size 535 * the linked inode: inode size 536 * the directory btree could split: (max depth + v2) * dir block size 537 * the directory bmap btree could join or split: (max depth + v2) * blocksize 538 * And the bmap_finish transaction can free some bmap blocks giving: 539 * the agf for the ag in which the blocks live: sector size 540 * the agfl for the ag in which the blocks live: sector size 541 * the superblock for the free block count: sector size 542 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size 543 */ 544 #define XFS_CALC_LINK_LOG_RES(mp) \ 545 (MAX( \ 546 ((mp)->m_sb.sb_inodesize + \ 547 (mp)->m_sb.sb_inodesize + \ 548 XFS_DIROP_LOG_RES(mp) + \ 549 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ 550 ((mp)->m_sb.sb_sectsize + \ 551 (mp)->m_sb.sb_sectsize + \ 552 (mp)->m_sb.sb_sectsize + \ 553 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 554 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 555 556 #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link) 557 558 /* 559 * For removing a directory entry we can modify: 560 * the parent directory inode: inode size 561 * the removed inode: inode size 562 * the directory btree could join: (max depth + v2) * dir block size 563 * the directory bmap btree could join or split: (max depth + v2) * blocksize 564 * And the bmap_finish transaction can free the dir and bmap blocks giving: 565 * the agf for the ag in which the blocks live: 2 * sector size 566 * the agfl for the ag in which the blocks live: 2 * sector size 567 * the superblock for the free block count: sector size 568 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 569 */ 570 #define XFS_CALC_REMOVE_LOG_RES(mp) \ 571 (MAX( \ 572 ((mp)->m_sb.sb_inodesize + \ 573 (mp)->m_sb.sb_inodesize + \ 574 XFS_DIROP_LOG_RES(mp) + \ 575 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ 576 ((2 * (mp)->m_sb.sb_sectsize) + \ 577 (2 * (mp)->m_sb.sb_sectsize) + \ 578 (mp)->m_sb.sb_sectsize + \ 579 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 580 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 581 582 #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove) 583 584 /* 585 * For symlink we can modify: 586 * the parent directory inode: inode size 587 * the new inode: inode size 588 * the inode btree entry: 1 block 589 * the directory btree: (max depth + v2) * dir block size 590 * the directory inode\'s bmap btree: (max depth + v2) * block size 591 * the blocks for the symlink: 1 KB 592 * Or in the first xact we allocate some inodes giving: 593 * the agi and agf of the ag getting the new inodes: 2 * sectorsize 594 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize 595 * the inode btree: max depth * blocksize 596 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size 597 */ 598 #define XFS_CALC_SYMLINK_LOG_RES(mp) \ 599 (MAX( \ 600 ((mp)->m_sb.sb_inodesize + \ 601 (mp)->m_sb.sb_inodesize + \ 602 XFS_FSB_TO_B(mp, 1) + \ 603 XFS_DIROP_LOG_RES(mp) + \ 604 1024 + \ 605 (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \ 606 (2 * (mp)->m_sb.sb_sectsize + \ 607 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ 608 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \ 609 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 610 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 611 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 612 613 #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink) 614 615 /* 616 * For create we can modify: 617 * the parent directory inode: inode size 618 * the new inode: inode size 619 * the inode btree entry: block size 620 * the superblock for the nlink flag: sector size 621 * the directory btree: (max depth + v2) * dir block size 622 * the directory inode\'s bmap btree: (max depth + v2) * block size 623 * Or in the first xact we allocate some inodes giving: 624 * the agi and agf of the ag getting the new inodes: 2 * sectorsize 625 * the superblock for the nlink flag: sector size 626 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize 627 * the inode btree: max depth * blocksize 628 * the allocation btrees: 2 trees * (max depth - 1) * block size 629 */ 630 #define XFS_CALC_CREATE_LOG_RES(mp) \ 631 (MAX( \ 632 ((mp)->m_sb.sb_inodesize + \ 633 (mp)->m_sb.sb_inodesize + \ 634 (mp)->m_sb.sb_sectsize + \ 635 XFS_FSB_TO_B(mp, 1) + \ 636 XFS_DIROP_LOG_RES(mp) + \ 637 (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \ 638 (3 * (mp)->m_sb.sb_sectsize + \ 639 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ 640 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \ 641 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 642 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 643 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 644 645 #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create) 646 647 /* 648 * Making a new directory is the same as creating a new file. 649 */ 650 #define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp) 651 652 #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir) 653 654 /* 655 * In freeing an inode we can modify: 656 * the inode being freed: inode size 657 * the super block free inode counter: sector size 658 * the agi hash list and counters: sector size 659 * the inode btree entry: block size 660 * the on disk inode before ours in the agi hash list: inode cluster size 661 * the inode btree: max depth * blocksize 662 * the allocation btrees: 2 trees * (max depth - 1) * block size 663 */ 664 #define XFS_CALC_IFREE_LOG_RES(mp) \ 665 ((mp)->m_sb.sb_inodesize + \ 666 (mp)->m_sb.sb_sectsize + \ 667 (mp)->m_sb.sb_sectsize + \ 668 XFS_FSB_TO_B((mp), 1) + \ 669 MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \ 670 (128 * 5) + \ 671 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 672 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 673 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 674 675 676 #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree) 677 678 /* 679 * When only changing the inode we log the inode and possibly the superblock 680 * We also add a bit of slop for the transaction stuff. 681 */ 682 #define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \ 683 (mp)->m_sb.sb_sectsize + 512) 684 685 #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange) 686 687 /* 688 * Growing the data section of the filesystem. 689 * superblock 690 * agi and agf 691 * allocation btrees 692 */ 693 #define XFS_CALC_GROWDATA_LOG_RES(mp) \ 694 ((mp)->m_sb.sb_sectsize * 3 + \ 695 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 696 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 697 698 #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata) 699 700 /* 701 * Growing the rt section of the filesystem. 702 * In the first set of transactions (ALLOC) we allocate space to the 703 * bitmap or summary files. 704 * superblock: sector size 705 * agf of the ag from which the extent is allocated: sector size 706 * bmap btree for bitmap/summary inode: max depth * blocksize 707 * bitmap/summary inode: inode size 708 * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize 709 */ 710 #define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \ 711 (2 * (mp)->m_sb.sb_sectsize + \ 712 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ 713 (mp)->m_sb.sb_inodesize + \ 714 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 715 (128 * \ 716 (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \ 717 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 718 719 #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc) 720 721 /* 722 * Growing the rt section of the filesystem. 723 * In the second set of transactions (ZERO) we zero the new metadata blocks. 724 * one bitmap/summary block: blocksize 725 */ 726 #define XFS_CALC_GROWRTZERO_LOG_RES(mp) \ 727 ((mp)->m_sb.sb_blocksize + 128) 728 729 #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero) 730 731 /* 732 * Growing the rt section of the filesystem. 733 * In the third set of transactions (FREE) we update metadata without 734 * allocating any new blocks. 735 * superblock: sector size 736 * bitmap inode: inode size 737 * summary inode: inode size 738 * one bitmap block: blocksize 739 * summary blocks: new summary size 740 */ 741 #define XFS_CALC_GROWRTFREE_LOG_RES(mp) \ 742 ((mp)->m_sb.sb_sectsize + \ 743 2 * (mp)->m_sb.sb_inodesize + \ 744 (mp)->m_sb.sb_blocksize + \ 745 (mp)->m_rsumsize + \ 746 (128 * 5)) 747 748 #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree) 749 750 /* 751 * Logging the inode modification timestamp on a synchronous write. 752 * inode 753 */ 754 #define XFS_CALC_SWRITE_LOG_RES(mp) \ 755 ((mp)->m_sb.sb_inodesize + 128) 756 757 #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 758 759 /* 760 * Logging the inode timestamps on an fsync -- same as SWRITE 761 * as long as SWRITE logs the entire inode core 762 */ 763 #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 764 765 /* 766 * Logging the inode mode bits when writing a setuid/setgid file 767 * inode 768 */ 769 #define XFS_CALC_WRITEID_LOG_RES(mp) \ 770 ((mp)->m_sb.sb_inodesize + 128) 771 772 #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 773 774 /* 775 * Converting the inode from non-attributed to attributed. 776 * the inode being converted: inode size 777 * agf block and superblock (for block allocation) 778 * the new block (directory sized) 779 * bmap blocks for the new directory block 780 * allocation btrees 781 */ 782 #define XFS_CALC_ADDAFORK_LOG_RES(mp) \ 783 ((mp)->m_sb.sb_inodesize + \ 784 (mp)->m_sb.sb_sectsize * 2 + \ 785 (mp)->m_dirblksize + \ 786 XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1)) + \ 787 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 788 (128 * (4 + (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \ 789 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 790 791 #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork) 792 793 /* 794 * Removing the attribute fork of a file 795 * the inode being truncated: inode size 796 * the inode\'s bmap btree: max depth * block size 797 * And the bmap_finish transaction can free the blocks and bmap blocks: 798 * the agf for each of the ags: 4 * sector size 799 * the agfl for each of the ags: 4 * sector size 800 * the super block to reflect the freed blocks: sector size 801 * worst case split in allocation btrees per extent assuming 4 extents: 802 * 4 exts * 2 trees * (2 * max depth - 1) * block size 803 */ 804 #define XFS_CALC_ATTRINVAL_LOG_RES(mp) \ 805 (MAX( \ 806 ((mp)->m_sb.sb_inodesize + \ 807 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ 808 (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \ 809 ((4 * (mp)->m_sb.sb_sectsize) + \ 810 (4 * (mp)->m_sb.sb_sectsize) + \ 811 (mp)->m_sb.sb_sectsize + \ 812 XFS_ALLOCFREE_LOG_RES(mp, 4) + \ 813 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4)))))) 814 815 #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval) 816 817 /* 818 * Setting an attribute. 819 * the inode getting the attribute 820 * the superblock for allocations 821 * the agfs extents are allocated from 822 * the attribute btree * max depth 823 * the inode allocation btree 824 * Since attribute transaction space is dependent on the size of the attribute, 825 * the calculation is done partially at mount time and partially at runtime. 826 */ 827 #define XFS_CALC_ATTRSET_LOG_RES(mp) \ 828 ((mp)->m_sb.sb_inodesize + \ 829 (mp)->m_sb.sb_sectsize + \ 830 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ 831 (128 * (2 + XFS_DA_NODE_MAXDEPTH))) 832 833 #define XFS_ATTRSET_LOG_RES(mp, ext) \ 834 ((mp)->m_reservations.tr_attrset + \ 835 (ext * (mp)->m_sb.sb_sectsize) + \ 836 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \ 837 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))))) 838 839 /* 840 * Removing an attribute. 841 * the inode: inode size 842 * the attribute btree could join: max depth * block size 843 * the inode bmap btree could join or split: max depth * block size 844 * And the bmap_finish transaction can free the attr blocks freed giving: 845 * the agf for the ag in which the blocks live: 2 * sector size 846 * the agfl for the ag in which the blocks live: 2 * sector size 847 * the superblock for the free block count: sector size 848 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 849 */ 850 #define XFS_CALC_ATTRRM_LOG_RES(mp) \ 851 (MAX( \ 852 ((mp)->m_sb.sb_inodesize + \ 853 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ 854 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ 855 (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ 856 ((2 * (mp)->m_sb.sb_sectsize) + \ 857 (2 * (mp)->m_sb.sb_sectsize) + \ 858 (mp)->m_sb.sb_sectsize + \ 859 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 860 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 861 862 #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm) 863 864 /* 865 * Clearing a bad agino number in an agi hash bucket. 866 */ 867 #define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \ 868 ((mp)->m_sb.sb_sectsize + 128) 869 870 #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi) 871 872 873 /* 874 * Various log count values. 875 */ 876 #define XFS_DEFAULT_LOG_COUNT 1 877 #define XFS_DEFAULT_PERM_LOG_COUNT 2 878 #define XFS_ITRUNCATE_LOG_COUNT 2 879 #define XFS_INACTIVE_LOG_COUNT 2 880 #define XFS_CREATE_LOG_COUNT 2 881 #define XFS_MKDIR_LOG_COUNT 3 882 #define XFS_SYMLINK_LOG_COUNT 3 883 #define XFS_REMOVE_LOG_COUNT 2 884 #define XFS_LINK_LOG_COUNT 2 885 #define XFS_RENAME_LOG_COUNT 2 886 #define XFS_WRITE_LOG_COUNT 2 887 #define XFS_ADDAFORK_LOG_COUNT 2 888 #define XFS_ATTRINVAL_LOG_COUNT 1 889 #define XFS_ATTRSET_LOG_COUNT 3 890 #define XFS_ATTRRM_LOG_COUNT 3 891 892 /* 893 * Here we centralize the specification of XFS meta-data buffer 894 * reference count values. This determine how hard the buffer 895 * cache tries to hold onto the buffer. 896 */ 897 #define XFS_AGF_REF 4 898 #define XFS_AGI_REF 4 899 #define XFS_AGFL_REF 3 900 #define XFS_INO_BTREE_REF 3 901 #define XFS_ALLOC_BTREE_REF 2 902 #define XFS_BMAP_BTREE_REF 2 903 #define XFS_DIR_BTREE_REF 2 904 #define XFS_ATTR_BTREE_REF 1 905 #define XFS_INO_REF 1 906 #define XFS_DQUOT_REF 1 907 908 #ifdef __KERNEL__ 909 /* 910 * XFS transaction mechanism exported interfaces that are 911 * actually macros. 912 */ 913 #define xfs_trans_get_log_res(tp) ((tp)->t_log_res) 914 #define xfs_trans_get_log_count(tp) ((tp)->t_log_count) 915 #define xfs_trans_get_block_res(tp) ((tp)->t_blk_res) 916 #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC) 917 918 #ifdef DEBUG 919 #define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d) 920 #define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d) 921 #define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d) 922 #else 923 #define xfs_trans_agblocks_delta(tp, d) 924 #define xfs_trans_agflist_delta(tp, d) 925 #define xfs_trans_agbtree_delta(tp, d) 926 #endif 927 928 /* 929 * XFS transaction mechanism exported interfaces. 930 */ 931 void xfs_trans_init(struct xfs_mount *); 932 xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint); 933 xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint); 934 xfs_trans_t *xfs_trans_dup(xfs_trans_t *); 935 int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint, 936 uint, uint); 937 void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t); 938 struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t, 939 int, uint); 940 int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *, 941 struct xfs_buftarg *, xfs_daddr_t, int, uint, 942 struct xfs_buf **); 943 struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int); 944 945 void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *); 946 void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *); 947 void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *); 948 void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *); 949 void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *); 950 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *); 951 void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *); 952 void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint); 953 void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *); 954 int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *, 955 xfs_ino_t , uint, uint, struct xfs_inode **); 956 void xfs_trans_ijoin(xfs_trans_t *, struct xfs_inode *, uint); 957 void xfs_trans_ihold(xfs_trans_t *, struct xfs_inode *); 958 void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint); 959 void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint); 960 struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint); 961 void xfs_efi_release(struct xfs_efi_log_item *, uint); 962 void xfs_trans_log_efi_extent(xfs_trans_t *, 963 struct xfs_efi_log_item *, 964 xfs_fsblock_t, 965 xfs_extlen_t); 966 struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *, 967 struct xfs_efi_log_item *, 968 uint); 969 void xfs_trans_log_efd_extent(xfs_trans_t *, 970 struct xfs_efd_log_item *, 971 xfs_fsblock_t, 972 xfs_extlen_t); 973 int _xfs_trans_commit(xfs_trans_t *, 974 uint flags, 975 int *); 976 #define xfs_trans_commit(tp, flags) _xfs_trans_commit(tp, flags, NULL) 977 void xfs_trans_cancel(xfs_trans_t *, int); 978 int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *); 979 int xfs_trans_ail_init(struct xfs_mount *); 980 void xfs_trans_ail_destroy(struct xfs_mount *); 981 void xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t); 982 xfs_lsn_t xfs_trans_tail_ail(struct xfs_mount *); 983 void xfs_trans_unlocked_item(struct xfs_mount *, 984 xfs_log_item_t *); 985 xfs_log_busy_slot_t *xfs_trans_add_busy(xfs_trans_t *tp, 986 xfs_agnumber_t ag, 987 xfs_extlen_t idx); 988 989 extern kmem_zone_t *xfs_trans_zone; 990 991 #endif /* __KERNEL__ */ 992 993 #endif /* __XFS_TRANS_H__ */ 994