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 #define XFS_LIC_INIT(cp) xfs_lic_init(cp) 214 static inline void xfs_lic_init(xfs_log_item_chunk_t *cp) 215 { 216 cp->lic_free = XFS_LIC_FREEMASK; 217 } 218 219 #define XFS_LIC_INIT_SLOT(cp,slot) xfs_lic_init_slot(cp, slot) 220 static inline void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot) 221 { 222 cp->lic_descs[slot].lid_index = (unsigned char)(slot); 223 } 224 225 #define XFS_LIC_VACANCY(cp) xfs_lic_vacancy(cp) 226 static inline int xfs_lic_vacancy(xfs_log_item_chunk_t *cp) 227 { 228 return cp->lic_free & XFS_LIC_FREEMASK; 229 } 230 231 #define XFS_LIC_ALL_FREE(cp) xfs_lic_all_free(cp) 232 static inline void xfs_lic_all_free(xfs_log_item_chunk_t *cp) 233 { 234 cp->lic_free = XFS_LIC_FREEMASK; 235 } 236 237 #define XFS_LIC_ARE_ALL_FREE(cp) xfs_lic_are_all_free(cp) 238 static inline int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp) 239 { 240 return ((cp->lic_free & XFS_LIC_FREEMASK) == XFS_LIC_FREEMASK); 241 } 242 243 #define XFS_LIC_ISFREE(cp,slot) xfs_lic_isfree(cp,slot) 244 static inline int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot) 245 { 246 return (cp->lic_free & (1 << slot)); 247 } 248 249 #define XFS_LIC_CLAIM(cp,slot) xfs_lic_claim(cp,slot) 250 static inline void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot) 251 { 252 cp->lic_free &= ~(1 << slot); 253 } 254 255 #define XFS_LIC_RELSE(cp,slot) xfs_lic_relse(cp,slot) 256 static inline void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot) 257 { 258 cp->lic_free |= 1 << slot; 259 } 260 261 #define XFS_LIC_SLOT(cp,slot) xfs_lic_slot(cp,slot) 262 static inline xfs_log_item_desc_t * 263 xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot) 264 { 265 return &(cp->lic_descs[slot]); 266 } 267 268 #define XFS_LIC_DESC_TO_SLOT(dp) xfs_lic_desc_to_slot(dp) 269 static inline int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp) 270 { 271 return (uint)dp->lid_index; 272 } 273 274 /* 275 * Calculate the address of a chunk given a descriptor pointer: 276 * dp - dp->lid_index give the address of the start of the lic_descs array. 277 * From this we subtract the offset of the lic_descs field in a chunk. 278 * All of this yields the address of the chunk, which is 279 * cast to a chunk pointer. 280 */ 281 #define XFS_LIC_DESC_TO_CHUNK(dp) xfs_lic_desc_to_chunk(dp) 282 static inline xfs_log_item_chunk_t * 283 xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) 284 { 285 return (xfs_log_item_chunk_t*) \ 286 (((xfs_caddr_t)((dp) - (dp)->lid_index)) - \ 287 (xfs_caddr_t)(((xfs_log_item_chunk_t*)0)->lic_descs)); 288 } 289 290 #ifdef __KERNEL__ 291 /* 292 * This structure is used to maintain a list of block ranges that have been 293 * freed in the transaction. The ranges are listed in the perag[] busy list 294 * between when they're freed and the transaction is committed to disk. 295 */ 296 297 typedef struct xfs_log_busy_slot { 298 xfs_agnumber_t lbc_ag; 299 ushort lbc_idx; /* index in perag.busy[] */ 300 } xfs_log_busy_slot_t; 301 302 #define XFS_LBC_NUM_SLOTS 31 303 typedef struct xfs_log_busy_chunk { 304 struct xfs_log_busy_chunk *lbc_next; 305 uint lbc_free; /* free slots bitmask */ 306 ushort lbc_unused; /* first unused */ 307 xfs_log_busy_slot_t lbc_busy[XFS_LBC_NUM_SLOTS]; 308 } xfs_log_busy_chunk_t; 309 310 #define XFS_LBC_MAX_SLOT (XFS_LBC_NUM_SLOTS - 1) 311 #define XFS_LBC_FREEMASK ((1U << XFS_LBC_NUM_SLOTS) - 1) 312 313 #define XFS_LBC_INIT(cp) ((cp)->lbc_free = XFS_LBC_FREEMASK) 314 #define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot))) 315 #define XFS_LBC_SLOT(cp, slot) (&((cp)->lbc_busy[(slot)])) 316 #define XFS_LBC_VACANCY(cp) (((cp)->lbc_free) & XFS_LBC_FREEMASK) 317 #define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot))) 318 319 /* 320 * This is the type of function which can be given to xfs_trans_callback() 321 * to be called upon the transaction's commit to disk. 322 */ 323 typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *); 324 325 /* 326 * This is the structure maintained for every active transaction. 327 */ 328 typedef struct xfs_trans { 329 unsigned int t_magic; /* magic number */ 330 xfs_log_callback_t t_logcb; /* log callback struct */ 331 unsigned int t_type; /* transaction type */ 332 unsigned int t_log_res; /* amt of log space resvd */ 333 unsigned int t_log_count; /* count for perm log res */ 334 unsigned int t_blk_res; /* # of blocks resvd */ 335 unsigned int t_blk_res_used; /* # of resvd blocks used */ 336 unsigned int t_rtx_res; /* # of rt extents resvd */ 337 unsigned int t_rtx_res_used; /* # of resvd rt extents used */ 338 xfs_log_ticket_t t_ticket; /* log mgr ticket */ 339 xfs_lsn_t t_lsn; /* log seq num of start of 340 * transaction. */ 341 xfs_lsn_t t_commit_lsn; /* log seq num of end of 342 * transaction. */ 343 struct xfs_mount *t_mountp; /* ptr to fs mount struct */ 344 struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */ 345 xfs_trans_callback_t t_callback; /* transaction callback */ 346 void *t_callarg; /* callback arg */ 347 unsigned int t_flags; /* misc flags */ 348 int64_t t_icount_delta; /* superblock icount change */ 349 int64_t t_ifree_delta; /* superblock ifree change */ 350 int64_t t_fdblocks_delta; /* superblock fdblocks chg */ 351 int64_t t_res_fdblocks_delta; /* on-disk only chg */ 352 int64_t t_frextents_delta;/* superblock freextents chg*/ 353 int64_t t_res_frextents_delta; /* on-disk only chg */ 354 #ifdef DEBUG 355 int64_t t_ag_freeblks_delta; /* debugging counter */ 356 int64_t t_ag_flist_delta; /* debugging counter */ 357 int64_t t_ag_btree_delta; /* debugging counter */ 358 #endif 359 int64_t t_dblocks_delta;/* superblock dblocks change */ 360 int64_t t_agcount_delta;/* superblock agcount change */ 361 int64_t t_imaxpct_delta;/* superblock imaxpct change */ 362 int64_t t_rextsize_delta;/* superblock rextsize chg */ 363 int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */ 364 int64_t t_rblocks_delta;/* superblock rblocks change */ 365 int64_t t_rextents_delta;/* superblocks rextents chg */ 366 int64_t t_rextslog_delta;/* superblocks rextslog chg */ 367 unsigned int t_items_free; /* log item descs free */ 368 xfs_log_item_chunk_t t_items; /* first log item desc chunk */ 369 xfs_trans_header_t t_header; /* header for in-log trans */ 370 unsigned int t_busy_free; /* busy descs free */ 371 xfs_log_busy_chunk_t t_busy; /* busy/async free blocks */ 372 unsigned long t_pflags; /* saved process flags state */ 373 } xfs_trans_t; 374 375 #endif /* __KERNEL__ */ 376 377 378 #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */ 379 /* 380 * Values for t_flags. 381 */ 382 #define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */ 383 #define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */ 384 #define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */ 385 #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */ 386 #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */ 387 #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */ 388 389 /* 390 * Values for call flags parameter. 391 */ 392 #define XFS_TRANS_NOSLEEP 0x1 393 #define XFS_TRANS_WAIT 0x2 394 #define XFS_TRANS_RELEASE_LOG_RES 0x4 395 #define XFS_TRANS_ABORT 0x8 396 397 /* 398 * Field values for xfs_trans_mod_sb. 399 */ 400 #define XFS_TRANS_SB_ICOUNT 0x00000001 401 #define XFS_TRANS_SB_IFREE 0x00000002 402 #define XFS_TRANS_SB_FDBLOCKS 0x00000004 403 #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008 404 #define XFS_TRANS_SB_FREXTENTS 0x00000010 405 #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020 406 #define XFS_TRANS_SB_DBLOCKS 0x00000040 407 #define XFS_TRANS_SB_AGCOUNT 0x00000080 408 #define XFS_TRANS_SB_IMAXPCT 0x00000100 409 #define XFS_TRANS_SB_REXTSIZE 0x00000200 410 #define XFS_TRANS_SB_RBMBLOCKS 0x00000400 411 #define XFS_TRANS_SB_RBLOCKS 0x00000800 412 #define XFS_TRANS_SB_REXTENTS 0x00001000 413 #define XFS_TRANS_SB_REXTSLOG 0x00002000 414 415 416 /* 417 * Various log reservation values. 418 * These are based on the size of the file system block 419 * because that is what most transactions manipulate. 420 * Each adds in an additional 128 bytes per item logged to 421 * try to account for the overhead of the transaction mechanism. 422 * 423 * Note: 424 * Most of the reservations underestimate the number of allocation 425 * groups into which they could free extents in the xfs_bmap_finish() 426 * call. This is because the number in the worst case is quite high 427 * and quite unusual. In order to fix this we need to change 428 * xfs_bmap_finish() to free extents in only a single AG at a time. 429 * This will require changes to the EFI code as well, however, so that 430 * the EFI for the extents not freed is logged again in each transaction. 431 * See bug 261917. 432 */ 433 434 /* 435 * Per-extent log reservation for the allocation btree changes 436 * involved in freeing or allocating an extent. 437 * 2 trees * (2 blocks/level * max depth - 1) * block size 438 */ 439 #define XFS_ALLOCFREE_LOG_RES(mp,nx) \ 440 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1))) 441 #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \ 442 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1))) 443 444 /* 445 * Per-directory log reservation for any directory change. 446 * dir blocks: (1 btree block per level + data block + free block) * dblock size 447 * bmap btree: (levels + 2) * max depth * block size 448 * v2 directory blocks can be fragmented below the dirblksize down to the fsb 449 * size, so account for that in the DAENTER macros. 450 */ 451 #define XFS_DIROP_LOG_RES(mp) \ 452 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \ 453 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1))) 454 #define XFS_DIROP_LOG_COUNT(mp) \ 455 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ 456 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) 457 458 /* 459 * In a write transaction we can allocate a maximum of 2 460 * extents. This gives: 461 * the inode getting the new extents: inode size 462 * the inode\'s bmap btree: max depth * block size 463 * the agfs of the ags from which the extents are allocated: 2 * sector 464 * the superblock free block counter: sector size 465 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 466 * And the bmap_finish transaction can free bmap blocks in a join: 467 * the agfs of the ags containing the blocks: 2 * sector size 468 * the agfls of the ags containing the blocks: 2 * sector size 469 * the super block free block counter: sector size 470 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 471 */ 472 #define XFS_CALC_WRITE_LOG_RES(mp) \ 473 (MAX( \ 474 ((mp)->m_sb.sb_inodesize + \ 475 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ 476 (2 * (mp)->m_sb.sb_sectsize) + \ 477 (mp)->m_sb.sb_sectsize + \ 478 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 479 (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\ 480 ((2 * (mp)->m_sb.sb_sectsize) + \ 481 (2 * (mp)->m_sb.sb_sectsize) + \ 482 (mp)->m_sb.sb_sectsize + \ 483 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 484 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 485 486 #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write) 487 488 /* 489 * In truncating a file we free up to two extents at once. We can modify: 490 * the inode being truncated: inode size 491 * the inode\'s bmap btree: (max depth + 1) * block size 492 * And the bmap_finish transaction can free the blocks and bmap blocks: 493 * the agf for each of the ags: 4 * sector size 494 * the agfl for each of the ags: 4 * sector size 495 * the super block to reflect the freed blocks: sector size 496 * worst case split in allocation btrees per extent assuming 4 extents: 497 * 4 exts * 2 trees * (2 * max depth - 1) * block size 498 * the inode btree: max depth * blocksize 499 * the allocation btrees: 2 trees * (max depth - 1) * block size 500 */ 501 #define XFS_CALC_ITRUNCATE_LOG_RES(mp) \ 502 (MAX( \ 503 ((mp)->m_sb.sb_inodesize + \ 504 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \ 505 (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ 506 ((4 * (mp)->m_sb.sb_sectsize) + \ 507 (4 * (mp)->m_sb.sb_sectsize) + \ 508 (mp)->m_sb.sb_sectsize + \ 509 XFS_ALLOCFREE_LOG_RES(mp, 4) + \ 510 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \ 511 (128 * 5) + \ 512 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 513 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 514 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 515 516 #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate) 517 518 /* 519 * In renaming a files we can modify: 520 * the four inodes involved: 4 * inode size 521 * the two directory btrees: 2 * (max depth + v2) * dir block size 522 * the two directory bmap btrees: 2 * max depth * block size 523 * And the bmap_finish transaction can free dir and bmap blocks (two sets 524 * of bmap blocks) giving: 525 * the agf for the ags in which the blocks live: 3 * sector size 526 * the agfl for the ags in which the blocks live: 3 * sector size 527 * the superblock for the free block count: sector size 528 * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size 529 */ 530 #define XFS_CALC_RENAME_LOG_RES(mp) \ 531 (MAX( \ 532 ((4 * (mp)->m_sb.sb_inodesize) + \ 533 (2 * XFS_DIROP_LOG_RES(mp)) + \ 534 (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \ 535 ((3 * (mp)->m_sb.sb_sectsize) + \ 536 (3 * (mp)->m_sb.sb_sectsize) + \ 537 (mp)->m_sb.sb_sectsize + \ 538 XFS_ALLOCFREE_LOG_RES(mp, 3) + \ 539 (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3)))))) 540 541 #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename) 542 543 /* 544 * For creating a link to an inode: 545 * the parent directory inode: inode size 546 * the linked inode: inode size 547 * the directory btree could split: (max depth + v2) * dir block size 548 * the directory bmap btree could join or split: (max depth + v2) * blocksize 549 * And the bmap_finish transaction can free some bmap blocks giving: 550 * the agf for the ag in which the blocks live: sector size 551 * the agfl for the ag in which the blocks live: sector size 552 * the superblock for the free block count: sector size 553 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size 554 */ 555 #define XFS_CALC_LINK_LOG_RES(mp) \ 556 (MAX( \ 557 ((mp)->m_sb.sb_inodesize + \ 558 (mp)->m_sb.sb_inodesize + \ 559 XFS_DIROP_LOG_RES(mp) + \ 560 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ 561 ((mp)->m_sb.sb_sectsize + \ 562 (mp)->m_sb.sb_sectsize + \ 563 (mp)->m_sb.sb_sectsize + \ 564 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 565 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 566 567 #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link) 568 569 /* 570 * For removing a directory entry we can modify: 571 * the parent directory inode: inode size 572 * the removed inode: inode size 573 * the directory btree could join: (max depth + v2) * dir block size 574 * the directory bmap btree could join or split: (max depth + v2) * blocksize 575 * And the bmap_finish transaction can free the dir and bmap blocks giving: 576 * the agf for the ag in which the blocks live: 2 * sector size 577 * the agfl for the ag in which the blocks live: 2 * sector size 578 * the superblock for the free block count: sector size 579 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 580 */ 581 #define XFS_CALC_REMOVE_LOG_RES(mp) \ 582 (MAX( \ 583 ((mp)->m_sb.sb_inodesize + \ 584 (mp)->m_sb.sb_inodesize + \ 585 XFS_DIROP_LOG_RES(mp) + \ 586 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ 587 ((2 * (mp)->m_sb.sb_sectsize) + \ 588 (2 * (mp)->m_sb.sb_sectsize) + \ 589 (mp)->m_sb.sb_sectsize + \ 590 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 591 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 592 593 #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove) 594 595 /* 596 * For symlink we can modify: 597 * the parent directory inode: inode size 598 * the new inode: inode size 599 * the inode btree entry: 1 block 600 * the directory btree: (max depth + v2) * dir block size 601 * the directory inode\'s bmap btree: (max depth + v2) * block size 602 * the blocks for the symlink: 1 KB 603 * Or in the first xact we allocate some inodes giving: 604 * the agi and agf of the ag getting the new inodes: 2 * sectorsize 605 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize 606 * the inode btree: max depth * blocksize 607 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size 608 */ 609 #define XFS_CALC_SYMLINK_LOG_RES(mp) \ 610 (MAX( \ 611 ((mp)->m_sb.sb_inodesize + \ 612 (mp)->m_sb.sb_inodesize + \ 613 XFS_FSB_TO_B(mp, 1) + \ 614 XFS_DIROP_LOG_RES(mp) + \ 615 1024 + \ 616 (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \ 617 (2 * (mp)->m_sb.sb_sectsize + \ 618 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ 619 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \ 620 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 621 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 622 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 623 624 #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink) 625 626 /* 627 * For create we can modify: 628 * the parent directory inode: inode size 629 * the new inode: inode size 630 * the inode btree entry: block size 631 * the superblock for the nlink flag: sector size 632 * the directory btree: (max depth + v2) * dir block size 633 * the directory inode\'s bmap btree: (max depth + v2) * block size 634 * Or in the first xact we allocate some inodes giving: 635 * the agi and agf of the ag getting the new inodes: 2 * sectorsize 636 * the superblock for the nlink flag: sector size 637 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize 638 * the inode btree: max depth * blocksize 639 * the allocation btrees: 2 trees * (max depth - 1) * block size 640 */ 641 #define XFS_CALC_CREATE_LOG_RES(mp) \ 642 (MAX( \ 643 ((mp)->m_sb.sb_inodesize + \ 644 (mp)->m_sb.sb_inodesize + \ 645 (mp)->m_sb.sb_sectsize + \ 646 XFS_FSB_TO_B(mp, 1) + \ 647 XFS_DIROP_LOG_RES(mp) + \ 648 (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \ 649 (3 * (mp)->m_sb.sb_sectsize + \ 650 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ 651 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \ 652 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 653 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 654 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 655 656 #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create) 657 658 /* 659 * Making a new directory is the same as creating a new file. 660 */ 661 #define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp) 662 663 #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir) 664 665 /* 666 * In freeing an inode we can modify: 667 * the inode being freed: inode size 668 * the super block free inode counter: sector size 669 * the agi hash list and counters: sector size 670 * the inode btree entry: block size 671 * the on disk inode before ours in the agi hash list: inode cluster size 672 * the inode btree: max depth * blocksize 673 * the allocation btrees: 2 trees * (max depth - 1) * block size 674 */ 675 #define XFS_CALC_IFREE_LOG_RES(mp) \ 676 ((mp)->m_sb.sb_inodesize + \ 677 (mp)->m_sb.sb_sectsize + \ 678 (mp)->m_sb.sb_sectsize + \ 679 XFS_FSB_TO_B((mp), 1) + \ 680 MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \ 681 (128 * 5) + \ 682 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 683 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 684 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 685 686 687 #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree) 688 689 /* 690 * When only changing the inode we log the inode and possibly the superblock 691 * We also add a bit of slop for the transaction stuff. 692 */ 693 #define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \ 694 (mp)->m_sb.sb_sectsize + 512) 695 696 #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange) 697 698 /* 699 * Growing the data section of the filesystem. 700 * superblock 701 * agi and agf 702 * allocation btrees 703 */ 704 #define XFS_CALC_GROWDATA_LOG_RES(mp) \ 705 ((mp)->m_sb.sb_sectsize * 3 + \ 706 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 707 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 708 709 #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata) 710 711 /* 712 * Growing the rt section of the filesystem. 713 * In the first set of transactions (ALLOC) we allocate space to the 714 * bitmap or summary files. 715 * superblock: sector size 716 * agf of the ag from which the extent is allocated: sector size 717 * bmap btree for bitmap/summary inode: max depth * blocksize 718 * bitmap/summary inode: inode size 719 * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize 720 */ 721 #define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \ 722 (2 * (mp)->m_sb.sb_sectsize + \ 723 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ 724 (mp)->m_sb.sb_inodesize + \ 725 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 726 (128 * \ 727 (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \ 728 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 729 730 #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc) 731 732 /* 733 * Growing the rt section of the filesystem. 734 * In the second set of transactions (ZERO) we zero the new metadata blocks. 735 * one bitmap/summary block: blocksize 736 */ 737 #define XFS_CALC_GROWRTZERO_LOG_RES(mp) \ 738 ((mp)->m_sb.sb_blocksize + 128) 739 740 #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero) 741 742 /* 743 * Growing the rt section of the filesystem. 744 * In the third set of transactions (FREE) we update metadata without 745 * allocating any new blocks. 746 * superblock: sector size 747 * bitmap inode: inode size 748 * summary inode: inode size 749 * one bitmap block: blocksize 750 * summary blocks: new summary size 751 */ 752 #define XFS_CALC_GROWRTFREE_LOG_RES(mp) \ 753 ((mp)->m_sb.sb_sectsize + \ 754 2 * (mp)->m_sb.sb_inodesize + \ 755 (mp)->m_sb.sb_blocksize + \ 756 (mp)->m_rsumsize + \ 757 (128 * 5)) 758 759 #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree) 760 761 /* 762 * Logging the inode modification timestamp on a synchronous write. 763 * inode 764 */ 765 #define XFS_CALC_SWRITE_LOG_RES(mp) \ 766 ((mp)->m_sb.sb_inodesize + 128) 767 768 #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 769 770 /* 771 * Logging the inode timestamps on an fsync -- same as SWRITE 772 * as long as SWRITE logs the entire inode core 773 */ 774 #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 775 776 /* 777 * Logging the inode mode bits when writing a setuid/setgid file 778 * inode 779 */ 780 #define XFS_CALC_WRITEID_LOG_RES(mp) \ 781 ((mp)->m_sb.sb_inodesize + 128) 782 783 #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 784 785 /* 786 * Converting the inode from non-attributed to attributed. 787 * the inode being converted: inode size 788 * agf block and superblock (for block allocation) 789 * the new block (directory sized) 790 * bmap blocks for the new directory block 791 * allocation btrees 792 */ 793 #define XFS_CALC_ADDAFORK_LOG_RES(mp) \ 794 ((mp)->m_sb.sb_inodesize + \ 795 (mp)->m_sb.sb_sectsize * 2 + \ 796 (mp)->m_dirblksize + \ 797 XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1)) + \ 798 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 799 (128 * (4 + (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \ 800 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 801 802 #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork) 803 804 /* 805 * Removing the attribute fork of a file 806 * the inode being truncated: inode size 807 * the inode\'s bmap btree: max depth * block size 808 * And the bmap_finish transaction can free the blocks and bmap blocks: 809 * the agf for each of the ags: 4 * sector size 810 * the agfl for each of the ags: 4 * sector size 811 * the super block to reflect the freed blocks: sector size 812 * worst case split in allocation btrees per extent assuming 4 extents: 813 * 4 exts * 2 trees * (2 * max depth - 1) * block size 814 */ 815 #define XFS_CALC_ATTRINVAL_LOG_RES(mp) \ 816 (MAX( \ 817 ((mp)->m_sb.sb_inodesize + \ 818 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ 819 (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \ 820 ((4 * (mp)->m_sb.sb_sectsize) + \ 821 (4 * (mp)->m_sb.sb_sectsize) + \ 822 (mp)->m_sb.sb_sectsize + \ 823 XFS_ALLOCFREE_LOG_RES(mp, 4) + \ 824 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4)))))) 825 826 #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval) 827 828 /* 829 * Setting an attribute. 830 * the inode getting the attribute 831 * the superblock for allocations 832 * the agfs extents are allocated from 833 * the attribute btree * max depth 834 * the inode allocation btree 835 * Since attribute transaction space is dependent on the size of the attribute, 836 * the calculation is done partially at mount time and partially at runtime. 837 */ 838 #define XFS_CALC_ATTRSET_LOG_RES(mp) \ 839 ((mp)->m_sb.sb_inodesize + \ 840 (mp)->m_sb.sb_sectsize + \ 841 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ 842 (128 * (2 + XFS_DA_NODE_MAXDEPTH))) 843 844 #define XFS_ATTRSET_LOG_RES(mp, ext) \ 845 ((mp)->m_reservations.tr_attrset + \ 846 (ext * (mp)->m_sb.sb_sectsize) + \ 847 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \ 848 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))))) 849 850 /* 851 * Removing an attribute. 852 * the inode: inode size 853 * the attribute btree could join: max depth * block size 854 * the inode bmap btree could join or split: max depth * block size 855 * And the bmap_finish transaction can free the attr blocks freed giving: 856 * the agf for the ag in which the blocks live: 2 * sector size 857 * the agfl for the ag in which the blocks live: 2 * sector size 858 * the superblock for the free block count: sector size 859 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 860 */ 861 #define XFS_CALC_ATTRRM_LOG_RES(mp) \ 862 (MAX( \ 863 ((mp)->m_sb.sb_inodesize + \ 864 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ 865 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ 866 (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ 867 ((2 * (mp)->m_sb.sb_sectsize) + \ 868 (2 * (mp)->m_sb.sb_sectsize) + \ 869 (mp)->m_sb.sb_sectsize + \ 870 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 871 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 872 873 #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm) 874 875 /* 876 * Clearing a bad agino number in an agi hash bucket. 877 */ 878 #define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \ 879 ((mp)->m_sb.sb_sectsize + 128) 880 881 #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi) 882 883 884 /* 885 * Various log count values. 886 */ 887 #define XFS_DEFAULT_LOG_COUNT 1 888 #define XFS_DEFAULT_PERM_LOG_COUNT 2 889 #define XFS_ITRUNCATE_LOG_COUNT 2 890 #define XFS_INACTIVE_LOG_COUNT 2 891 #define XFS_CREATE_LOG_COUNT 2 892 #define XFS_MKDIR_LOG_COUNT 3 893 #define XFS_SYMLINK_LOG_COUNT 3 894 #define XFS_REMOVE_LOG_COUNT 2 895 #define XFS_LINK_LOG_COUNT 2 896 #define XFS_RENAME_LOG_COUNT 2 897 #define XFS_WRITE_LOG_COUNT 2 898 #define XFS_ADDAFORK_LOG_COUNT 2 899 #define XFS_ATTRINVAL_LOG_COUNT 1 900 #define XFS_ATTRSET_LOG_COUNT 3 901 #define XFS_ATTRRM_LOG_COUNT 3 902 903 /* 904 * Here we centralize the specification of XFS meta-data buffer 905 * reference count values. This determine how hard the buffer 906 * cache tries to hold onto the buffer. 907 */ 908 #define XFS_AGF_REF 4 909 #define XFS_AGI_REF 4 910 #define XFS_AGFL_REF 3 911 #define XFS_INO_BTREE_REF 3 912 #define XFS_ALLOC_BTREE_REF 2 913 #define XFS_BMAP_BTREE_REF 2 914 #define XFS_DIR_BTREE_REF 2 915 #define XFS_ATTR_BTREE_REF 1 916 #define XFS_INO_REF 1 917 #define XFS_DQUOT_REF 1 918 919 #ifdef __KERNEL__ 920 /* 921 * XFS transaction mechanism exported interfaces that are 922 * actually macros. 923 */ 924 #define xfs_trans_get_log_res(tp) ((tp)->t_log_res) 925 #define xfs_trans_get_log_count(tp) ((tp)->t_log_count) 926 #define xfs_trans_get_block_res(tp) ((tp)->t_blk_res) 927 #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC) 928 929 #ifdef DEBUG 930 #define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d) 931 #define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d) 932 #define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d) 933 #else 934 #define xfs_trans_agblocks_delta(tp, d) 935 #define xfs_trans_agflist_delta(tp, d) 936 #define xfs_trans_agbtree_delta(tp, d) 937 #endif 938 939 /* 940 * XFS transaction mechanism exported interfaces. 941 */ 942 void xfs_trans_init(struct xfs_mount *); 943 xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint); 944 xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint); 945 xfs_trans_t *xfs_trans_dup(xfs_trans_t *); 946 int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint, 947 uint, uint); 948 void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t); 949 struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t, 950 int, uint); 951 int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *, 952 struct xfs_buftarg *, xfs_daddr_t, int, uint, 953 struct xfs_buf **); 954 struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int); 955 956 void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *); 957 void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *); 958 void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *); 959 void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *); 960 void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *); 961 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *); 962 void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *); 963 void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint); 964 void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *); 965 int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *, 966 xfs_ino_t , uint, uint, struct xfs_inode **); 967 void xfs_trans_ijoin(xfs_trans_t *, struct xfs_inode *, uint); 968 void xfs_trans_ihold(xfs_trans_t *, struct xfs_inode *); 969 void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint); 970 void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint); 971 struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint); 972 void xfs_efi_release(struct xfs_efi_log_item *, uint); 973 void xfs_trans_log_efi_extent(xfs_trans_t *, 974 struct xfs_efi_log_item *, 975 xfs_fsblock_t, 976 xfs_extlen_t); 977 struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *, 978 struct xfs_efi_log_item *, 979 uint); 980 void xfs_trans_log_efd_extent(xfs_trans_t *, 981 struct xfs_efd_log_item *, 982 xfs_fsblock_t, 983 xfs_extlen_t); 984 int _xfs_trans_commit(xfs_trans_t *, 985 uint flags, 986 int *); 987 #define xfs_trans_commit(tp, flags) _xfs_trans_commit(tp, flags, NULL) 988 void xfs_trans_cancel(xfs_trans_t *, int); 989 int xfs_trans_ail_init(struct xfs_mount *); 990 void xfs_trans_ail_destroy(struct xfs_mount *); 991 void xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t); 992 xfs_lsn_t xfs_trans_tail_ail(struct xfs_mount *); 993 void xfs_trans_unlocked_item(struct xfs_mount *, 994 xfs_log_item_t *); 995 xfs_log_busy_slot_t *xfs_trans_add_busy(xfs_trans_t *tp, 996 xfs_agnumber_t ag, 997 xfs_extlen_t idx); 998 999 extern kmem_zone_t *xfs_trans_zone; 1000 1001 #endif /* __KERNEL__ */ 1002 1003 #endif /* __XFS_TRANS_H__ */ 1004