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_5_3_BUF 0x1234 /* v1 bufs, 1-block inode buffers */ 43 #define XFS_LI_5_3_INODE 0x1235 /* 1-block inode buffers */ 44 #define XFS_LI_EFI 0x1236 45 #define XFS_LI_EFD 0x1237 46 #define XFS_LI_IUNLINK 0x1238 47 #define XFS_LI_6_1_INODE 0x1239 /* 4K non-aligned inode bufs */ 48 #define XFS_LI_6_1_BUF 0x123a /* v1, 4K inode buffers */ 49 #define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */ 50 #define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */ 51 #define XFS_LI_DQUOT 0x123d 52 #define XFS_LI_QUOTAOFF 0x123e 53 54 /* 55 * Transaction types. Used to distinguish types of buffers. 56 */ 57 #define XFS_TRANS_SETATTR_NOT_SIZE 1 58 #define XFS_TRANS_SETATTR_SIZE 2 59 #define XFS_TRANS_INACTIVE 3 60 #define XFS_TRANS_CREATE 4 61 #define XFS_TRANS_CREATE_TRUNC 5 62 #define XFS_TRANS_TRUNCATE_FILE 6 63 #define XFS_TRANS_REMOVE 7 64 #define XFS_TRANS_LINK 8 65 #define XFS_TRANS_RENAME 9 66 #define XFS_TRANS_MKDIR 10 67 #define XFS_TRANS_RMDIR 11 68 #define XFS_TRANS_SYMLINK 12 69 #define XFS_TRANS_SET_DMATTRS 13 70 #define XFS_TRANS_GROWFS 14 71 #define XFS_TRANS_STRAT_WRITE 15 72 #define XFS_TRANS_DIOSTRAT 16 73 #define XFS_TRANS_WRITE_SYNC 17 74 #define XFS_TRANS_WRITEID 18 75 #define XFS_TRANS_ADDAFORK 19 76 #define XFS_TRANS_ATTRINVAL 20 77 #define XFS_TRANS_ATRUNCATE 21 78 #define XFS_TRANS_ATTR_SET 22 79 #define XFS_TRANS_ATTR_RM 23 80 #define XFS_TRANS_ATTR_FLAG 24 81 #define XFS_TRANS_CLEAR_AGI_BUCKET 25 82 #define XFS_TRANS_QM_SBCHANGE 26 83 /* 84 * Dummy entries since we use the transaction type to index into the 85 * trans_type[] in xlog_recover_print_trans_head() 86 */ 87 #define XFS_TRANS_DUMMY1 27 88 #define XFS_TRANS_DUMMY2 28 89 #define XFS_TRANS_QM_QUOTAOFF 29 90 #define XFS_TRANS_QM_DQALLOC 30 91 #define XFS_TRANS_QM_SETQLIM 31 92 #define XFS_TRANS_QM_DQCLUSTER 32 93 #define XFS_TRANS_QM_QINOCREATE 33 94 #define XFS_TRANS_QM_QUOTAOFF_END 34 95 #define XFS_TRANS_SB_UNIT 35 96 #define XFS_TRANS_FSYNC_TS 36 97 #define XFS_TRANS_GROWFSRT_ALLOC 37 98 #define XFS_TRANS_GROWFSRT_ZERO 38 99 #define XFS_TRANS_GROWFSRT_FREE 39 100 #define XFS_TRANS_SWAPEXT 40 101 #define XFS_TRANS_TYPE_MAX 40 102 /* new transaction types need to be reflected in xfs_logprint(8) */ 103 104 105 #ifdef __KERNEL__ 106 struct xfs_buf; 107 struct xfs_buftarg; 108 struct xfs_efd_log_item; 109 struct xfs_efi_log_item; 110 struct xfs_inode; 111 struct xfs_item_ops; 112 struct xfs_log_iovec; 113 struct xfs_log_item; 114 struct xfs_log_item_desc; 115 struct xfs_mount; 116 struct xfs_trans; 117 struct xfs_dquot_acct; 118 119 typedef struct xfs_ail_entry { 120 struct xfs_log_item *ail_forw; /* AIL forw pointer */ 121 struct xfs_log_item *ail_back; /* AIL back pointer */ 122 } xfs_ail_entry_t; 123 124 typedef struct xfs_log_item { 125 xfs_ail_entry_t li_ail; /* AIL pointers */ 126 xfs_lsn_t li_lsn; /* last on-disk lsn */ 127 struct xfs_log_item_desc *li_desc; /* ptr to current desc*/ 128 struct xfs_mount *li_mountp; /* ptr to fs mount */ 129 uint li_type; /* item type */ 130 uint li_flags; /* misc flags */ 131 struct xfs_log_item *li_bio_list; /* buffer item list */ 132 void (*li_cb)(struct xfs_buf *, 133 struct xfs_log_item *); 134 /* buffer item iodone */ 135 /* callback func */ 136 struct xfs_item_ops *li_ops; /* function list */ 137 } xfs_log_item_t; 138 139 #define XFS_LI_IN_AIL 0x1 140 #define XFS_LI_ABORTED 0x2 141 142 typedef struct xfs_item_ops { 143 uint (*iop_size)(xfs_log_item_t *); 144 void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *); 145 void (*iop_pin)(xfs_log_item_t *); 146 void (*iop_unpin)(xfs_log_item_t *, int); 147 void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *); 148 uint (*iop_trylock)(xfs_log_item_t *); 149 void (*iop_unlock)(xfs_log_item_t *); 150 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t); 151 void (*iop_push)(xfs_log_item_t *); 152 void (*iop_abort)(xfs_log_item_t *); 153 void (*iop_pushbuf)(xfs_log_item_t *); 154 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t); 155 } xfs_item_ops_t; 156 157 #define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip) 158 #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp) 159 #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip) 160 #define IOP_UNPIN(ip, flags) (*(ip)->li_ops->iop_unpin)(ip, flags) 161 #define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp) 162 #define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip) 163 #define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip) 164 #define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn) 165 #define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip) 166 #define IOP_ABORT(ip) (*(ip)->li_ops->iop_abort)(ip) 167 #define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip) 168 #define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn) 169 170 /* 171 * Return values for the IOP_TRYLOCK() routines. 172 */ 173 #define XFS_ITEM_SUCCESS 0 174 #define XFS_ITEM_PINNED 1 175 #define XFS_ITEM_LOCKED 2 176 #define XFS_ITEM_FLUSHING 3 177 #define XFS_ITEM_PUSHBUF 4 178 179 #endif /* __KERNEL__ */ 180 181 /* 182 * This structure is used to track log items associated with 183 * a transaction. It points to the log item and keeps some 184 * flags to track the state of the log item. It also tracks 185 * the amount of space needed to log the item it describes 186 * once we get to commit processing (see xfs_trans_commit()). 187 */ 188 typedef struct xfs_log_item_desc { 189 xfs_log_item_t *lid_item; 190 ushort lid_size; 191 unsigned char lid_flags; 192 unsigned char lid_index; 193 } xfs_log_item_desc_t; 194 195 #define XFS_LID_DIRTY 0x1 196 #define XFS_LID_PINNED 0x2 197 #define XFS_LID_BUF_STALE 0x8 198 199 /* 200 * This structure is used to maintain a chunk list of log_item_desc 201 * structures. The free field is a bitmask indicating which descriptors 202 * in this chunk's array are free. The unused field is the first value 203 * not used since this chunk was allocated. 204 */ 205 #define XFS_LIC_NUM_SLOTS 15 206 typedef struct xfs_log_item_chunk { 207 struct xfs_log_item_chunk *lic_next; 208 ushort lic_free; 209 ushort lic_unused; 210 xfs_log_item_desc_t lic_descs[XFS_LIC_NUM_SLOTS]; 211 } xfs_log_item_chunk_t; 212 213 #define XFS_LIC_MAX_SLOT (XFS_LIC_NUM_SLOTS - 1) 214 #define XFS_LIC_FREEMASK ((1 << XFS_LIC_NUM_SLOTS) - 1) 215 216 217 /* 218 * Initialize the given chunk. Set the chunk's free descriptor mask 219 * to indicate that all descriptors are free. The caller gets to set 220 * lic_unused to the right value (0 matches all free). The 221 * lic_descs.lid_index values are set up as each desc is allocated. 222 */ 223 #define XFS_LIC_INIT(cp) xfs_lic_init(cp) 224 static inline void xfs_lic_init(xfs_log_item_chunk_t *cp) 225 { 226 cp->lic_free = XFS_LIC_FREEMASK; 227 } 228 229 #define XFS_LIC_INIT_SLOT(cp,slot) xfs_lic_init_slot(cp, slot) 230 static inline void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot) 231 { 232 cp->lic_descs[slot].lid_index = (unsigned char)(slot); 233 } 234 235 #define XFS_LIC_VACANCY(cp) xfs_lic_vacancy(cp) 236 static inline int xfs_lic_vacancy(xfs_log_item_chunk_t *cp) 237 { 238 return cp->lic_free & XFS_LIC_FREEMASK; 239 } 240 241 #define XFS_LIC_ALL_FREE(cp) xfs_lic_all_free(cp) 242 static inline void xfs_lic_all_free(xfs_log_item_chunk_t *cp) 243 { 244 cp->lic_free = XFS_LIC_FREEMASK; 245 } 246 247 #define XFS_LIC_ARE_ALL_FREE(cp) xfs_lic_are_all_free(cp) 248 static inline int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp) 249 { 250 return ((cp->lic_free & XFS_LIC_FREEMASK) == XFS_LIC_FREEMASK); 251 } 252 253 #define XFS_LIC_ISFREE(cp,slot) xfs_lic_isfree(cp,slot) 254 static inline int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot) 255 { 256 return (cp->lic_free & (1 << slot)); 257 } 258 259 #define XFS_LIC_CLAIM(cp,slot) xfs_lic_claim(cp,slot) 260 static inline void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot) 261 { 262 cp->lic_free &= ~(1 << slot); 263 } 264 265 #define XFS_LIC_RELSE(cp,slot) xfs_lic_relse(cp,slot) 266 static inline void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot) 267 { 268 cp->lic_free |= 1 << slot; 269 } 270 271 #define XFS_LIC_SLOT(cp,slot) xfs_lic_slot(cp,slot) 272 static inline xfs_log_item_desc_t * 273 xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot) 274 { 275 return &(cp->lic_descs[slot]); 276 } 277 278 #define XFS_LIC_DESC_TO_SLOT(dp) xfs_lic_desc_to_slot(dp) 279 static inline int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp) 280 { 281 return (uint)dp->lid_index; 282 } 283 284 /* 285 * Calculate the address of a chunk given a descriptor pointer: 286 * dp - dp->lid_index give the address of the start of the lic_descs array. 287 * From this we subtract the offset of the lic_descs field in a chunk. 288 * All of this yields the address of the chunk, which is 289 * cast to a chunk pointer. 290 */ 291 #define XFS_LIC_DESC_TO_CHUNK(dp) xfs_lic_desc_to_chunk(dp) 292 static inline xfs_log_item_chunk_t * 293 xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) 294 { 295 return (xfs_log_item_chunk_t*) \ 296 (((xfs_caddr_t)((dp) - (dp)->lid_index)) - \ 297 (xfs_caddr_t)(((xfs_log_item_chunk_t*)0)->lic_descs)); 298 } 299 300 #ifdef __KERNEL__ 301 /* 302 * This structure is used to maintain a list of block ranges that have been 303 * freed in the transaction. The ranges are listed in the perag[] busy list 304 * between when they're freed and the transaction is committed to disk. 305 */ 306 307 typedef struct xfs_log_busy_slot { 308 xfs_agnumber_t lbc_ag; 309 ushort lbc_idx; /* index in perag.busy[] */ 310 } xfs_log_busy_slot_t; 311 312 #define XFS_LBC_NUM_SLOTS 31 313 typedef struct xfs_log_busy_chunk { 314 struct xfs_log_busy_chunk *lbc_next; 315 uint lbc_free; /* free slots bitmask */ 316 ushort lbc_unused; /* first unused */ 317 xfs_log_busy_slot_t lbc_busy[XFS_LBC_NUM_SLOTS]; 318 } xfs_log_busy_chunk_t; 319 320 #define XFS_LBC_MAX_SLOT (XFS_LBC_NUM_SLOTS - 1) 321 #define XFS_LBC_FREEMASK ((1U << XFS_LBC_NUM_SLOTS) - 1) 322 323 #define XFS_LBC_INIT(cp) ((cp)->lbc_free = XFS_LBC_FREEMASK) 324 #define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot))) 325 #define XFS_LBC_SLOT(cp, slot) (&((cp)->lbc_busy[(slot)])) 326 #define XFS_LBC_VACANCY(cp) (((cp)->lbc_free) & XFS_LBC_FREEMASK) 327 #define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot))) 328 329 /* 330 * This is the type of function which can be given to xfs_trans_callback() 331 * to be called upon the transaction's commit to disk. 332 */ 333 typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *); 334 335 /* 336 * This is the structure maintained for every active transaction. 337 */ 338 typedef struct xfs_trans { 339 unsigned int t_magic; /* magic number */ 340 xfs_log_callback_t t_logcb; /* log callback struct */ 341 struct xfs_trans *t_forw; /* async list pointers */ 342 struct xfs_trans *t_back; /* async list pointers */ 343 unsigned int t_type; /* transaction type */ 344 unsigned int t_log_res; /* amt of log space resvd */ 345 unsigned int t_log_count; /* count for perm log res */ 346 unsigned int t_blk_res; /* # of blocks resvd */ 347 unsigned int t_blk_res_used; /* # of resvd blocks used */ 348 unsigned int t_rtx_res; /* # of rt extents resvd */ 349 unsigned int t_rtx_res_used; /* # of resvd rt extents used */ 350 xfs_log_ticket_t t_ticket; /* log mgr ticket */ 351 sema_t t_sema; /* sema for commit completion */ 352 xfs_lsn_t t_lsn; /* log seq num of start of 353 * transaction. */ 354 xfs_lsn_t t_commit_lsn; /* log seq num of end of 355 * transaction. */ 356 struct xfs_mount *t_mountp; /* ptr to fs mount struct */ 357 struct xfs_dquot_acct *t_dqinfo; /* accting info for dquots */ 358 xfs_trans_callback_t t_callback; /* transaction callback */ 359 void *t_callarg; /* callback arg */ 360 unsigned int t_flags; /* misc flags */ 361 long t_icount_delta; /* superblock icount change */ 362 long t_ifree_delta; /* superblock ifree change */ 363 long t_fdblocks_delta; /* superblock fdblocks chg */ 364 long t_res_fdblocks_delta; /* on-disk only chg */ 365 long t_frextents_delta;/* superblock freextents chg*/ 366 long t_res_frextents_delta; /* on-disk only chg */ 367 long t_ag_freeblks_delta; /* debugging counter */ 368 long t_ag_flist_delta; /* debugging counter */ 369 long t_ag_btree_delta; /* debugging counter */ 370 long t_dblocks_delta;/* superblock dblocks change */ 371 long t_agcount_delta;/* superblock agcount change */ 372 long t_imaxpct_delta;/* superblock imaxpct change */ 373 long t_rextsize_delta;/* superblock rextsize chg */ 374 long t_rbmblocks_delta;/* superblock rbmblocks chg */ 375 long t_rblocks_delta;/* superblock rblocks change */ 376 long t_rextents_delta;/* superblocks rextents chg */ 377 long t_rextslog_delta;/* superblocks rextslog chg */ 378 unsigned int t_items_free; /* log item descs free */ 379 xfs_log_item_chunk_t t_items; /* first log item desc chunk */ 380 xfs_trans_header_t t_header; /* header for in-log trans */ 381 unsigned int t_busy_free; /* busy descs free */ 382 xfs_log_busy_chunk_t t_busy; /* busy/async free blocks */ 383 xfs_pflags_t t_pflags; /* saved pflags state */ 384 } xfs_trans_t; 385 386 #endif /* __KERNEL__ */ 387 388 389 #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */ 390 /* 391 * Values for t_flags. 392 */ 393 #define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */ 394 #define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */ 395 #define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */ 396 #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */ 397 #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */ 398 #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */ 399 400 /* 401 * Values for call flags parameter. 402 */ 403 #define XFS_TRANS_NOSLEEP 0x1 404 #define XFS_TRANS_WAIT 0x2 405 #define XFS_TRANS_RELEASE_LOG_RES 0x4 406 #define XFS_TRANS_ABORT 0x8 407 408 /* 409 * Field values for xfs_trans_mod_sb. 410 */ 411 #define XFS_TRANS_SB_ICOUNT 0x00000001 412 #define XFS_TRANS_SB_IFREE 0x00000002 413 #define XFS_TRANS_SB_FDBLOCKS 0x00000004 414 #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008 415 #define XFS_TRANS_SB_FREXTENTS 0x00000010 416 #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020 417 #define XFS_TRANS_SB_DBLOCKS 0x00000040 418 #define XFS_TRANS_SB_AGCOUNT 0x00000080 419 #define XFS_TRANS_SB_IMAXPCT 0x00000100 420 #define XFS_TRANS_SB_REXTSIZE 0x00000200 421 #define XFS_TRANS_SB_RBMBLOCKS 0x00000400 422 #define XFS_TRANS_SB_RBLOCKS 0x00000800 423 #define XFS_TRANS_SB_REXTENTS 0x00001000 424 #define XFS_TRANS_SB_REXTSLOG 0x00002000 425 426 427 /* 428 * Various log reservation values. 429 * These are based on the size of the file system block 430 * because that is what most transactions manipulate. 431 * Each adds in an additional 128 bytes per item logged to 432 * try to account for the overhead of the transaction mechanism. 433 * 434 * Note: 435 * Most of the reservations underestimate the number of allocation 436 * groups into which they could free extents in the xfs_bmap_finish() 437 * call. This is because the number in the worst case is quite high 438 * and quite unusual. In order to fix this we need to change 439 * xfs_bmap_finish() to free extents in only a single AG at a time. 440 * This will require changes to the EFI code as well, however, so that 441 * the EFI for the extents not freed is logged again in each transaction. 442 * See bug 261917. 443 */ 444 445 /* 446 * Per-extent log reservation for the allocation btree changes 447 * involved in freeing or allocating an extent. 448 * 2 trees * (2 blocks/level * max depth - 1) * block size 449 */ 450 #define XFS_ALLOCFREE_LOG_RES(mp,nx) \ 451 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1))) 452 #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \ 453 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1))) 454 455 /* 456 * Per-directory log reservation for any directory change. 457 * dir blocks: (1 btree block per level + data block + free block) * dblock size 458 * bmap btree: (levels + 2) * max depth * block size 459 * v2 directory blocks can be fragmented below the dirblksize down to the fsb 460 * size, so account for that in the DAENTER macros. 461 */ 462 #define XFS_DIROP_LOG_RES(mp) \ 463 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \ 464 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1))) 465 #define XFS_DIROP_LOG_COUNT(mp) \ 466 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ 467 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) 468 469 /* 470 * In a write transaction we can allocate a maximum of 2 471 * extents. This gives: 472 * the inode getting the new extents: inode size 473 * the inode\'s bmap btree: max depth * block size 474 * the agfs of the ags from which the extents are allocated: 2 * sector 475 * the superblock free block counter: sector size 476 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 477 * And the bmap_finish transaction can free bmap blocks in a join: 478 * the agfs of the ags containing the blocks: 2 * sector size 479 * the agfls of the ags containing the blocks: 2 * sector size 480 * the super block free block counter: sector size 481 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 482 */ 483 #define XFS_CALC_WRITE_LOG_RES(mp) \ 484 (MAX( \ 485 ((mp)->m_sb.sb_inodesize + \ 486 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ 487 (2 * (mp)->m_sb.sb_sectsize) + \ 488 (mp)->m_sb.sb_sectsize + \ 489 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 490 (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\ 491 ((2 * (mp)->m_sb.sb_sectsize) + \ 492 (2 * (mp)->m_sb.sb_sectsize) + \ 493 (mp)->m_sb.sb_sectsize + \ 494 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 495 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 496 497 #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write) 498 499 /* 500 * In truncating a file we free up to two extents at once. We can modify: 501 * the inode being truncated: inode size 502 * the inode\'s bmap btree: (max depth + 1) * block size 503 * And the bmap_finish transaction can free the blocks and bmap blocks: 504 * the agf for each of the ags: 4 * sector size 505 * the agfl for each of the ags: 4 * sector size 506 * the super block to reflect the freed blocks: sector size 507 * worst case split in allocation btrees per extent assuming 4 extents: 508 * 4 exts * 2 trees * (2 * max depth - 1) * block size 509 * the inode btree: max depth * blocksize 510 * the allocation btrees: 2 trees * (max depth - 1) * block size 511 */ 512 #define XFS_CALC_ITRUNCATE_LOG_RES(mp) \ 513 (MAX( \ 514 ((mp)->m_sb.sb_inodesize + \ 515 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \ 516 (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ 517 ((4 * (mp)->m_sb.sb_sectsize) + \ 518 (4 * (mp)->m_sb.sb_sectsize) + \ 519 (mp)->m_sb.sb_sectsize + \ 520 XFS_ALLOCFREE_LOG_RES(mp, 4) + \ 521 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \ 522 (128 * 5) + \ 523 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 524 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 525 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 526 527 #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate) 528 529 /* 530 * In renaming a files we can modify: 531 * the four inodes involved: 4 * inode size 532 * the two directory btrees: 2 * (max depth + v2) * dir block size 533 * the two directory bmap btrees: 2 * max depth * block size 534 * And the bmap_finish transaction can free dir and bmap blocks (two sets 535 * of bmap blocks) giving: 536 * the agf for the ags in which the blocks live: 3 * sector size 537 * the agfl for the ags in which the blocks live: 3 * sector size 538 * the superblock for the free block count: sector size 539 * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size 540 */ 541 #define XFS_CALC_RENAME_LOG_RES(mp) \ 542 (MAX( \ 543 ((4 * (mp)->m_sb.sb_inodesize) + \ 544 (2 * XFS_DIROP_LOG_RES(mp)) + \ 545 (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \ 546 ((3 * (mp)->m_sb.sb_sectsize) + \ 547 (3 * (mp)->m_sb.sb_sectsize) + \ 548 (mp)->m_sb.sb_sectsize + \ 549 XFS_ALLOCFREE_LOG_RES(mp, 3) + \ 550 (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3)))))) 551 552 #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename) 553 554 /* 555 * For creating a link to an inode: 556 * the parent directory inode: inode size 557 * the linked inode: inode size 558 * the directory btree could split: (max depth + v2) * dir block size 559 * the directory bmap btree could join or split: (max depth + v2) * blocksize 560 * And the bmap_finish transaction can free some bmap blocks giving: 561 * the agf for the ag in which the blocks live: sector size 562 * the agfl for the ag in which the blocks live: sector size 563 * the superblock for the free block count: sector size 564 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size 565 */ 566 #define XFS_CALC_LINK_LOG_RES(mp) \ 567 (MAX( \ 568 ((mp)->m_sb.sb_inodesize + \ 569 (mp)->m_sb.sb_inodesize + \ 570 XFS_DIROP_LOG_RES(mp) + \ 571 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ 572 ((mp)->m_sb.sb_sectsize + \ 573 (mp)->m_sb.sb_sectsize + \ 574 (mp)->m_sb.sb_sectsize + \ 575 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 576 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 577 578 #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link) 579 580 /* 581 * For removing a directory entry we can modify: 582 * the parent directory inode: inode size 583 * the removed inode: inode size 584 * the directory btree could join: (max depth + v2) * dir block size 585 * the directory bmap btree could join or split: (max depth + v2) * blocksize 586 * And the bmap_finish transaction can free the dir and bmap blocks giving: 587 * the agf for the ag in which the blocks live: 2 * sector size 588 * the agfl for the ag in which the blocks live: 2 * sector size 589 * the superblock for the free block count: sector size 590 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 591 */ 592 #define XFS_CALC_REMOVE_LOG_RES(mp) \ 593 (MAX( \ 594 ((mp)->m_sb.sb_inodesize + \ 595 (mp)->m_sb.sb_inodesize + \ 596 XFS_DIROP_LOG_RES(mp) + \ 597 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ 598 ((2 * (mp)->m_sb.sb_sectsize) + \ 599 (2 * (mp)->m_sb.sb_sectsize) + \ 600 (mp)->m_sb.sb_sectsize + \ 601 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 602 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 603 604 #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove) 605 606 /* 607 * For symlink we can modify: 608 * the parent directory inode: inode size 609 * the new inode: inode size 610 * the inode btree entry: 1 block 611 * the directory btree: (max depth + v2) * dir block size 612 * the directory inode\'s bmap btree: (max depth + v2) * block size 613 * the blocks for the symlink: 1 KB 614 * Or in the first xact we allocate some inodes giving: 615 * the agi and agf of the ag getting the new inodes: 2 * sectorsize 616 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize 617 * the inode btree: max depth * blocksize 618 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size 619 */ 620 #define XFS_CALC_SYMLINK_LOG_RES(mp) \ 621 (MAX( \ 622 ((mp)->m_sb.sb_inodesize + \ 623 (mp)->m_sb.sb_inodesize + \ 624 XFS_FSB_TO_B(mp, 1) + \ 625 XFS_DIROP_LOG_RES(mp) + \ 626 1024 + \ 627 (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \ 628 (2 * (mp)->m_sb.sb_sectsize + \ 629 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ 630 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \ 631 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 632 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 633 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 634 635 #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink) 636 637 /* 638 * For create we can modify: 639 * the parent directory inode: inode size 640 * the new inode: inode size 641 * the inode btree entry: block size 642 * the superblock for the nlink flag: sector size 643 * the directory btree: (max depth + v2) * dir block size 644 * the directory inode\'s bmap btree: (max depth + v2) * block size 645 * Or in the first xact we allocate some inodes giving: 646 * the agi and agf of the ag getting the new inodes: 2 * sectorsize 647 * the superblock for the nlink flag: sector size 648 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize 649 * the inode btree: max depth * blocksize 650 * the allocation btrees: 2 trees * (max depth - 1) * block size 651 */ 652 #define XFS_CALC_CREATE_LOG_RES(mp) \ 653 (MAX( \ 654 ((mp)->m_sb.sb_inodesize + \ 655 (mp)->m_sb.sb_inodesize + \ 656 (mp)->m_sb.sb_sectsize + \ 657 XFS_FSB_TO_B(mp, 1) + \ 658 XFS_DIROP_LOG_RES(mp) + \ 659 (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \ 660 (3 * (mp)->m_sb.sb_sectsize + \ 661 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ 662 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \ 663 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 664 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 665 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 666 667 #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create) 668 669 /* 670 * Making a new directory is the same as creating a new file. 671 */ 672 #define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp) 673 674 #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir) 675 676 /* 677 * In freeing an inode we can modify: 678 * the inode being freed: inode size 679 * the super block free inode counter: sector size 680 * the agi hash list and counters: sector size 681 * the inode btree entry: block size 682 * the on disk inode before ours in the agi hash list: inode cluster size 683 * the inode btree: max depth * blocksize 684 * the allocation btrees: 2 trees * (max depth - 1) * block size 685 */ 686 #define XFS_CALC_IFREE_LOG_RES(mp) \ 687 ((mp)->m_sb.sb_inodesize + \ 688 (mp)->m_sb.sb_sectsize + \ 689 (mp)->m_sb.sb_sectsize + \ 690 XFS_FSB_TO_B((mp), 1) + \ 691 MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \ 692 (128 * 5) + \ 693 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 694 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 695 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 696 697 698 #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree) 699 700 /* 701 * When only changing the inode we log the inode and possibly the superblock 702 * We also add a bit of slop for the transaction stuff. 703 */ 704 #define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \ 705 (mp)->m_sb.sb_sectsize + 512) 706 707 #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange) 708 709 /* 710 * Growing the data section of the filesystem. 711 * superblock 712 * agi and agf 713 * allocation btrees 714 */ 715 #define XFS_CALC_GROWDATA_LOG_RES(mp) \ 716 ((mp)->m_sb.sb_sectsize * 3 + \ 717 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 718 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 719 720 #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata) 721 722 /* 723 * Growing the rt section of the filesystem. 724 * In the first set of transactions (ALLOC) we allocate space to the 725 * bitmap or summary files. 726 * superblock: sector size 727 * agf of the ag from which the extent is allocated: sector size 728 * bmap btree for bitmap/summary inode: max depth * blocksize 729 * bitmap/summary inode: inode size 730 * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize 731 */ 732 #define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \ 733 (2 * (mp)->m_sb.sb_sectsize + \ 734 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ 735 (mp)->m_sb.sb_inodesize + \ 736 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 737 (128 * \ 738 (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \ 739 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 740 741 #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc) 742 743 /* 744 * Growing the rt section of the filesystem. 745 * In the second set of transactions (ZERO) we zero the new metadata blocks. 746 * one bitmap/summary block: blocksize 747 */ 748 #define XFS_CALC_GROWRTZERO_LOG_RES(mp) \ 749 ((mp)->m_sb.sb_blocksize + 128) 750 751 #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero) 752 753 /* 754 * Growing the rt section of the filesystem. 755 * In the third set of transactions (FREE) we update metadata without 756 * allocating any new blocks. 757 * superblock: sector size 758 * bitmap inode: inode size 759 * summary inode: inode size 760 * one bitmap block: blocksize 761 * summary blocks: new summary size 762 */ 763 #define XFS_CALC_GROWRTFREE_LOG_RES(mp) \ 764 ((mp)->m_sb.sb_sectsize + \ 765 2 * (mp)->m_sb.sb_inodesize + \ 766 (mp)->m_sb.sb_blocksize + \ 767 (mp)->m_rsumsize + \ 768 (128 * 5)) 769 770 #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree) 771 772 /* 773 * Logging the inode modification timestamp on a synchronous write. 774 * inode 775 */ 776 #define XFS_CALC_SWRITE_LOG_RES(mp) \ 777 ((mp)->m_sb.sb_inodesize + 128) 778 779 #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 780 781 /* 782 * Logging the inode timestamps on an fsync -- same as SWRITE 783 * as long as SWRITE logs the entire inode core 784 */ 785 #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 786 787 /* 788 * Logging the inode mode bits when writing a setuid/setgid file 789 * inode 790 */ 791 #define XFS_CALC_WRITEID_LOG_RES(mp) \ 792 ((mp)->m_sb.sb_inodesize + 128) 793 794 #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 795 796 /* 797 * Converting the inode from non-attributed to attributed. 798 * the inode being converted: inode size 799 * agf block and superblock (for block allocation) 800 * the new block (directory sized) 801 * bmap blocks for the new directory block 802 * allocation btrees 803 */ 804 #define XFS_CALC_ADDAFORK_LOG_RES(mp) \ 805 ((mp)->m_sb.sb_inodesize + \ 806 (mp)->m_sb.sb_sectsize * 2 + \ 807 (mp)->m_dirblksize + \ 808 (XFS_DIR_IS_V1(mp) ? 0 : \ 809 XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1))) + \ 810 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 811 (128 * (4 + \ 812 (XFS_DIR_IS_V1(mp) ? 0 : \ 813 XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \ 814 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 815 816 #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork) 817 818 /* 819 * Removing the attribute fork of a file 820 * the inode being truncated: inode size 821 * the inode\'s bmap btree: max depth * block size 822 * And the bmap_finish transaction can free the blocks and bmap blocks: 823 * the agf for each of the ags: 4 * sector size 824 * the agfl for each of the ags: 4 * sector size 825 * the super block to reflect the freed blocks: sector size 826 * worst case split in allocation btrees per extent assuming 4 extents: 827 * 4 exts * 2 trees * (2 * max depth - 1) * block size 828 */ 829 #define XFS_CALC_ATTRINVAL_LOG_RES(mp) \ 830 (MAX( \ 831 ((mp)->m_sb.sb_inodesize + \ 832 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ 833 (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \ 834 ((4 * (mp)->m_sb.sb_sectsize) + \ 835 (4 * (mp)->m_sb.sb_sectsize) + \ 836 (mp)->m_sb.sb_sectsize + \ 837 XFS_ALLOCFREE_LOG_RES(mp, 4) + \ 838 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4)))))) 839 840 #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval) 841 842 /* 843 * Setting an attribute. 844 * the inode getting the attribute 845 * the superblock for allocations 846 * the agfs extents are allocated from 847 * the attribute btree * max depth 848 * the inode allocation btree 849 * Since attribute transaction space is dependent on the size of the attribute, 850 * the calculation is done partially at mount time and partially at runtime. 851 */ 852 #define XFS_CALC_ATTRSET_LOG_RES(mp) \ 853 ((mp)->m_sb.sb_inodesize + \ 854 (mp)->m_sb.sb_sectsize + \ 855 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ 856 (128 * (2 + XFS_DA_NODE_MAXDEPTH))) 857 858 #define XFS_ATTRSET_LOG_RES(mp, ext) \ 859 ((mp)->m_reservations.tr_attrset + \ 860 (ext * (mp)->m_sb.sb_sectsize) + \ 861 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \ 862 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))))) 863 864 /* 865 * Removing an attribute. 866 * the inode: inode size 867 * the attribute btree could join: max depth * block size 868 * the inode bmap btree could join or split: max depth * block size 869 * And the bmap_finish transaction can free the attr blocks freed giving: 870 * the agf for the ag in which the blocks live: 2 * sector size 871 * the agfl for the ag in which the blocks live: 2 * sector size 872 * the superblock for the free block count: sector size 873 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 874 */ 875 #define XFS_CALC_ATTRRM_LOG_RES(mp) \ 876 (MAX( \ 877 ((mp)->m_sb.sb_inodesize + \ 878 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ 879 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ 880 (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ 881 ((2 * (mp)->m_sb.sb_sectsize) + \ 882 (2 * (mp)->m_sb.sb_sectsize) + \ 883 (mp)->m_sb.sb_sectsize + \ 884 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 885 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 886 887 #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm) 888 889 /* 890 * Clearing a bad agino number in an agi hash bucket. 891 */ 892 #define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \ 893 ((mp)->m_sb.sb_sectsize + 128) 894 895 #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi) 896 897 898 /* 899 * Various log count values. 900 */ 901 #define XFS_DEFAULT_LOG_COUNT 1 902 #define XFS_DEFAULT_PERM_LOG_COUNT 2 903 #define XFS_ITRUNCATE_LOG_COUNT 2 904 #define XFS_INACTIVE_LOG_COUNT 2 905 #define XFS_CREATE_LOG_COUNT 2 906 #define XFS_MKDIR_LOG_COUNT 3 907 #define XFS_SYMLINK_LOG_COUNT 3 908 #define XFS_REMOVE_LOG_COUNT 2 909 #define XFS_LINK_LOG_COUNT 2 910 #define XFS_RENAME_LOG_COUNT 2 911 #define XFS_WRITE_LOG_COUNT 2 912 #define XFS_ADDAFORK_LOG_COUNT 2 913 #define XFS_ATTRINVAL_LOG_COUNT 1 914 #define XFS_ATTRSET_LOG_COUNT 3 915 #define XFS_ATTRRM_LOG_COUNT 3 916 917 /* 918 * Here we centralize the specification of XFS meta-data buffer 919 * reference count values. This determine how hard the buffer 920 * cache tries to hold onto the buffer. 921 */ 922 #define XFS_AGF_REF 4 923 #define XFS_AGI_REF 4 924 #define XFS_AGFL_REF 3 925 #define XFS_INO_BTREE_REF 3 926 #define XFS_ALLOC_BTREE_REF 2 927 #define XFS_BMAP_BTREE_REF 2 928 #define XFS_DIR_BTREE_REF 2 929 #define XFS_ATTR_BTREE_REF 1 930 #define XFS_INO_REF 1 931 #define XFS_DQUOT_REF 1 932 933 #ifdef __KERNEL__ 934 /* 935 * XFS transaction mechanism exported interfaces that are 936 * actually macros. 937 */ 938 #define xfs_trans_get_log_res(tp) ((tp)->t_log_res) 939 #define xfs_trans_get_log_count(tp) ((tp)->t_log_count) 940 #define xfs_trans_get_block_res(tp) ((tp)->t_blk_res) 941 #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC) 942 943 #ifdef DEBUG 944 #define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (long)d) 945 #define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (long)d) 946 #define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (long)d) 947 #else 948 #define xfs_trans_agblocks_delta(tp, d) 949 #define xfs_trans_agflist_delta(tp, d) 950 #define xfs_trans_agbtree_delta(tp, d) 951 #endif 952 953 /* 954 * XFS transaction mechanism exported interfaces. 955 */ 956 void xfs_trans_init(struct xfs_mount *); 957 xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint); 958 xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint); 959 xfs_trans_t *xfs_trans_dup(xfs_trans_t *); 960 int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint, 961 uint, uint); 962 void xfs_trans_mod_sb(xfs_trans_t *, uint, long); 963 struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t, 964 int, uint); 965 int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *, 966 struct xfs_buftarg *, xfs_daddr_t, int, uint, 967 struct xfs_buf **); 968 struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int); 969 970 void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *); 971 void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *); 972 void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *); 973 void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *); 974 void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *); 975 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *); 976 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *); 977 void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *); 978 void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint); 979 void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *); 980 int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *, 981 xfs_ino_t , uint, uint, struct xfs_inode **); 982 void xfs_trans_ijoin(xfs_trans_t *, struct xfs_inode *, uint); 983 void xfs_trans_ihold(xfs_trans_t *, struct xfs_inode *); 984 void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint); 985 void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint); 986 struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint); 987 void xfs_efi_release(struct xfs_efi_log_item *, uint); 988 void xfs_trans_log_efi_extent(xfs_trans_t *, 989 struct xfs_efi_log_item *, 990 xfs_fsblock_t, 991 xfs_extlen_t); 992 struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *, 993 struct xfs_efi_log_item *, 994 uint); 995 void xfs_trans_log_efd_extent(xfs_trans_t *, 996 struct xfs_efd_log_item *, 997 xfs_fsblock_t, 998 xfs_extlen_t); 999 int _xfs_trans_commit(xfs_trans_t *, 1000 uint flags, 1001 xfs_lsn_t *, 1002 int *); 1003 #define xfs_trans_commit(tp, flags, lsn) \ 1004 _xfs_trans_commit(tp, flags, lsn, NULL) 1005 void xfs_trans_cancel(xfs_trans_t *, int); 1006 void xfs_trans_ail_init(struct xfs_mount *); 1007 xfs_lsn_t xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t); 1008 xfs_lsn_t xfs_trans_tail_ail(struct xfs_mount *); 1009 void xfs_trans_unlocked_item(struct xfs_mount *, 1010 xfs_log_item_t *); 1011 xfs_log_busy_slot_t *xfs_trans_add_busy(xfs_trans_t *tp, 1012 xfs_agnumber_t ag, 1013 xfs_extlen_t idx); 1014 1015 #endif /* __KERNEL__ */ 1016 1017 #endif /* __XFS_TRANS_H__ */ 1018