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 struct xfs_log_item; 22 23 /* 24 * This is the structure written in the log at the head of 25 * every transaction. It identifies the type and id of the 26 * transaction, and contains the number of items logged by 27 * the transaction so we know how many to expect during recovery. 28 * 29 * Do not change the below structure without redoing the code in 30 * xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans(). 31 */ 32 typedef struct xfs_trans_header { 33 uint th_magic; /* magic number */ 34 uint th_type; /* transaction type */ 35 __int32_t th_tid; /* transaction id (unused) */ 36 uint th_num_items; /* num items logged by trans */ 37 } xfs_trans_header_t; 38 39 #define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */ 40 41 /* 42 * Log item types. 43 */ 44 #define XFS_LI_EFI 0x1236 45 #define XFS_LI_EFD 0x1237 46 #define XFS_LI_IUNLINK 0x1238 47 #define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */ 48 #define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */ 49 #define XFS_LI_DQUOT 0x123d 50 #define XFS_LI_QUOTAOFF 0x123e 51 52 #define XFS_LI_TYPE_DESC \ 53 { XFS_LI_EFI, "XFS_LI_EFI" }, \ 54 { XFS_LI_EFD, "XFS_LI_EFD" }, \ 55 { XFS_LI_IUNLINK, "XFS_LI_IUNLINK" }, \ 56 { XFS_LI_INODE, "XFS_LI_INODE" }, \ 57 { XFS_LI_BUF, "XFS_LI_BUF" }, \ 58 { XFS_LI_DQUOT, "XFS_LI_DQUOT" }, \ 59 { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" } 60 61 /* 62 * Transaction types. Used to distinguish types of buffers. 63 */ 64 #define XFS_TRANS_SETATTR_NOT_SIZE 1 65 #define XFS_TRANS_SETATTR_SIZE 2 66 #define XFS_TRANS_INACTIVE 3 67 #define XFS_TRANS_CREATE 4 68 #define XFS_TRANS_CREATE_TRUNC 5 69 #define XFS_TRANS_TRUNCATE_FILE 6 70 #define XFS_TRANS_REMOVE 7 71 #define XFS_TRANS_LINK 8 72 #define XFS_TRANS_RENAME 9 73 #define XFS_TRANS_MKDIR 10 74 #define XFS_TRANS_RMDIR 11 75 #define XFS_TRANS_SYMLINK 12 76 #define XFS_TRANS_SET_DMATTRS 13 77 #define XFS_TRANS_GROWFS 14 78 #define XFS_TRANS_STRAT_WRITE 15 79 #define XFS_TRANS_DIOSTRAT 16 80 /* 17 was XFS_TRANS_WRITE_SYNC */ 81 #define XFS_TRANS_WRITEID 18 82 #define XFS_TRANS_ADDAFORK 19 83 #define XFS_TRANS_ATTRINVAL 20 84 #define XFS_TRANS_ATRUNCATE 21 85 #define XFS_TRANS_ATTR_SET 22 86 #define XFS_TRANS_ATTR_RM 23 87 #define XFS_TRANS_ATTR_FLAG 24 88 #define XFS_TRANS_CLEAR_AGI_BUCKET 25 89 #define XFS_TRANS_QM_SBCHANGE 26 90 /* 91 * Dummy entries since we use the transaction type to index into the 92 * trans_type[] in xlog_recover_print_trans_head() 93 */ 94 #define XFS_TRANS_DUMMY1 27 95 #define XFS_TRANS_DUMMY2 28 96 #define XFS_TRANS_QM_QUOTAOFF 29 97 #define XFS_TRANS_QM_DQALLOC 30 98 #define XFS_TRANS_QM_SETQLIM 31 99 #define XFS_TRANS_QM_DQCLUSTER 32 100 #define XFS_TRANS_QM_QINOCREATE 33 101 #define XFS_TRANS_QM_QUOTAOFF_END 34 102 #define XFS_TRANS_SB_UNIT 35 103 #define XFS_TRANS_FSYNC_TS 36 104 #define XFS_TRANS_GROWFSRT_ALLOC 37 105 #define XFS_TRANS_GROWFSRT_ZERO 38 106 #define XFS_TRANS_GROWFSRT_FREE 39 107 #define XFS_TRANS_SWAPEXT 40 108 #define XFS_TRANS_SB_COUNT 41 109 #define XFS_TRANS_CHECKPOINT 42 110 #define XFS_TRANS_TYPE_MAX 42 111 /* new transaction types need to be reflected in xfs_logprint(8) */ 112 113 #define XFS_TRANS_TYPES \ 114 { XFS_TRANS_SETATTR_NOT_SIZE, "SETATTR_NOT_SIZE" }, \ 115 { XFS_TRANS_SETATTR_SIZE, "SETATTR_SIZE" }, \ 116 { XFS_TRANS_INACTIVE, "INACTIVE" }, \ 117 { XFS_TRANS_CREATE, "CREATE" }, \ 118 { XFS_TRANS_CREATE_TRUNC, "CREATE_TRUNC" }, \ 119 { XFS_TRANS_TRUNCATE_FILE, "TRUNCATE_FILE" }, \ 120 { XFS_TRANS_REMOVE, "REMOVE" }, \ 121 { XFS_TRANS_LINK, "LINK" }, \ 122 { XFS_TRANS_RENAME, "RENAME" }, \ 123 { XFS_TRANS_MKDIR, "MKDIR" }, \ 124 { XFS_TRANS_RMDIR, "RMDIR" }, \ 125 { XFS_TRANS_SYMLINK, "SYMLINK" }, \ 126 { XFS_TRANS_SET_DMATTRS, "SET_DMATTRS" }, \ 127 { XFS_TRANS_GROWFS, "GROWFS" }, \ 128 { XFS_TRANS_STRAT_WRITE, "STRAT_WRITE" }, \ 129 { XFS_TRANS_DIOSTRAT, "DIOSTRAT" }, \ 130 { XFS_TRANS_WRITEID, "WRITEID" }, \ 131 { XFS_TRANS_ADDAFORK, "ADDAFORK" }, \ 132 { XFS_TRANS_ATTRINVAL, "ATTRINVAL" }, \ 133 { XFS_TRANS_ATRUNCATE, "ATRUNCATE" }, \ 134 { XFS_TRANS_ATTR_SET, "ATTR_SET" }, \ 135 { XFS_TRANS_ATTR_RM, "ATTR_RM" }, \ 136 { XFS_TRANS_ATTR_FLAG, "ATTR_FLAG" }, \ 137 { XFS_TRANS_CLEAR_AGI_BUCKET, "CLEAR_AGI_BUCKET" }, \ 138 { XFS_TRANS_QM_SBCHANGE, "QM_SBCHANGE" }, \ 139 { XFS_TRANS_QM_QUOTAOFF, "QM_QUOTAOFF" }, \ 140 { XFS_TRANS_QM_DQALLOC, "QM_DQALLOC" }, \ 141 { XFS_TRANS_QM_SETQLIM, "QM_SETQLIM" }, \ 142 { XFS_TRANS_QM_DQCLUSTER, "QM_DQCLUSTER" }, \ 143 { XFS_TRANS_QM_QINOCREATE, "QM_QINOCREATE" }, \ 144 { XFS_TRANS_QM_QUOTAOFF_END, "QM_QOFF_END" }, \ 145 { XFS_TRANS_SB_UNIT, "SB_UNIT" }, \ 146 { XFS_TRANS_FSYNC_TS, "FSYNC_TS" }, \ 147 { XFS_TRANS_GROWFSRT_ALLOC, "GROWFSRT_ALLOC" }, \ 148 { XFS_TRANS_GROWFSRT_ZERO, "GROWFSRT_ZERO" }, \ 149 { XFS_TRANS_GROWFSRT_FREE, "GROWFSRT_FREE" }, \ 150 { XFS_TRANS_SWAPEXT, "SWAPEXT" }, \ 151 { XFS_TRANS_SB_COUNT, "SB_COUNT" }, \ 152 { XFS_TRANS_CHECKPOINT, "CHECKPOINT" }, \ 153 { XFS_TRANS_DUMMY1, "DUMMY1" }, \ 154 { XFS_TRANS_DUMMY2, "DUMMY2" }, \ 155 { XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" } 156 157 /* 158 * This structure is used to track log items associated with 159 * a transaction. It points to the log item and keeps some 160 * flags to track the state of the log item. It also tracks 161 * the amount of space needed to log the item it describes 162 * once we get to commit processing (see xfs_trans_commit()). 163 */ 164 struct xfs_log_item_desc { 165 struct xfs_log_item *lid_item; 166 struct list_head lid_trans; 167 unsigned char lid_flags; 168 }; 169 170 #define XFS_LID_DIRTY 0x1 171 172 #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */ 173 /* 174 * Values for t_flags. 175 */ 176 #define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */ 177 #define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */ 178 #define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */ 179 #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */ 180 #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */ 181 #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */ 182 183 /* 184 * Values for call flags parameter. 185 */ 186 #define XFS_TRANS_RELEASE_LOG_RES 0x4 187 #define XFS_TRANS_ABORT 0x8 188 189 /* 190 * Field values for xfs_trans_mod_sb. 191 */ 192 #define XFS_TRANS_SB_ICOUNT 0x00000001 193 #define XFS_TRANS_SB_IFREE 0x00000002 194 #define XFS_TRANS_SB_FDBLOCKS 0x00000004 195 #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008 196 #define XFS_TRANS_SB_FREXTENTS 0x00000010 197 #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020 198 #define XFS_TRANS_SB_DBLOCKS 0x00000040 199 #define XFS_TRANS_SB_AGCOUNT 0x00000080 200 #define XFS_TRANS_SB_IMAXPCT 0x00000100 201 #define XFS_TRANS_SB_REXTSIZE 0x00000200 202 #define XFS_TRANS_SB_RBMBLOCKS 0x00000400 203 #define XFS_TRANS_SB_RBLOCKS 0x00000800 204 #define XFS_TRANS_SB_REXTENTS 0x00001000 205 #define XFS_TRANS_SB_REXTSLOG 0x00002000 206 207 208 /* 209 * Per-extent log reservation for the allocation btree changes 210 * involved in freeing or allocating an extent. 211 * 2 trees * (2 blocks/level * max depth - 1) * block size 212 */ 213 #define XFS_ALLOCFREE_LOG_RES(mp,nx) \ 214 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1))) 215 #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \ 216 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1))) 217 218 /* 219 * Per-directory log reservation for any directory change. 220 * dir blocks: (1 btree block per level + data block + free block) * dblock size 221 * bmap btree: (levels + 2) * max depth * block size 222 * v2 directory blocks can be fragmented below the dirblksize down to the fsb 223 * size, so account for that in the DAENTER macros. 224 */ 225 #define XFS_DIROP_LOG_RES(mp) \ 226 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \ 227 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1))) 228 #define XFS_DIROP_LOG_COUNT(mp) \ 229 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ 230 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) 231 232 233 #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write) 234 #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate) 235 #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename) 236 #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link) 237 #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove) 238 #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink) 239 #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create) 240 #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir) 241 #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree) 242 #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange) 243 #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata) 244 #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc) 245 #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero) 246 #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree) 247 #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 248 /* 249 * Logging the inode timestamps on an fsync -- same as SWRITE 250 * as long as SWRITE logs the entire inode core 251 */ 252 #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 253 #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 254 #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork) 255 #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval) 256 #define XFS_ATTRSET_LOG_RES(mp, ext) \ 257 ((mp)->m_reservations.tr_attrset + \ 258 (ext * (mp)->m_sb.sb_sectsize) + \ 259 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \ 260 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))))) 261 #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm) 262 #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi) 263 264 265 /* 266 * Various log count values. 267 */ 268 #define XFS_DEFAULT_LOG_COUNT 1 269 #define XFS_DEFAULT_PERM_LOG_COUNT 2 270 #define XFS_ITRUNCATE_LOG_COUNT 2 271 #define XFS_INACTIVE_LOG_COUNT 2 272 #define XFS_CREATE_LOG_COUNT 2 273 #define XFS_MKDIR_LOG_COUNT 3 274 #define XFS_SYMLINK_LOG_COUNT 3 275 #define XFS_REMOVE_LOG_COUNT 2 276 #define XFS_LINK_LOG_COUNT 2 277 #define XFS_RENAME_LOG_COUNT 2 278 #define XFS_WRITE_LOG_COUNT 2 279 #define XFS_ADDAFORK_LOG_COUNT 2 280 #define XFS_ATTRINVAL_LOG_COUNT 1 281 #define XFS_ATTRSET_LOG_COUNT 3 282 #define XFS_ATTRRM_LOG_COUNT 3 283 284 /* 285 * Here we centralize the specification of XFS meta-data buffer 286 * reference count values. This determine how hard the buffer 287 * cache tries to hold onto the buffer. 288 */ 289 #define XFS_AGF_REF 4 290 #define XFS_AGI_REF 4 291 #define XFS_AGFL_REF 3 292 #define XFS_INO_BTREE_REF 3 293 #define XFS_ALLOC_BTREE_REF 2 294 #define XFS_BMAP_BTREE_REF 2 295 #define XFS_DIR_BTREE_REF 2 296 #define XFS_INO_REF 2 297 #define XFS_ATTR_BTREE_REF 1 298 #define XFS_DQUOT_REF 1 299 300 #ifdef __KERNEL__ 301 302 struct xfs_buf; 303 struct xfs_buftarg; 304 struct xfs_efd_log_item; 305 struct xfs_efi_log_item; 306 struct xfs_inode; 307 struct xfs_item_ops; 308 struct xfs_log_iovec; 309 struct xfs_log_item_desc; 310 struct xfs_mount; 311 struct xfs_trans; 312 struct xfs_dquot_acct; 313 struct xfs_busy_extent; 314 315 typedef struct xfs_log_item { 316 struct list_head li_ail; /* AIL pointers */ 317 xfs_lsn_t li_lsn; /* last on-disk lsn */ 318 struct xfs_log_item_desc *li_desc; /* ptr to current desc*/ 319 struct xfs_mount *li_mountp; /* ptr to fs mount */ 320 struct xfs_ail *li_ailp; /* ptr to AIL */ 321 uint li_type; /* item type */ 322 uint li_flags; /* misc flags */ 323 struct xfs_log_item *li_bio_list; /* buffer item list */ 324 void (*li_cb)(struct xfs_buf *, 325 struct xfs_log_item *); 326 /* buffer item iodone */ 327 /* callback func */ 328 const struct xfs_item_ops *li_ops; /* function list */ 329 330 /* delayed logging */ 331 struct list_head li_cil; /* CIL pointers */ 332 struct xfs_log_vec *li_lv; /* active log vector */ 333 xfs_lsn_t li_seq; /* CIL commit seq */ 334 } xfs_log_item_t; 335 336 #define XFS_LI_IN_AIL 0x1 337 #define XFS_LI_ABORTED 0x2 338 339 #define XFS_LI_FLAGS \ 340 { XFS_LI_IN_AIL, "IN_AIL" }, \ 341 { XFS_LI_ABORTED, "ABORTED" } 342 343 struct xfs_item_ops { 344 uint (*iop_size)(xfs_log_item_t *); 345 void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *); 346 void (*iop_pin)(xfs_log_item_t *); 347 void (*iop_unpin)(xfs_log_item_t *, int remove); 348 uint (*iop_trylock)(xfs_log_item_t *); 349 void (*iop_unlock)(xfs_log_item_t *); 350 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t); 351 void (*iop_push)(xfs_log_item_t *); 352 bool (*iop_pushbuf)(xfs_log_item_t *); 353 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t); 354 }; 355 356 #define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip) 357 #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp) 358 #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip) 359 #define IOP_UNPIN(ip, remove) (*(ip)->li_ops->iop_unpin)(ip, remove) 360 #define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip) 361 #define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip) 362 #define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn) 363 #define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip) 364 #define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip) 365 #define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn) 366 367 /* 368 * Return values for the IOP_TRYLOCK() routines. 369 */ 370 #define XFS_ITEM_SUCCESS 0 371 #define XFS_ITEM_PINNED 1 372 #define XFS_ITEM_LOCKED 2 373 #define XFS_ITEM_PUSHBUF 3 374 375 /* 376 * This is the type of function which can be given to xfs_trans_callback() 377 * to be called upon the transaction's commit to disk. 378 */ 379 typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *); 380 381 /* 382 * This is the structure maintained for every active transaction. 383 */ 384 typedef struct xfs_trans { 385 unsigned int t_magic; /* magic number */ 386 xfs_log_callback_t t_logcb; /* log callback struct */ 387 unsigned int t_type; /* transaction type */ 388 unsigned int t_log_res; /* amt of log space resvd */ 389 unsigned int t_log_count; /* count for perm log res */ 390 unsigned int t_blk_res; /* # of blocks resvd */ 391 unsigned int t_blk_res_used; /* # of resvd blocks used */ 392 unsigned int t_rtx_res; /* # of rt extents resvd */ 393 unsigned int t_rtx_res_used; /* # of resvd rt extents used */ 394 struct xlog_ticket *t_ticket; /* log mgr ticket */ 395 xfs_lsn_t t_lsn; /* log seq num of start of 396 * transaction. */ 397 xfs_lsn_t t_commit_lsn; /* log seq num of end of 398 * transaction. */ 399 struct xfs_mount *t_mountp; /* ptr to fs mount struct */ 400 struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */ 401 unsigned int t_flags; /* misc flags */ 402 int64_t t_icount_delta; /* superblock icount change */ 403 int64_t t_ifree_delta; /* superblock ifree change */ 404 int64_t t_fdblocks_delta; /* superblock fdblocks chg */ 405 int64_t t_res_fdblocks_delta; /* on-disk only chg */ 406 int64_t t_frextents_delta;/* superblock freextents chg*/ 407 int64_t t_res_frextents_delta; /* on-disk only chg */ 408 #ifdef DEBUG 409 int64_t t_ag_freeblks_delta; /* debugging counter */ 410 int64_t t_ag_flist_delta; /* debugging counter */ 411 int64_t t_ag_btree_delta; /* debugging counter */ 412 #endif 413 int64_t t_dblocks_delta;/* superblock dblocks change */ 414 int64_t t_agcount_delta;/* superblock agcount change */ 415 int64_t t_imaxpct_delta;/* superblock imaxpct change */ 416 int64_t t_rextsize_delta;/* superblock rextsize chg */ 417 int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */ 418 int64_t t_rblocks_delta;/* superblock rblocks change */ 419 int64_t t_rextents_delta;/* superblocks rextents chg */ 420 int64_t t_rextslog_delta;/* superblocks rextslog chg */ 421 struct list_head t_items; /* log item descriptors */ 422 xfs_trans_header_t t_header; /* header for in-log trans */ 423 struct list_head t_busy; /* list of busy extents */ 424 unsigned long t_pflags; /* saved process flags state */ 425 } xfs_trans_t; 426 427 /* 428 * XFS transaction mechanism exported interfaces that are 429 * actually macros. 430 */ 431 #define xfs_trans_get_log_res(tp) ((tp)->t_log_res) 432 #define xfs_trans_get_log_count(tp) ((tp)->t_log_count) 433 #define xfs_trans_get_block_res(tp) ((tp)->t_blk_res) 434 #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC) 435 436 #ifdef DEBUG 437 #define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d) 438 #define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d) 439 #define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d) 440 #else 441 #define xfs_trans_agblocks_delta(tp, d) 442 #define xfs_trans_agflist_delta(tp, d) 443 #define xfs_trans_agbtree_delta(tp, d) 444 #endif 445 446 /* 447 * XFS transaction mechanism exported interfaces. 448 */ 449 xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint); 450 xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint, uint); 451 xfs_trans_t *xfs_trans_dup(xfs_trans_t *); 452 int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint, 453 uint, uint); 454 void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t); 455 struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t, 456 int, uint); 457 int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *, 458 struct xfs_buftarg *, xfs_daddr_t, int, uint, 459 struct xfs_buf **); 460 struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int); 461 462 void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *); 463 void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *); 464 void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *); 465 void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *); 466 void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *); 467 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *); 468 void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *); 469 void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint); 470 void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *); 471 void xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int); 472 void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint); 473 void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint); 474 void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint); 475 struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint); 476 void xfs_efi_release(struct xfs_efi_log_item *, uint); 477 void xfs_trans_log_efi_extent(xfs_trans_t *, 478 struct xfs_efi_log_item *, 479 xfs_fsblock_t, 480 xfs_extlen_t); 481 struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *, 482 struct xfs_efi_log_item *, 483 uint); 484 void xfs_trans_log_efd_extent(xfs_trans_t *, 485 struct xfs_efd_log_item *, 486 xfs_fsblock_t, 487 xfs_extlen_t); 488 int xfs_trans_commit(xfs_trans_t *, uint flags); 489 void xfs_trans_cancel(xfs_trans_t *, int); 490 int xfs_trans_ail_init(struct xfs_mount *); 491 void xfs_trans_ail_destroy(struct xfs_mount *); 492 493 extern kmem_zone_t *xfs_trans_zone; 494 extern kmem_zone_t *xfs_log_item_desc_zone; 495 496 #endif /* __KERNEL__ */ 497 498 void xfs_trans_init(struct xfs_mount *); 499 int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *); 500 501 #endif /* __XFS_TRANS_H__ */ 502