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 21struct 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 */ 32typedef 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 */ 164struct xfs_log_item_desc { 165 struct xfs_log_item *lid_item; 166 ushort lid_size; 167 unsigned char lid_flags; 168 struct list_head lid_trans; 169}; 170 171#define XFS_LID_DIRTY 0x1 172 173#define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */ 174/* 175 * Values for t_flags. 176 */ 177#define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */ 178#define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */ 179#define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */ 180#define XFS_TRANS_SYNC 0x08 /* make commit synchronous */ 181#define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */ 182#define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */ 183 184/* 185 * Values for call flags parameter. 186 */ 187#define XFS_TRANS_RELEASE_LOG_RES 0x4 188#define XFS_TRANS_ABORT 0x8 189 190/* 191 * Field values for xfs_trans_mod_sb. 192 */ 193#define XFS_TRANS_SB_ICOUNT 0x00000001 194#define XFS_TRANS_SB_IFREE 0x00000002 195#define XFS_TRANS_SB_FDBLOCKS 0x00000004 196#define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008 197#define XFS_TRANS_SB_FREXTENTS 0x00000010 198#define XFS_TRANS_SB_RES_FREXTENTS 0x00000020 199#define XFS_TRANS_SB_DBLOCKS 0x00000040 200#define XFS_TRANS_SB_AGCOUNT 0x00000080 201#define XFS_TRANS_SB_IMAXPCT 0x00000100 202#define XFS_TRANS_SB_REXTSIZE 0x00000200 203#define XFS_TRANS_SB_RBMBLOCKS 0x00000400 204#define XFS_TRANS_SB_RBLOCKS 0x00000800 205#define XFS_TRANS_SB_REXTENTS 0x00001000 206#define XFS_TRANS_SB_REXTSLOG 0x00002000 207 208 209/* 210 * Per-extent log reservation for the allocation btree changes 211 * involved in freeing or allocating an extent. 212 * 2 trees * (2 blocks/level * max depth - 1) * block size 213 */ 214#define XFS_ALLOCFREE_LOG_RES(mp,nx) \ 215 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1))) 216#define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \ 217 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1))) 218 219/* 220 * Per-directory log reservation for any directory change. 221 * dir blocks: (1 btree block per level + data block + free block) * dblock size 222 * bmap btree: (levels + 2) * max depth * block size 223 * v2 directory blocks can be fragmented below the dirblksize down to the fsb 224 * size, so account for that in the DAENTER macros. 225 */ 226#define XFS_DIROP_LOG_RES(mp) \ 227 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \ 228 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1))) 229#define XFS_DIROP_LOG_COUNT(mp) \ 230 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ 231 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) 232 233 234#define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write) 235#define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate) 236#define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename) 237#define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link) 238#define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove) 239#define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink) 240#define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create) 241#define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir) 242#define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree) 243#define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange) 244#define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata) 245#define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc) 246#define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero) 247#define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree) 248#define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 249/* 250 * Logging the inode timestamps on an fsync -- same as SWRITE 251 * as long as SWRITE logs the entire inode core 252 */ 253#define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 254#define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 255#define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork) 256#define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval) 257#define XFS_ATTRSET_LOG_RES(mp, ext) \ 258 ((mp)->m_reservations.tr_attrset + \ 259 (ext * (mp)->m_sb.sb_sectsize) + \ 260 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \ 261 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))))) 262#define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm) 263#define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi) 264 265 266/* 267 * Various log count values. 268 */ 269#define XFS_DEFAULT_LOG_COUNT 1 270#define XFS_DEFAULT_PERM_LOG_COUNT 2 271#define XFS_ITRUNCATE_LOG_COUNT 2 272#define XFS_INACTIVE_LOG_COUNT 2 273#define XFS_CREATE_LOG_COUNT 2 274#define XFS_MKDIR_LOG_COUNT 3 275#define XFS_SYMLINK_LOG_COUNT 3 276#define XFS_REMOVE_LOG_COUNT 2 277#define XFS_LINK_LOG_COUNT 2 278#define XFS_RENAME_LOG_COUNT 2 279#define XFS_WRITE_LOG_COUNT 2 280#define XFS_ADDAFORK_LOG_COUNT 2 281#define XFS_ATTRINVAL_LOG_COUNT 1 282#define XFS_ATTRSET_LOG_COUNT 3 283#define XFS_ATTRRM_LOG_COUNT 3 284 285/* 286 * Here we centralize the specification of XFS meta-data buffer 287 * reference count values. This determine how hard the buffer 288 * cache tries to hold onto the buffer. 289 */ 290#define XFS_AGF_REF 4 291#define XFS_AGI_REF 4 292#define XFS_AGFL_REF 3 293#define XFS_INO_BTREE_REF 3 294#define XFS_ALLOC_BTREE_REF 2 295#define XFS_BMAP_BTREE_REF 2 296#define XFS_DIR_BTREE_REF 2 297#define XFS_ATTR_BTREE_REF 1 298#define XFS_INO_REF 1 299#define XFS_DQUOT_REF 1 300 301#ifdef __KERNEL__ 302 303struct xfs_buf; 304struct xfs_buftarg; 305struct xfs_efd_log_item; 306struct xfs_efi_log_item; 307struct xfs_inode; 308struct xfs_item_ops; 309struct xfs_log_iovec; 310struct xfs_log_item_desc; 311struct xfs_mount; 312struct xfs_trans; 313struct xfs_dquot_acct; 314struct xfs_busy_extent; 315 316typedef struct xfs_log_item { 317 struct list_head li_ail; /* AIL pointers */ 318 xfs_lsn_t li_lsn; /* last on-disk lsn */ 319 struct xfs_log_item_desc *li_desc; /* ptr to current desc*/ 320 struct xfs_mount *li_mountp; /* ptr to fs mount */ 321 struct xfs_ail *li_ailp; /* ptr to AIL */ 322 uint li_type; /* item type */ 323 uint li_flags; /* misc flags */ 324 struct xfs_log_item *li_bio_list; /* buffer item list */ 325 void (*li_cb)(struct xfs_buf *, 326 struct xfs_log_item *); 327 /* buffer item iodone */ 328 /* callback func */ 329 struct xfs_item_ops *li_ops; /* function list */ 330 331 /* delayed logging */ 332 struct list_head li_cil; /* CIL pointers */ 333 struct xfs_log_vec *li_lv; /* active log vector */ 334 xfs_lsn_t li_seq; /* CIL commit seq */ 335} xfs_log_item_t; 336 337#define XFS_LI_IN_AIL 0x1 338#define XFS_LI_ABORTED 0x2 339 340#define XFS_LI_FLAGS \ 341 { XFS_LI_IN_AIL, "IN_AIL" }, \ 342 { XFS_LI_ABORTED, "ABORTED" } 343 344typedef struct xfs_item_ops { 345 uint (*iop_size)(xfs_log_item_t *); 346 void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *); 347 void (*iop_pin)(xfs_log_item_t *); 348 void (*iop_unpin)(xfs_log_item_t *, int remove); 349 uint (*iop_trylock)(xfs_log_item_t *); 350 void (*iop_unlock)(xfs_log_item_t *); 351 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t); 352 void (*iop_push)(xfs_log_item_t *); 353 void (*iop_pushbuf)(xfs_log_item_t *); 354 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t); 355} xfs_item_ops_t; 356 357#define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip) 358#define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp) 359#define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip) 360#define IOP_UNPIN(ip, remove) (*(ip)->li_ops->iop_unpin)(ip, remove) 361#define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip) 362#define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip) 363#define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn) 364#define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip) 365#define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip) 366#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn) 367 368/* 369 * Return values for the IOP_TRYLOCK() routines. 370 */ 371#define XFS_ITEM_SUCCESS 0 372#define XFS_ITEM_PINNED 1 373#define XFS_ITEM_LOCKED 2 374#define XFS_ITEM_PUSHBUF 3 375 376/* 377 * This is the type of function which can be given to xfs_trans_callback() 378 * to be called upon the transaction's commit to disk. 379 */ 380typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *); 381 382/* 383 * This is the structure maintained for every active transaction. 384 */ 385typedef struct xfs_trans { 386 unsigned int t_magic; /* magic number */ 387 xfs_log_callback_t t_logcb; /* log callback struct */ 388 unsigned int t_type; /* transaction type */ 389 unsigned int t_log_res; /* amt of log space resvd */ 390 unsigned int t_log_count; /* count for perm log res */ 391 unsigned int t_blk_res; /* # of blocks resvd */ 392 unsigned int t_blk_res_used; /* # of resvd blocks used */ 393 unsigned int t_rtx_res; /* # of rt extents resvd */ 394 unsigned int t_rtx_res_used; /* # of resvd rt extents used */ 395 struct xlog_ticket *t_ticket; /* log mgr ticket */ 396 xfs_lsn_t t_lsn; /* log seq num of start of 397 * transaction. */ 398 xfs_lsn_t t_commit_lsn; /* log seq num of end of 399 * transaction. */ 400 struct xfs_mount *t_mountp; /* ptr to fs mount struct */ 401 struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */ 402 xfs_trans_callback_t t_callback; /* transaction callback */ 403 void *t_callarg; /* callback arg */ 404 unsigned int t_flags; /* misc flags */ 405 int64_t t_icount_delta; /* superblock icount change */ 406 int64_t t_ifree_delta; /* superblock ifree change */ 407 int64_t t_fdblocks_delta; /* superblock fdblocks chg */ 408 int64_t t_res_fdblocks_delta; /* on-disk only chg */ 409 int64_t t_frextents_delta;/* superblock freextents chg*/ 410 int64_t t_res_frextents_delta; /* on-disk only chg */ 411#ifdef DEBUG 412 int64_t t_ag_freeblks_delta; /* debugging counter */ 413 int64_t t_ag_flist_delta; /* debugging counter */ 414 int64_t t_ag_btree_delta; /* debugging counter */ 415#endif 416 int64_t t_dblocks_delta;/* superblock dblocks change */ 417 int64_t t_agcount_delta;/* superblock agcount change */ 418 int64_t t_imaxpct_delta;/* superblock imaxpct change */ 419 int64_t t_rextsize_delta;/* superblock rextsize chg */ 420 int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */ 421 int64_t t_rblocks_delta;/* superblock rblocks change */ 422 int64_t t_rextents_delta;/* superblocks rextents chg */ 423 int64_t t_rextslog_delta;/* superblocks rextslog chg */ 424 struct list_head t_items; /* log item descriptors */ 425 xfs_trans_header_t t_header; /* header for in-log trans */ 426 struct list_head t_busy; /* list of busy extents */ 427 unsigned long t_pflags; /* saved process flags state */ 428} xfs_trans_t; 429 430/* 431 * XFS transaction mechanism exported interfaces that are 432 * actually macros. 433 */ 434#define xfs_trans_get_log_res(tp) ((tp)->t_log_res) 435#define xfs_trans_get_log_count(tp) ((tp)->t_log_count) 436#define xfs_trans_get_block_res(tp) ((tp)->t_blk_res) 437#define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC) 438 439#ifdef DEBUG 440#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d) 441#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d) 442#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d) 443#else 444#define xfs_trans_agblocks_delta(tp, d) 445#define xfs_trans_agflist_delta(tp, d) 446#define xfs_trans_agbtree_delta(tp, d) 447#endif 448 449/* 450 * XFS transaction mechanism exported interfaces. 451 */ 452xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint); 453xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint, uint); 454xfs_trans_t *xfs_trans_dup(xfs_trans_t *); 455int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint, 456 uint, uint); 457void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t); 458struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t, 459 int, uint); 460int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *, 461 struct xfs_buftarg *, xfs_daddr_t, int, uint, 462 struct xfs_buf **); 463struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int); 464 465void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *); 466void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *); 467void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *); 468void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *); 469void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *); 470void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *); 471void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *); 472void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint); 473void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *); 474int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *, 475 xfs_ino_t , uint, uint, struct xfs_inode **); 476void xfs_trans_ijoin_ref(struct xfs_trans *, struct xfs_inode *, uint); 477void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *); 478void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint); 479void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint); 480struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint); 481void xfs_efi_release(struct xfs_efi_log_item *, uint); 482void xfs_trans_log_efi_extent(xfs_trans_t *, 483 struct xfs_efi_log_item *, 484 xfs_fsblock_t, 485 xfs_extlen_t); 486struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *, 487 struct xfs_efi_log_item *, 488 uint); 489void xfs_trans_log_efd_extent(xfs_trans_t *, 490 struct xfs_efd_log_item *, 491 xfs_fsblock_t, 492 xfs_extlen_t); 493int _xfs_trans_commit(xfs_trans_t *, 494 uint flags, 495 int *); 496#define xfs_trans_commit(tp, flags) _xfs_trans_commit(tp, flags, NULL) 497void xfs_trans_cancel(xfs_trans_t *, int); 498int xfs_trans_ail_init(struct xfs_mount *); 499void xfs_trans_ail_destroy(struct xfs_mount *); 500 501extern kmem_zone_t *xfs_trans_zone; 502extern kmem_zone_t *xfs_log_item_desc_zone; 503 504#endif /* __KERNEL__ */ 505 506void xfs_trans_init(struct xfs_mount *); 507int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *); 508 509#endif /* __XFS_TRANS_H__ */ 510