1 /* 2 * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * Further, this software is distributed without any warranty that it is 13 * free of the rightful claim of any third person regarding infringement 14 * or the like. Any license provided herein, whether implied or 15 * otherwise, applies only to this software file. Patent licenses, if 16 * any, provided herein do not apply to combinations of this program with 17 * other software, or any other product whatsoever. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write the Free Software Foundation, Inc., 59 21 * Temple Place - Suite 330, Boston MA 02111-1307, USA. 22 * 23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 24 * Mountain View, CA 94043, or: 25 * 26 * http://www.sgi.com 27 * 28 * For further information regarding this notice, see: 29 * 30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ 31 */ 32 #ifndef __XFS_TRANS_H__ 33 #define __XFS_TRANS_H__ 34 35 /* 36 * This is the structure written in the log at the head of 37 * every transaction. It identifies the type and id of the 38 * transaction, and contains the number of items logged by 39 * the transaction so we know how many to expect during recovery. 40 * 41 * Do not change the below structure without redoing the code in 42 * xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans(). 43 */ 44 typedef struct xfs_trans_header { 45 uint th_magic; /* magic number */ 46 uint th_type; /* transaction type */ 47 __int32_t th_tid; /* transaction id (unused) */ 48 uint th_num_items; /* num items logged by trans */ 49 } xfs_trans_header_t; 50 51 #define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */ 52 53 /* 54 * Log item types. 55 */ 56 #define XFS_LI_5_3_BUF 0x1234 /* v1 bufs, 1-block inode buffers */ 57 #define XFS_LI_5_3_INODE 0x1235 /* 1-block inode buffers */ 58 #define XFS_LI_EFI 0x1236 59 #define XFS_LI_EFD 0x1237 60 #define XFS_LI_IUNLINK 0x1238 61 #define XFS_LI_6_1_INODE 0x1239 /* 4K non-aligned inode bufs */ 62 #define XFS_LI_6_1_BUF 0x123a /* v1, 4K inode buffers */ 63 #define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */ 64 #define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */ 65 #define XFS_LI_DQUOT 0x123d 66 #define XFS_LI_QUOTAOFF 0x123e 67 68 /* 69 * Transaction types. Used to distinguish types of buffers. 70 */ 71 #define XFS_TRANS_SETATTR_NOT_SIZE 1 72 #define XFS_TRANS_SETATTR_SIZE 2 73 #define XFS_TRANS_INACTIVE 3 74 #define XFS_TRANS_CREATE 4 75 #define XFS_TRANS_CREATE_TRUNC 5 76 #define XFS_TRANS_TRUNCATE_FILE 6 77 #define XFS_TRANS_REMOVE 7 78 #define XFS_TRANS_LINK 8 79 #define XFS_TRANS_RENAME 9 80 #define XFS_TRANS_MKDIR 10 81 #define XFS_TRANS_RMDIR 11 82 #define XFS_TRANS_SYMLINK 12 83 #define XFS_TRANS_SET_DMATTRS 13 84 #define XFS_TRANS_GROWFS 14 85 #define XFS_TRANS_STRAT_WRITE 15 86 #define XFS_TRANS_DIOSTRAT 16 87 #define XFS_TRANS_WRITE_SYNC 17 88 #define XFS_TRANS_WRITEID 18 89 #define XFS_TRANS_ADDAFORK 19 90 #define XFS_TRANS_ATTRINVAL 20 91 #define XFS_TRANS_ATRUNCATE 21 92 #define XFS_TRANS_ATTR_SET 22 93 #define XFS_TRANS_ATTR_RM 23 94 #define XFS_TRANS_ATTR_FLAG 24 95 #define XFS_TRANS_CLEAR_AGI_BUCKET 25 96 #define XFS_TRANS_QM_SBCHANGE 26 97 /* 98 * Dummy entries since we use the transaction type to index into the 99 * trans_type[] in xlog_recover_print_trans_head() 100 */ 101 #define XFS_TRANS_DUMMY1 27 102 #define XFS_TRANS_DUMMY2 28 103 #define XFS_TRANS_QM_QUOTAOFF 29 104 #define XFS_TRANS_QM_DQALLOC 30 105 #define XFS_TRANS_QM_SETQLIM 31 106 #define XFS_TRANS_QM_DQCLUSTER 32 107 #define XFS_TRANS_QM_QINOCREATE 33 108 #define XFS_TRANS_QM_QUOTAOFF_END 34 109 #define XFS_TRANS_SB_UNIT 35 110 #define XFS_TRANS_FSYNC_TS 36 111 #define XFS_TRANS_GROWFSRT_ALLOC 37 112 #define XFS_TRANS_GROWFSRT_ZERO 38 113 #define XFS_TRANS_GROWFSRT_FREE 39 114 #define XFS_TRANS_SWAPEXT 40 115 /* new transaction types need to be reflected in xfs_logprint(8) */ 116 117 118 #ifdef __KERNEL__ 119 struct xfs_buf; 120 struct xfs_buftarg; 121 struct xfs_efd_log_item; 122 struct xfs_efi_log_item; 123 struct xfs_inode; 124 struct xfs_item_ops; 125 struct xfs_log_iovec; 126 struct xfs_log_item; 127 struct xfs_log_item_desc; 128 struct xfs_mount; 129 struct xfs_trans; 130 struct xfs_dquot_acct; 131 132 typedef struct xfs_ail_entry { 133 struct xfs_log_item *ail_forw; /* AIL forw pointer */ 134 struct xfs_log_item *ail_back; /* AIL back pointer */ 135 } xfs_ail_entry_t; 136 137 /* 138 * This structure is passed as a parameter to xfs_trans_push_ail() 139 * and is used to track the what LSN the waiting processes are 140 * waiting to become unused. 141 */ 142 typedef struct xfs_ail_ticket { 143 xfs_lsn_t at_lsn; /* lsn waitin for */ 144 struct xfs_ail_ticket *at_forw; /* wait list ptr */ 145 struct xfs_ail_ticket *at_back; /* wait list ptr */ 146 sv_t at_sema; /* wait sema */ 147 } xfs_ail_ticket_t; 148 149 150 typedef struct xfs_log_item { 151 xfs_ail_entry_t li_ail; /* AIL pointers */ 152 xfs_lsn_t li_lsn; /* last on-disk lsn */ 153 struct xfs_log_item_desc *li_desc; /* ptr to current desc*/ 154 struct xfs_mount *li_mountp; /* ptr to fs mount */ 155 uint li_type; /* item type */ 156 uint li_flags; /* misc flags */ 157 struct xfs_log_item *li_bio_list; /* buffer item list */ 158 void (*li_cb)(struct xfs_buf *, 159 struct xfs_log_item *); 160 /* buffer item iodone */ 161 /* callback func */ 162 struct xfs_item_ops *li_ops; /* function list */ 163 } xfs_log_item_t; 164 165 #define XFS_LI_IN_AIL 0x1 166 #define XFS_LI_ABORTED 0x2 167 168 typedef struct xfs_item_ops { 169 uint (*iop_size)(xfs_log_item_t *); 170 void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *); 171 void (*iop_pin)(xfs_log_item_t *); 172 void (*iop_unpin)(xfs_log_item_t *, int); 173 void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *); 174 uint (*iop_trylock)(xfs_log_item_t *); 175 void (*iop_unlock)(xfs_log_item_t *); 176 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t); 177 void (*iop_push)(xfs_log_item_t *); 178 void (*iop_abort)(xfs_log_item_t *); 179 void (*iop_pushbuf)(xfs_log_item_t *); 180 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t); 181 } xfs_item_ops_t; 182 183 #define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip) 184 #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp) 185 #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip) 186 #define IOP_UNPIN(ip, flags) (*(ip)->li_ops->iop_unpin)(ip, flags) 187 #define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp) 188 #define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip) 189 #define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip) 190 #define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn) 191 #define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip) 192 #define IOP_ABORT(ip) (*(ip)->li_ops->iop_abort)(ip) 193 #define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip) 194 #define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn) 195 196 /* 197 * Return values for the IOP_TRYLOCK() routines. 198 */ 199 #define XFS_ITEM_SUCCESS 0 200 #define XFS_ITEM_PINNED 1 201 #define XFS_ITEM_LOCKED 2 202 #define XFS_ITEM_FLUSHING 3 203 #define XFS_ITEM_PUSHBUF 4 204 205 #endif /* __KERNEL__ */ 206 207 /* 208 * This structure is used to track log items associated with 209 * a transaction. It points to the log item and keeps some 210 * flags to track the state of the log item. It also tracks 211 * the amount of space needed to log the item it describes 212 * once we get to commit processing (see xfs_trans_commit()). 213 */ 214 typedef struct xfs_log_item_desc { 215 xfs_log_item_t *lid_item; 216 ushort lid_size; 217 unsigned char lid_flags; 218 unsigned char lid_index; 219 } xfs_log_item_desc_t; 220 221 #define XFS_LID_DIRTY 0x1 222 #define XFS_LID_PINNED 0x2 223 #define XFS_LID_BUF_STALE 0x8 224 225 /* 226 * This structure is used to maintain a chunk list of log_item_desc 227 * structures. The free field is a bitmask indicating which descriptors 228 * in this chunk's array are free. The unused field is the first value 229 * not used since this chunk was allocated. 230 */ 231 #define XFS_LIC_NUM_SLOTS 15 232 typedef struct xfs_log_item_chunk { 233 struct xfs_log_item_chunk *lic_next; 234 ushort lic_free; 235 ushort lic_unused; 236 xfs_log_item_desc_t lic_descs[XFS_LIC_NUM_SLOTS]; 237 } xfs_log_item_chunk_t; 238 239 #define XFS_LIC_MAX_SLOT (XFS_LIC_NUM_SLOTS - 1) 240 #define XFS_LIC_FREEMASK ((1 << XFS_LIC_NUM_SLOTS) - 1) 241 242 243 /* 244 * Initialize the given chunk. Set the chunk's free descriptor mask 245 * to indicate that all descriptors are free. The caller gets to set 246 * lic_unused to the right value (0 matches all free). The 247 * lic_descs.lid_index values are set up as each desc is allocated. 248 */ 249 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_INIT) 250 void xfs_lic_init(xfs_log_item_chunk_t *cp); 251 #define XFS_LIC_INIT(cp) xfs_lic_init(cp) 252 #else 253 #define XFS_LIC_INIT(cp) ((cp)->lic_free = XFS_LIC_FREEMASK) 254 #endif 255 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_INIT_SLOT) 256 void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot); 257 #define XFS_LIC_INIT_SLOT(cp,slot) xfs_lic_init_slot(cp, slot) 258 #else 259 #define XFS_LIC_INIT_SLOT(cp,slot) \ 260 ((cp)->lic_descs[slot].lid_index = (unsigned char)(slot)) 261 #endif 262 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_VACANCY) 263 int xfs_lic_vacancy(xfs_log_item_chunk_t *cp); 264 #define XFS_LIC_VACANCY(cp) xfs_lic_vacancy(cp) 265 #else 266 #define XFS_LIC_VACANCY(cp) (((cp)->lic_free) & XFS_LIC_FREEMASK) 267 #endif 268 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ALL_FREE) 269 void xfs_lic_all_free(xfs_log_item_chunk_t *cp); 270 #define XFS_LIC_ALL_FREE(cp) xfs_lic_all_free(cp) 271 #else 272 #define XFS_LIC_ALL_FREE(cp) ((cp)->lic_free = XFS_LIC_FREEMASK) 273 #endif 274 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ARE_ALL_FREE) 275 int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp); 276 #define XFS_LIC_ARE_ALL_FREE(cp) xfs_lic_are_all_free(cp) 277 #else 278 #define XFS_LIC_ARE_ALL_FREE(cp) (((cp)->lic_free & XFS_LIC_FREEMASK) ==\ 279 XFS_LIC_FREEMASK) 280 #endif 281 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ISFREE) 282 int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot); 283 #define XFS_LIC_ISFREE(cp,slot) xfs_lic_isfree(cp,slot) 284 #else 285 #define XFS_LIC_ISFREE(cp,slot) ((cp)->lic_free & (1 << (slot))) 286 #endif 287 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_CLAIM) 288 void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot); 289 #define XFS_LIC_CLAIM(cp,slot) xfs_lic_claim(cp,slot) 290 #else 291 #define XFS_LIC_CLAIM(cp,slot) ((cp)->lic_free &= ~(1 << (slot))) 292 #endif 293 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_RELSE) 294 void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot); 295 #define XFS_LIC_RELSE(cp,slot) xfs_lic_relse(cp,slot) 296 #else 297 #define XFS_LIC_RELSE(cp,slot) ((cp)->lic_free |= 1 << (slot)) 298 #endif 299 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_SLOT) 300 xfs_log_item_desc_t *xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot); 301 #define XFS_LIC_SLOT(cp,slot) xfs_lic_slot(cp,slot) 302 #else 303 #define XFS_LIC_SLOT(cp,slot) (&((cp)->lic_descs[slot])) 304 #endif 305 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_DESC_TO_SLOT) 306 int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp); 307 #define XFS_LIC_DESC_TO_SLOT(dp) xfs_lic_desc_to_slot(dp) 308 #else 309 #define XFS_LIC_DESC_TO_SLOT(dp) ((uint)((dp)->lid_index)) 310 #endif 311 /* 312 * Calculate the address of a chunk given a descriptor pointer: 313 * dp - dp->lid_index give the address of the start of the lic_descs array. 314 * From this we subtract the offset of the lic_descs field in a chunk. 315 * All of this yields the address of the chunk, which is 316 * cast to a chunk pointer. 317 */ 318 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_DESC_TO_CHUNK) 319 xfs_log_item_chunk_t *xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp); 320 #define XFS_LIC_DESC_TO_CHUNK(dp) xfs_lic_desc_to_chunk(dp) 321 #else 322 #define XFS_LIC_DESC_TO_CHUNK(dp) ((xfs_log_item_chunk_t*) \ 323 (((xfs_caddr_t)((dp) - (dp)->lid_index)) -\ 324 (xfs_caddr_t)(((xfs_log_item_chunk_t*) \ 325 0)->lic_descs))) 326 #endif 327 328 #ifdef __KERNEL__ 329 /* 330 * This structure is used to maintain a list of block ranges that have been 331 * freed in the transaction. The ranges are listed in the perag[] busy list 332 * between when they're freed and the transaction is committed to disk. 333 */ 334 335 typedef struct xfs_log_busy_slot { 336 xfs_agnumber_t lbc_ag; 337 ushort lbc_idx; /* index in perag.busy[] */ 338 } xfs_log_busy_slot_t; 339 340 #define XFS_LBC_NUM_SLOTS 31 341 typedef struct xfs_log_busy_chunk { 342 struct xfs_log_busy_chunk *lbc_next; 343 uint lbc_free; /* bitmask of free slots */ 344 ushort lbc_unused; /* first unused */ 345 xfs_log_busy_slot_t lbc_busy[XFS_LBC_NUM_SLOTS]; 346 } xfs_log_busy_chunk_t; 347 348 #define XFS_LBC_MAX_SLOT (XFS_LBC_NUM_SLOTS - 1) 349 #define XFS_LBC_FREEMASK ((1U << XFS_LBC_NUM_SLOTS) - 1) 350 351 #define XFS_LBC_INIT(cp) ((cp)->lbc_free = XFS_LBC_FREEMASK) 352 #define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot))) 353 #define XFS_LBC_SLOT(cp, slot) (&((cp)->lbc_busy[(slot)])) 354 #define XFS_LBC_VACANCY(cp) (((cp)->lbc_free) & XFS_LBC_FREEMASK) 355 #define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot))) 356 357 /* 358 * This is the type of function which can be given to xfs_trans_callback() 359 * to be called upon the transaction's commit to disk. 360 */ 361 typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *); 362 363 /* 364 * This is the structure maintained for every active transaction. 365 */ 366 typedef struct xfs_trans { 367 unsigned int t_magic; /* magic number */ 368 xfs_log_callback_t t_logcb; /* log callback struct */ 369 struct xfs_trans *t_forw; /* async list pointers */ 370 struct xfs_trans *t_back; /* async list pointers */ 371 unsigned int t_type; /* transaction type */ 372 unsigned int t_log_res; /* amt of log space resvd */ 373 unsigned int t_log_count; /* count for perm log res */ 374 unsigned int t_blk_res; /* # of blocks resvd */ 375 unsigned int t_blk_res_used; /* # of resvd blocks used */ 376 unsigned int t_rtx_res; /* # of rt extents resvd */ 377 unsigned int t_rtx_res_used; /* # of resvd rt extents used */ 378 xfs_log_ticket_t t_ticket; /* log mgr ticket */ 379 sema_t t_sema; /* sema for commit completion */ 380 xfs_lsn_t t_lsn; /* log seq num of start of 381 * transaction. */ 382 xfs_lsn_t t_commit_lsn; /* log seq num of end of 383 * transaction. */ 384 struct xfs_mount *t_mountp; /* ptr to fs mount struct */ 385 struct xfs_dquot_acct *t_dqinfo; /* accting info for dquots */ 386 xfs_trans_callback_t t_callback; /* transaction callback */ 387 void *t_callarg; /* callback arg */ 388 unsigned int t_flags; /* misc flags */ 389 long t_icount_delta; /* superblock icount change */ 390 long t_ifree_delta; /* superblock ifree change */ 391 long t_fdblocks_delta; /* superblock fdblocks chg */ 392 long t_res_fdblocks_delta; /* on-disk only chg */ 393 long t_frextents_delta;/* superblock freextents chg*/ 394 long t_res_frextents_delta; /* on-disk only chg */ 395 long t_ag_freeblks_delta; /* debugging counter */ 396 long t_ag_flist_delta; /* debugging counter */ 397 long t_ag_btree_delta; /* debugging counter */ 398 long t_dblocks_delta;/* superblock dblocks change */ 399 long t_agcount_delta;/* superblock agcount change */ 400 long t_imaxpct_delta;/* superblock imaxpct change */ 401 long t_rextsize_delta;/* superblock rextsize chg */ 402 long t_rbmblocks_delta;/* superblock rbmblocks chg */ 403 long t_rblocks_delta;/* superblock rblocks change */ 404 long t_rextents_delta;/* superblocks rextents chg */ 405 long t_rextslog_delta;/* superblocks rextslog chg */ 406 unsigned int t_items_free; /* log item descs free */ 407 xfs_log_item_chunk_t t_items; /* first log item desc chunk */ 408 xfs_trans_header_t t_header; /* header for in-log trans */ 409 unsigned int t_busy_free; /* busy descs free */ 410 xfs_log_busy_chunk_t t_busy; /* busy/async free blocks */ 411 xfs_pflags_t t_pflags; /* saved pflags state */ 412 } xfs_trans_t; 413 414 #endif /* __KERNEL__ */ 415 416 417 #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */ 418 /* 419 * Values for t_flags. 420 */ 421 #define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */ 422 #define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */ 423 #define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */ 424 #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */ 425 #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */ 426 #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */ 427 428 /* 429 * Values for call flags parameter. 430 */ 431 #define XFS_TRANS_NOSLEEP 0x1 432 #define XFS_TRANS_WAIT 0x2 433 #define XFS_TRANS_RELEASE_LOG_RES 0x4 434 #define XFS_TRANS_ABORT 0x8 435 436 /* 437 * Field values for xfs_trans_mod_sb. 438 */ 439 #define XFS_TRANS_SB_ICOUNT 0x00000001 440 #define XFS_TRANS_SB_IFREE 0x00000002 441 #define XFS_TRANS_SB_FDBLOCKS 0x00000004 442 #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008 443 #define XFS_TRANS_SB_FREXTENTS 0x00000010 444 #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020 445 #define XFS_TRANS_SB_DBLOCKS 0x00000040 446 #define XFS_TRANS_SB_AGCOUNT 0x00000080 447 #define XFS_TRANS_SB_IMAXPCT 0x00000100 448 #define XFS_TRANS_SB_REXTSIZE 0x00000200 449 #define XFS_TRANS_SB_RBMBLOCKS 0x00000400 450 #define XFS_TRANS_SB_RBLOCKS 0x00000800 451 #define XFS_TRANS_SB_REXTENTS 0x00001000 452 #define XFS_TRANS_SB_REXTSLOG 0x00002000 453 454 455 /* 456 * Various log reservation values. 457 * These are based on the size of the file system block 458 * because that is what most transactions manipulate. 459 * Each adds in an additional 128 bytes per item logged to 460 * try to account for the overhead of the transaction mechanism. 461 * 462 * Note: 463 * Most of the reservations underestimate the number of allocation 464 * groups into which they could free extents in the xfs_bmap_finish() 465 * call. This is because the number in the worst case is quite high 466 * and quite unusual. In order to fix this we need to change 467 * xfs_bmap_finish() to free extents in only a single AG at a time. 468 * This will require changes to the EFI code as well, however, so that 469 * the EFI for the extents not freed is logged again in each transaction. 470 * See bug 261917. 471 */ 472 473 /* 474 * Per-extent log reservation for the allocation btree changes 475 * involved in freeing or allocating an extent. 476 * 2 trees * (2 blocks/level * max depth - 1) * block size 477 */ 478 #define XFS_ALLOCFREE_LOG_RES(mp,nx) \ 479 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1))) 480 #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \ 481 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1))) 482 483 /* 484 * Per-directory log reservation for any directory change. 485 * dir blocks: (1 btree block per level + data block + free block) * dblock size 486 * bmap btree: (levels + 2) * max depth * block size 487 * v2 directory blocks can be fragmented below the dirblksize down to the fsb 488 * size, so account for that in the DAENTER macros. 489 */ 490 #define XFS_DIROP_LOG_RES(mp) \ 491 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \ 492 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1))) 493 #define XFS_DIROP_LOG_COUNT(mp) \ 494 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ 495 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) 496 497 /* 498 * In a write transaction we can allocate a maximum of 2 499 * extents. This gives: 500 * the inode getting the new extents: inode size 501 * the inode\'s bmap btree: max depth * block size 502 * the agfs of the ags from which the extents are allocated: 2 * sector 503 * the superblock free block counter: sector size 504 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 505 * And the bmap_finish transaction can free bmap blocks in a join: 506 * the agfs of the ags containing the blocks: 2 * sector size 507 * the agfls of the ags containing the blocks: 2 * sector size 508 * the super block free block counter: sector size 509 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 510 */ 511 #define XFS_CALC_WRITE_LOG_RES(mp) \ 512 (MAX( \ 513 ((mp)->m_sb.sb_inodesize + \ 514 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ 515 (2 * (mp)->m_sb.sb_sectsize) + \ 516 (mp)->m_sb.sb_sectsize + \ 517 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 518 (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\ 519 ((2 * (mp)->m_sb.sb_sectsize) + \ 520 (2 * (mp)->m_sb.sb_sectsize) + \ 521 (mp)->m_sb.sb_sectsize + \ 522 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 523 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 524 525 #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write) 526 527 /* 528 * In truncating a file we free up to two extents at once. We can modify: 529 * the inode being truncated: inode size 530 * the inode\'s bmap btree: (max depth + 1) * block size 531 * And the bmap_finish transaction can free the blocks and bmap blocks: 532 * the agf for each of the ags: 4 * sector size 533 * the agfl for each of the ags: 4 * sector size 534 * the super block to reflect the freed blocks: sector size 535 * worst case split in allocation btrees per extent assuming 4 extents: 536 * 4 exts * 2 trees * (2 * max depth - 1) * block size 537 * the inode btree: max depth * blocksize 538 * the allocation btrees: 2 trees * (max depth - 1) * block size 539 */ 540 #define XFS_CALC_ITRUNCATE_LOG_RES(mp) \ 541 (MAX( \ 542 ((mp)->m_sb.sb_inodesize + \ 543 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \ 544 (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ 545 ((4 * (mp)->m_sb.sb_sectsize) + \ 546 (4 * (mp)->m_sb.sb_sectsize) + \ 547 (mp)->m_sb.sb_sectsize + \ 548 XFS_ALLOCFREE_LOG_RES(mp, 4) + \ 549 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \ 550 (128 * 5) + \ 551 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 552 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 553 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 554 555 #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate) 556 557 /* 558 * In renaming a files we can modify: 559 * the four inodes involved: 4 * inode size 560 * the two directory btrees: 2 * (max depth + v2) * dir block size 561 * the two directory bmap btrees: 2 * max depth * block size 562 * And the bmap_finish transaction can free dir and bmap blocks (two sets 563 * of bmap blocks) giving: 564 * the agf for the ags in which the blocks live: 3 * sector size 565 * the agfl for the ags in which the blocks live: 3 * sector size 566 * the superblock for the free block count: sector size 567 * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size 568 */ 569 #define XFS_CALC_RENAME_LOG_RES(mp) \ 570 (MAX( \ 571 ((4 * (mp)->m_sb.sb_inodesize) + \ 572 (2 * XFS_DIROP_LOG_RES(mp)) + \ 573 (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \ 574 ((3 * (mp)->m_sb.sb_sectsize) + \ 575 (3 * (mp)->m_sb.sb_sectsize) + \ 576 (mp)->m_sb.sb_sectsize + \ 577 XFS_ALLOCFREE_LOG_RES(mp, 3) + \ 578 (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3)))))) 579 580 #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename) 581 582 /* 583 * For creating a link to an inode: 584 * the parent directory inode: inode size 585 * the linked inode: inode size 586 * the directory btree could split: (max depth + v2) * dir block size 587 * the directory bmap btree could join or split: (max depth + v2) * blocksize 588 * And the bmap_finish transaction can free some bmap blocks giving: 589 * the agf for the ag in which the blocks live: sector size 590 * the agfl for the ag in which the blocks live: sector size 591 * the superblock for the free block count: sector size 592 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size 593 */ 594 #define XFS_CALC_LINK_LOG_RES(mp) \ 595 (MAX( \ 596 ((mp)->m_sb.sb_inodesize + \ 597 (mp)->m_sb.sb_inodesize + \ 598 XFS_DIROP_LOG_RES(mp) + \ 599 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ 600 ((mp)->m_sb.sb_sectsize + \ 601 (mp)->m_sb.sb_sectsize + \ 602 (mp)->m_sb.sb_sectsize + \ 603 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 604 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 605 606 #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link) 607 608 /* 609 * For removing a directory entry we can modify: 610 * the parent directory inode: inode size 611 * the removed inode: inode size 612 * the directory btree could join: (max depth + v2) * dir block size 613 * the directory bmap btree could join or split: (max depth + v2) * blocksize 614 * And the bmap_finish transaction can free the dir and bmap blocks giving: 615 * the agf for the ag in which the blocks live: 2 * sector size 616 * the agfl for the ag in which the blocks live: 2 * sector size 617 * the superblock for the free block count: sector size 618 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 619 */ 620 #define XFS_CALC_REMOVE_LOG_RES(mp) \ 621 (MAX( \ 622 ((mp)->m_sb.sb_inodesize + \ 623 (mp)->m_sb.sb_inodesize + \ 624 XFS_DIROP_LOG_RES(mp) + \ 625 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ 626 ((2 * (mp)->m_sb.sb_sectsize) + \ 627 (2 * (mp)->m_sb.sb_sectsize) + \ 628 (mp)->m_sb.sb_sectsize + \ 629 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 630 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 631 632 #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove) 633 634 /* 635 * For symlink we can modify: 636 * the parent directory inode: inode size 637 * the new inode: inode size 638 * the inode btree entry: 1 block 639 * the directory btree: (max depth + v2) * dir block size 640 * the directory inode\'s bmap btree: (max depth + v2) * block size 641 * the blocks for the symlink: 1 KB 642 * Or in the first xact we allocate some inodes giving: 643 * the agi and agf of the ag getting the new inodes: 2 * sectorsize 644 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize 645 * the inode btree: max depth * blocksize 646 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size 647 */ 648 #define XFS_CALC_SYMLINK_LOG_RES(mp) \ 649 (MAX( \ 650 ((mp)->m_sb.sb_inodesize + \ 651 (mp)->m_sb.sb_inodesize + \ 652 XFS_FSB_TO_B(mp, 1) + \ 653 XFS_DIROP_LOG_RES(mp) + \ 654 1024 + \ 655 (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \ 656 (2 * (mp)->m_sb.sb_sectsize + \ 657 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ 658 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \ 659 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 660 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 661 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 662 663 #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink) 664 665 /* 666 * For create we can modify: 667 * the parent directory inode: inode size 668 * the new inode: inode size 669 * the inode btree entry: block size 670 * the superblock for the nlink flag: sector size 671 * the directory btree: (max depth + v2) * dir block size 672 * the directory inode\'s bmap btree: (max depth + v2) * block size 673 * Or in the first xact we allocate some inodes giving: 674 * the agi and agf of the ag getting the new inodes: 2 * sectorsize 675 * the superblock for the nlink flag: sector size 676 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize 677 * the inode btree: max depth * blocksize 678 * the allocation btrees: 2 trees * (max depth - 1) * block size 679 */ 680 #define XFS_CALC_CREATE_LOG_RES(mp) \ 681 (MAX( \ 682 ((mp)->m_sb.sb_inodesize + \ 683 (mp)->m_sb.sb_inodesize + \ 684 (mp)->m_sb.sb_sectsize + \ 685 XFS_FSB_TO_B(mp, 1) + \ 686 XFS_DIROP_LOG_RES(mp) + \ 687 (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \ 688 (3 * (mp)->m_sb.sb_sectsize + \ 689 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ 690 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \ 691 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 692 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 693 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) 694 695 #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create) 696 697 /* 698 * Making a new directory is the same as creating a new file. 699 */ 700 #define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp) 701 702 #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir) 703 704 /* 705 * In freeing an inode we can modify: 706 * the inode being freed: inode size 707 * the super block free inode counter: sector size 708 * the agi hash list and counters: sector size 709 * the inode btree entry: block size 710 * the on disk inode before ours in the agi hash list: inode cluster size 711 * the inode btree: max depth * blocksize 712 * the allocation btrees: 2 trees * (max depth - 1) * block size 713 */ 714 #define XFS_CALC_IFREE_LOG_RES(mp) \ 715 ((mp)->m_sb.sb_inodesize + \ 716 (mp)->m_sb.sb_sectsize + \ 717 (mp)->m_sb.sb_sectsize + \ 718 XFS_FSB_TO_B((mp), 1) + \ 719 MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \ 720 (128 * 5) + \ 721 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 722 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ 723 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 724 725 726 #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree) 727 728 /* 729 * When only changing the inode we log the inode and possibly the superblock 730 * We also add a bit of slop for the transaction stuff. 731 */ 732 #define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \ 733 (mp)->m_sb.sb_sectsize + 512) 734 735 #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange) 736 737 /* 738 * Growing the data section of the filesystem. 739 * superblock 740 * agi and agf 741 * allocation btrees 742 */ 743 #define XFS_CALC_GROWDATA_LOG_RES(mp) \ 744 ((mp)->m_sb.sb_sectsize * 3 + \ 745 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 746 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 747 748 #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata) 749 750 /* 751 * Growing the rt section of the filesystem. 752 * In the first set of transactions (ALLOC) we allocate space to the 753 * bitmap or summary files. 754 * superblock: sector size 755 * agf of the ag from which the extent is allocated: sector size 756 * bmap btree for bitmap/summary inode: max depth * blocksize 757 * bitmap/summary inode: inode size 758 * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize 759 */ 760 #define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \ 761 (2 * (mp)->m_sb.sb_sectsize + \ 762 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ 763 (mp)->m_sb.sb_inodesize + \ 764 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 765 (128 * \ 766 (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \ 767 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 768 769 #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc) 770 771 /* 772 * Growing the rt section of the filesystem. 773 * In the second set of transactions (ZERO) we zero the new metadata blocks. 774 * one bitmap/summary block: blocksize 775 */ 776 #define XFS_CALC_GROWRTZERO_LOG_RES(mp) \ 777 ((mp)->m_sb.sb_blocksize + 128) 778 779 #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero) 780 781 /* 782 * Growing the rt section of the filesystem. 783 * In the third set of transactions (FREE) we update metadata without 784 * allocating any new blocks. 785 * superblock: sector size 786 * bitmap inode: inode size 787 * summary inode: inode size 788 * one bitmap block: blocksize 789 * summary blocks: new summary size 790 */ 791 #define XFS_CALC_GROWRTFREE_LOG_RES(mp) \ 792 ((mp)->m_sb.sb_sectsize + \ 793 2 * (mp)->m_sb.sb_inodesize + \ 794 (mp)->m_sb.sb_blocksize + \ 795 (mp)->m_rsumsize + \ 796 (128 * 5)) 797 798 #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree) 799 800 /* 801 * Logging the inode modification timestamp on a synchronous write. 802 * inode 803 */ 804 #define XFS_CALC_SWRITE_LOG_RES(mp) \ 805 ((mp)->m_sb.sb_inodesize + 128) 806 807 #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 808 809 /* 810 * Logging the inode timestamps on an fsync -- same as SWRITE 811 * as long as SWRITE logs the entire inode core 812 */ 813 #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 814 815 /* 816 * Logging the inode mode bits when writing a setuid/setgid file 817 * inode 818 */ 819 #define XFS_CALC_WRITEID_LOG_RES(mp) \ 820 ((mp)->m_sb.sb_inodesize + 128) 821 822 #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) 823 824 /* 825 * Converting the inode from non-attributed to attributed. 826 * the inode being converted: inode size 827 * agf block and superblock (for block allocation) 828 * the new block (directory sized) 829 * bmap blocks for the new directory block 830 * allocation btrees 831 */ 832 #define XFS_CALC_ADDAFORK_LOG_RES(mp) \ 833 ((mp)->m_sb.sb_inodesize + \ 834 (mp)->m_sb.sb_sectsize * 2 + \ 835 (mp)->m_dirblksize + \ 836 (XFS_DIR_IS_V1(mp) ? 0 : \ 837 XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1))) + \ 838 XFS_ALLOCFREE_LOG_RES(mp, 1) + \ 839 (128 * (4 + \ 840 (XFS_DIR_IS_V1(mp) ? 0 : \ 841 XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \ 842 XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) 843 844 #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork) 845 846 /* 847 * Removing the attribute fork of a file 848 * the inode being truncated: inode size 849 * the inode\'s bmap btree: max depth * block size 850 * And the bmap_finish transaction can free the blocks and bmap blocks: 851 * the agf for each of the ags: 4 * sector size 852 * the agfl for each of the ags: 4 * sector size 853 * the super block to reflect the freed blocks: sector size 854 * worst case split in allocation btrees per extent assuming 4 extents: 855 * 4 exts * 2 trees * (2 * max depth - 1) * block size 856 */ 857 #define XFS_CALC_ATTRINVAL_LOG_RES(mp) \ 858 (MAX( \ 859 ((mp)->m_sb.sb_inodesize + \ 860 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ 861 (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \ 862 ((4 * (mp)->m_sb.sb_sectsize) + \ 863 (4 * (mp)->m_sb.sb_sectsize) + \ 864 (mp)->m_sb.sb_sectsize + \ 865 XFS_ALLOCFREE_LOG_RES(mp, 4) + \ 866 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4)))))) 867 868 #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval) 869 870 /* 871 * Setting an attribute. 872 * the inode getting the attribute 873 * the superblock for allocations 874 * the agfs extents are allocated from 875 * the attribute btree * max depth 876 * the inode allocation btree 877 * Since attribute transaction space is dependent on the size of the attribute, 878 * the calculation is done partially at mount time and partially at runtime. 879 */ 880 #define XFS_CALC_ATTRSET_LOG_RES(mp) \ 881 ((mp)->m_sb.sb_inodesize + \ 882 (mp)->m_sb.sb_sectsize + \ 883 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ 884 (128 * (2 + XFS_DA_NODE_MAXDEPTH))) 885 886 #define XFS_ATTRSET_LOG_RES(mp, ext) \ 887 ((mp)->m_reservations.tr_attrset + \ 888 (ext * (mp)->m_sb.sb_sectsize) + \ 889 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \ 890 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))))) 891 892 /* 893 * Removing an attribute. 894 * the inode: inode size 895 * the attribute btree could join: max depth * block size 896 * the inode bmap btree could join or split: max depth * block size 897 * And the bmap_finish transaction can free the attr blocks freed giving: 898 * the agf for the ag in which the blocks live: 2 * sector size 899 * the agfl for the ag in which the blocks live: 2 * sector size 900 * the superblock for the free block count: sector size 901 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size 902 */ 903 #define XFS_CALC_ATTRRM_LOG_RES(mp) \ 904 (MAX( \ 905 ((mp)->m_sb.sb_inodesize + \ 906 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ 907 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ 908 (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ 909 ((2 * (mp)->m_sb.sb_sectsize) + \ 910 (2 * (mp)->m_sb.sb_sectsize) + \ 911 (mp)->m_sb.sb_sectsize + \ 912 XFS_ALLOCFREE_LOG_RES(mp, 2) + \ 913 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) 914 915 #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm) 916 917 /* 918 * Clearing a bad agino number in an agi hash bucket. 919 */ 920 #define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \ 921 ((mp)->m_sb.sb_sectsize + 128) 922 923 #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi) 924 925 926 /* 927 * Various log count values. 928 */ 929 #define XFS_DEFAULT_LOG_COUNT 1 930 #define XFS_DEFAULT_PERM_LOG_COUNT 2 931 #define XFS_ITRUNCATE_LOG_COUNT 2 932 #define XFS_INACTIVE_LOG_COUNT 2 933 #define XFS_CREATE_LOG_COUNT 2 934 #define XFS_MKDIR_LOG_COUNT 3 935 #define XFS_SYMLINK_LOG_COUNT 3 936 #define XFS_REMOVE_LOG_COUNT 2 937 #define XFS_LINK_LOG_COUNT 2 938 #define XFS_RENAME_LOG_COUNT 2 939 #define XFS_WRITE_LOG_COUNT 2 940 #define XFS_ADDAFORK_LOG_COUNT 2 941 #define XFS_ATTRINVAL_LOG_COUNT 1 942 #define XFS_ATTRSET_LOG_COUNT 3 943 #define XFS_ATTRRM_LOG_COUNT 3 944 945 /* 946 * Here we centralize the specification of XFS meta-data buffer 947 * reference count values. This determine how hard the buffer 948 * cache tries to hold onto the buffer. 949 */ 950 #define XFS_AGF_REF 4 951 #define XFS_AGI_REF 4 952 #define XFS_AGFL_REF 3 953 #define XFS_INO_BTREE_REF 3 954 #define XFS_ALLOC_BTREE_REF 2 955 #define XFS_BMAP_BTREE_REF 2 956 #define XFS_DIR_BTREE_REF 2 957 #define XFS_ATTR_BTREE_REF 1 958 #define XFS_INO_REF 1 959 #define XFS_DQUOT_REF 1 960 961 #ifdef __KERNEL__ 962 /* 963 * XFS transaction mechanism exported interfaces that are 964 * actually macros. 965 */ 966 #define xfs_trans_get_log_res(tp) ((tp)->t_log_res) 967 #define xfs_trans_get_log_count(tp) ((tp)->t_log_count) 968 #define xfs_trans_get_block_res(tp) ((tp)->t_blk_res) 969 #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC) 970 971 #ifdef DEBUG 972 #define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (long)d) 973 #define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (long)d) 974 #define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (long)d) 975 #else 976 #define xfs_trans_agblocks_delta(tp, d) 977 #define xfs_trans_agflist_delta(tp, d) 978 #define xfs_trans_agbtree_delta(tp, d) 979 #endif 980 981 /* 982 * XFS transaction mechanism exported interfaces. 983 */ 984 void xfs_trans_init(struct xfs_mount *); 985 xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint); 986 xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint); 987 xfs_trans_t *xfs_trans_dup(xfs_trans_t *); 988 int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint, 989 uint, uint); 990 void xfs_trans_callback(xfs_trans_t *, 991 void (*)(xfs_trans_t *, void *), void *); 992 void xfs_trans_mod_sb(xfs_trans_t *, uint, long); 993 struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t, 994 int, uint); 995 int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *, 996 struct xfs_buftarg *, xfs_daddr_t, int, uint, 997 struct xfs_buf **); 998 struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int); 999 1000 void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *); 1001 void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *); 1002 void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *); 1003 void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *); 1004 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *); 1005 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *); 1006 void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *); 1007 void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint); 1008 void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *); 1009 int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *, 1010 xfs_ino_t , uint, uint, struct xfs_inode **); 1011 void xfs_trans_ijoin(xfs_trans_t *, struct xfs_inode *, uint); 1012 void xfs_trans_ihold(xfs_trans_t *, struct xfs_inode *); 1013 void xfs_trans_ihold_release(xfs_trans_t *, struct xfs_inode *); 1014 void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint); 1015 void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint); 1016 struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint); 1017 void xfs_efi_release(struct xfs_efi_log_item *, uint); 1018 void xfs_trans_log_efi_extent(xfs_trans_t *, 1019 struct xfs_efi_log_item *, 1020 xfs_fsblock_t, 1021 xfs_extlen_t); 1022 struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *, 1023 struct xfs_efi_log_item *, 1024 uint); 1025 void xfs_trans_log_efd_extent(xfs_trans_t *, 1026 struct xfs_efd_log_item *, 1027 xfs_fsblock_t, 1028 xfs_extlen_t); 1029 int xfs_trans_commit(xfs_trans_t *, uint flags, xfs_lsn_t *); 1030 void xfs_trans_cancel(xfs_trans_t *, int); 1031 void xfs_trans_ail_init(struct xfs_mount *); 1032 xfs_lsn_t xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t); 1033 xfs_lsn_t xfs_trans_tail_ail(struct xfs_mount *); 1034 void xfs_trans_unlocked_item(struct xfs_mount *, 1035 xfs_log_item_t *); 1036 xfs_log_busy_slot_t *xfs_trans_add_busy(xfs_trans_t *tp, 1037 xfs_agnumber_t ag, 1038 xfs_extlen_t idx); 1039 1040 #endif /* __KERNEL__ */ 1041 1042 #endif /* __XFS_TRANS_H__ */ 1043