1 /* -*- mode: c; c-basic-offset: 8; -*- 2 * vim: noexpandtab sw=8 ts=8 sts=0: 3 * 4 * journal.h 5 * 6 * Defines journalling api and structures. 7 * 8 * Copyright (C) 2003, 2005 Oracle. All rights reserved. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public 12 * License as published by the Free Software Foundation; either 13 * version 2 of the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public 21 * License along with this program; if not, write to the 22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 23 * Boston, MA 021110-1307, USA. 24 */ 25 26 #ifndef OCFS2_JOURNAL_H 27 #define OCFS2_JOURNAL_H 28 29 #include <linux/fs.h> 30 #include <linux/jbd2.h> 31 32 enum ocfs2_journal_state { 33 OCFS2_JOURNAL_FREE = 0, 34 OCFS2_JOURNAL_LOADED, 35 OCFS2_JOURNAL_IN_SHUTDOWN, 36 }; 37 38 struct ocfs2_super; 39 struct ocfs2_dinode; 40 41 /* 42 * The recovery_list is a simple linked list of node numbers to recover. 43 * It is protected by the recovery_lock. 44 */ 45 46 struct ocfs2_recovery_map { 47 unsigned int rm_used; 48 unsigned int *rm_entries; 49 }; 50 51 52 struct ocfs2_journal { 53 enum ocfs2_journal_state j_state; /* Journals current state */ 54 55 journal_t *j_journal; /* The kernels journal type */ 56 struct inode *j_inode; /* Kernel inode pointing to 57 * this journal */ 58 struct ocfs2_super *j_osb; /* pointer to the super 59 * block for the node 60 * we're currently 61 * running on -- not 62 * necessarily the super 63 * block from the node 64 * which we usually run 65 * from (recovery, 66 * etc) */ 67 struct buffer_head *j_bh; /* Journal disk inode block */ 68 atomic_t j_num_trans; /* Number of transactions 69 * currently in the system. */ 70 unsigned long j_trans_id; 71 struct rw_semaphore j_trans_barrier; 72 wait_queue_head_t j_checkpointed; 73 74 spinlock_t j_lock; 75 struct list_head j_la_cleanups; 76 struct work_struct j_recovery_work; 77 }; 78 79 extern spinlock_t trans_inc_lock; 80 81 /* wrap j_trans_id so we never have it equal to zero. */ 82 static inline unsigned long ocfs2_inc_trans_id(struct ocfs2_journal *j) 83 { 84 unsigned long old_id; 85 spin_lock(&trans_inc_lock); 86 old_id = j->j_trans_id++; 87 if (unlikely(!j->j_trans_id)) 88 j->j_trans_id = 1; 89 spin_unlock(&trans_inc_lock); 90 return old_id; 91 } 92 93 static inline void ocfs2_set_inode_lock_trans(struct ocfs2_journal *journal, 94 struct inode *inode) 95 { 96 spin_lock(&trans_inc_lock); 97 OCFS2_I(inode)->ip_last_trans = journal->j_trans_id; 98 spin_unlock(&trans_inc_lock); 99 } 100 101 /* Used to figure out whether it's safe to drop a metadata lock on an 102 * inode. Returns true if all the inodes changes have been 103 * checkpointed to disk. You should be holding the spinlock on the 104 * metadata lock while calling this to be sure that nobody can take 105 * the lock and put it on another transaction. */ 106 static inline int ocfs2_inode_fully_checkpointed(struct inode *inode) 107 { 108 int ret; 109 struct ocfs2_journal *journal = OCFS2_SB(inode->i_sb)->journal; 110 111 spin_lock(&trans_inc_lock); 112 ret = time_after(journal->j_trans_id, OCFS2_I(inode)->ip_last_trans); 113 spin_unlock(&trans_inc_lock); 114 return ret; 115 } 116 117 /* convenience function to check if an inode is still new (has never 118 * hit disk) Will do you a favor and set created_trans = 0 when you've 119 * been checkpointed. returns '1' if the inode is still new. */ 120 static inline int ocfs2_inode_is_new(struct inode *inode) 121 { 122 int ret; 123 124 /* System files are never "new" as they're written out by 125 * mkfs. This helps us early during mount, before we have the 126 * journal open and j_trans_id could be junk. */ 127 if (OCFS2_I(inode)->ip_flags & OCFS2_INODE_SYSTEM_FILE) 128 return 0; 129 spin_lock(&trans_inc_lock); 130 ret = !(time_after(OCFS2_SB(inode->i_sb)->journal->j_trans_id, 131 OCFS2_I(inode)->ip_created_trans)); 132 if (!ret) 133 OCFS2_I(inode)->ip_created_trans = 0; 134 spin_unlock(&trans_inc_lock); 135 return ret; 136 } 137 138 static inline void ocfs2_inode_set_new(struct ocfs2_super *osb, 139 struct inode *inode) 140 { 141 spin_lock(&trans_inc_lock); 142 OCFS2_I(inode)->ip_created_trans = osb->journal->j_trans_id; 143 spin_unlock(&trans_inc_lock); 144 } 145 146 /* Exported only for the journal struct init code in super.c. Do not call. */ 147 void ocfs2_orphan_scan_init(struct ocfs2_super *osb); 148 void ocfs2_orphan_scan_start(struct ocfs2_super *osb); 149 void ocfs2_orphan_scan_stop(struct ocfs2_super *osb); 150 void ocfs2_orphan_scan_exit(struct ocfs2_super *osb); 151 152 void ocfs2_complete_recovery(struct work_struct *work); 153 void ocfs2_wait_for_recovery(struct ocfs2_super *osb); 154 155 int ocfs2_recovery_init(struct ocfs2_super *osb); 156 void ocfs2_recovery_exit(struct ocfs2_super *osb); 157 158 int ocfs2_compute_replay_slots(struct ocfs2_super *osb); 159 /* 160 * Journal Control: 161 * Initialize, Load, Shutdown, Wipe a journal. 162 * 163 * ocfs2_journal_init - Initialize journal structures in the OSB. 164 * ocfs2_journal_load - Load the given journal off disk. Replay it if 165 * there's transactions still in there. 166 * ocfs2_journal_shutdown - Shutdown a journal, this will flush all 167 * uncommitted, uncheckpointed transactions. 168 * ocfs2_journal_wipe - Wipe transactions from a journal. Optionally 169 * zero out each block. 170 * ocfs2_recovery_thread - Perform recovery on a node. osb is our own osb. 171 * ocfs2_mark_dead_nodes - Start recovery on nodes we won't get a heartbeat 172 * event on. 173 * ocfs2_start_checkpoint - Kick the commit thread to do a checkpoint. 174 */ 175 void ocfs2_set_journal_params(struct ocfs2_super *osb); 176 int ocfs2_journal_init(struct ocfs2_journal *journal, 177 int *dirty); 178 void ocfs2_journal_shutdown(struct ocfs2_super *osb); 179 int ocfs2_journal_wipe(struct ocfs2_journal *journal, 180 int full); 181 int ocfs2_journal_load(struct ocfs2_journal *journal, int local, 182 int replayed); 183 int ocfs2_check_journals_nolocks(struct ocfs2_super *osb); 184 void ocfs2_recovery_thread(struct ocfs2_super *osb, 185 int node_num); 186 int ocfs2_mark_dead_nodes(struct ocfs2_super *osb); 187 void ocfs2_complete_mount_recovery(struct ocfs2_super *osb); 188 void ocfs2_complete_quota_recovery(struct ocfs2_super *osb); 189 190 static inline void ocfs2_start_checkpoint(struct ocfs2_super *osb) 191 { 192 atomic_set(&osb->needs_checkpoint, 1); 193 wake_up(&osb->checkpoint_event); 194 } 195 196 static inline void ocfs2_checkpoint_inode(struct inode *inode) 197 { 198 struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); 199 200 if (ocfs2_mount_local(osb)) 201 return; 202 203 if (!ocfs2_inode_fully_checkpointed(inode)) { 204 /* WARNING: This only kicks off a single 205 * checkpoint. If someone races you and adds more 206 * metadata to the journal, you won't know, and will 207 * wind up waiting *alot* longer than necessary. Right 208 * now we only use this in clear_inode so that's 209 * OK. */ 210 ocfs2_start_checkpoint(osb); 211 212 wait_event(osb->journal->j_checkpointed, 213 ocfs2_inode_fully_checkpointed(inode)); 214 } 215 } 216 217 /* 218 * Transaction Handling: 219 * Manage the lifetime of a transaction handle. 220 * 221 * ocfs2_start_trans - Begin a transaction. Give it an upper estimate of 222 * the number of blocks that will be changed during 223 * this handle. 224 * ocfs2_commit_trans - Complete a handle. It might return -EIO if 225 * the journal was aborted. The majority of paths don't 226 * check the return value as an error there comes too 227 * late to do anything (and will be picked up in a 228 * later transaction). 229 * ocfs2_extend_trans - Extend a handle by nblocks credits. This may 230 * commit the handle to disk in the process, but will 231 * not release any locks taken during the transaction. 232 * ocfs2_journal_access* - Notify the handle that we want to journal this 233 * buffer. Will have to call ocfs2_journal_dirty once 234 * we've actually dirtied it. Type is one of . or . 235 * Always call the specific flavor of 236 * ocfs2_journal_access_*() unless you intend to 237 * manage the checksum by hand. 238 * ocfs2_journal_dirty - Mark a journalled buffer as having dirty data. 239 * ocfs2_jbd2_file_inode - Mark an inode so that its data goes out before 240 * the current handle commits. 241 */ 242 243 /* You must always start_trans with a number of buffs > 0, but it's 244 * perfectly legal to go through an entire transaction without having 245 * dirtied any buffers. */ 246 handle_t *ocfs2_start_trans(struct ocfs2_super *osb, 247 int max_buffs); 248 int ocfs2_commit_trans(struct ocfs2_super *osb, 249 handle_t *handle); 250 int ocfs2_extend_trans(handle_t *handle, int nblocks); 251 252 /* 253 * Create access is for when we get a newly created buffer and we're 254 * not gonna read it off disk, but rather fill it ourselves. Right 255 * now, we don't do anything special with this (it turns into a write 256 * request), but this is a good placeholder in case we do... 257 * 258 * Write access is for when we read a block off disk and are going to 259 * modify it. This way the journalling layer knows it may need to make 260 * a copy of that block (if it's part of another, uncommitted 261 * transaction) before we do so. 262 */ 263 #define OCFS2_JOURNAL_ACCESS_CREATE 0 264 #define OCFS2_JOURNAL_ACCESS_WRITE 1 265 #define OCFS2_JOURNAL_ACCESS_UNDO 2 266 267 268 /* ocfs2_inode */ 269 int ocfs2_journal_access_di(handle_t *handle, struct inode *inode, 270 struct buffer_head *bh, int type); 271 /* ocfs2_extent_block */ 272 int ocfs2_journal_access_eb(handle_t *handle, struct inode *inode, 273 struct buffer_head *bh, int type); 274 /* ocfs2_group_desc */ 275 int ocfs2_journal_access_gd(handle_t *handle, struct inode *inode, 276 struct buffer_head *bh, int type); 277 /* ocfs2_xattr_block */ 278 int ocfs2_journal_access_xb(handle_t *handle, struct inode *inode, 279 struct buffer_head *bh, int type); 280 /* quota blocks */ 281 int ocfs2_journal_access_dq(handle_t *handle, struct inode *inode, 282 struct buffer_head *bh, int type); 283 /* dirblock */ 284 int ocfs2_journal_access_db(handle_t *handle, struct inode *inode, 285 struct buffer_head *bh, int type); 286 /* ocfs2_dx_root_block */ 287 int ocfs2_journal_access_dr(handle_t *handle, struct inode *inode, 288 struct buffer_head *bh, int type); 289 /* ocfs2_dx_leaf */ 290 int ocfs2_journal_access_dl(handle_t *handle, struct inode *inode, 291 struct buffer_head *bh, int type); 292 /* Anything that has no ecc */ 293 int ocfs2_journal_access(handle_t *handle, struct inode *inode, 294 struct buffer_head *bh, int type); 295 296 /* 297 * A word about the journal_access/journal_dirty "dance". It is 298 * entirely legal to journal_access a buffer more than once (as long 299 * as the access type is the same -- I'm not sure what will happen if 300 * access type is different but this should never happen anyway) It is 301 * also legal to journal_dirty a buffer more than once. In fact, you 302 * can even journal_access a buffer after you've done a 303 * journal_access/journal_dirty pair. The only thing you cannot do 304 * however, is journal_dirty a buffer which you haven't yet passed to 305 * journal_access at least once. 306 * 307 * That said, 99% of the time this doesn't matter and this is what the 308 * path looks like: 309 * 310 * <read a bh> 311 * ocfs2_journal_access(handle, bh, OCFS2_JOURNAL_ACCESS_WRITE); 312 * <modify the bh> 313 * ocfs2_journal_dirty(handle, bh); 314 */ 315 int ocfs2_journal_dirty(handle_t *handle, 316 struct buffer_head *bh); 317 318 /* 319 * Credit Macros: 320 * Convenience macros to calculate number of credits needed. 321 * 322 * For convenience sake, I have a set of macros here which calculate 323 * the *maximum* number of sectors which will be changed for various 324 * metadata updates. 325 */ 326 327 /* simple file updates like chmod, etc. */ 328 #define OCFS2_INODE_UPDATE_CREDITS 1 329 330 /* extended attribute block update */ 331 #define OCFS2_XATTR_BLOCK_UPDATE_CREDITS 1 332 333 /* Update of a single quota block */ 334 #define OCFS2_QUOTA_BLOCK_UPDATE_CREDITS 1 335 336 /* global quotafile inode update, data block */ 337 #define OCFS2_QINFO_WRITE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + \ 338 OCFS2_QUOTA_BLOCK_UPDATE_CREDITS) 339 340 #define OCFS2_LOCAL_QINFO_WRITE_CREDITS OCFS2_QUOTA_BLOCK_UPDATE_CREDITS 341 /* 342 * The two writes below can accidentally see global info dirty due 343 * to set_info() quotactl so make them prepared for the writes. 344 */ 345 /* quota data block, global info */ 346 /* Write to local quota file */ 347 #define OCFS2_QWRITE_CREDITS (OCFS2_QINFO_WRITE_CREDITS + \ 348 OCFS2_QUOTA_BLOCK_UPDATE_CREDITS) 349 350 /* global quota data block, local quota data block, global quota inode, 351 * global quota info */ 352 #define OCFS2_QSYNC_CREDITS (OCFS2_QINFO_WRITE_CREDITS + \ 353 2 * OCFS2_QUOTA_BLOCK_UPDATE_CREDITS) 354 355 static inline int ocfs2_quota_trans_credits(struct super_block *sb) 356 { 357 int credits = 0; 358 359 if (OCFS2_HAS_RO_COMPAT_FEATURE(sb, OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) 360 credits += OCFS2_QWRITE_CREDITS; 361 if (OCFS2_HAS_RO_COMPAT_FEATURE(sb, OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) 362 credits += OCFS2_QWRITE_CREDITS; 363 return credits; 364 } 365 366 /* group extend. inode update and last group update. */ 367 #define OCFS2_GROUP_EXTEND_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1) 368 369 /* group add. inode update and the new group update. */ 370 #define OCFS2_GROUP_ADD_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1) 371 372 /* get one bit out of a suballocator: dinode + group descriptor + 373 * prev. group desc. if we relink. */ 374 #define OCFS2_SUBALLOC_ALLOC (3) 375 376 static inline int ocfs2_inline_to_extents_credits(struct super_block *sb) 377 { 378 return OCFS2_SUBALLOC_ALLOC + OCFS2_INODE_UPDATE_CREDITS + 379 ocfs2_quota_trans_credits(sb); 380 } 381 382 /* dinode + group descriptor update. We don't relink on free yet. */ 383 #define OCFS2_SUBALLOC_FREE (2) 384 385 #define OCFS2_TRUNCATE_LOG_UPDATE OCFS2_INODE_UPDATE_CREDITS 386 #define OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC (OCFS2_SUBALLOC_FREE \ 387 + OCFS2_TRUNCATE_LOG_UPDATE) 388 389 static inline int ocfs2_remove_extent_credits(struct super_block *sb) 390 { 391 return OCFS2_TRUNCATE_LOG_UPDATE + OCFS2_INODE_UPDATE_CREDITS + 392 ocfs2_quota_trans_credits(sb); 393 } 394 395 /* data block for new dir/symlink, 2 for bitmap updates (bitmap fe + 396 * bitmap block for the new bit) dx_root update for free list */ 397 #define OCFS2_DIR_LINK_ADDITIONAL_CREDITS (1 + 2 + 1) 398 399 static inline int ocfs2_add_dir_index_credits(struct super_block *sb) 400 { 401 /* 1 block for index, 2 allocs (data, metadata), 1 clusters 402 * worth of blocks for initial extent. */ 403 return 1 + 2 * OCFS2_SUBALLOC_ALLOC + 404 ocfs2_clusters_to_blocks(sb, 1); 405 } 406 407 /* parent fe, parent block, new file entry, index leaf, inode alloc fe, inode 408 * alloc group descriptor + mkdir/symlink blocks + dir blocks + xattr 409 * blocks + quota update */ 410 static inline int ocfs2_mknod_credits(struct super_block *sb, int is_dir, 411 int xattr_credits) 412 { 413 int dir_credits = OCFS2_DIR_LINK_ADDITIONAL_CREDITS; 414 415 if (is_dir) 416 dir_credits += ocfs2_add_dir_index_credits(sb); 417 418 return 4 + OCFS2_SUBALLOC_ALLOC + dir_credits + xattr_credits + 419 ocfs2_quota_trans_credits(sb); 420 } 421 422 /* local alloc metadata change + main bitmap updates */ 423 #define OCFS2_WINDOW_MOVE_CREDITS (OCFS2_INODE_UPDATE_CREDITS \ 424 + OCFS2_SUBALLOC_ALLOC + OCFS2_SUBALLOC_FREE) 425 426 /* used when we don't need an allocation change for a dir extend. One 427 * for the dinode, one for the new block. */ 428 #define OCFS2_SIMPLE_DIR_EXTEND_CREDITS (2) 429 430 /* file update (nlink, etc) + directory mtime/ctime + dir entry block + quota 431 * update on dir + index leaf + dx root update for free list */ 432 static inline int ocfs2_link_credits(struct super_block *sb) 433 { 434 return 2*OCFS2_INODE_UPDATE_CREDITS + 3 + 435 ocfs2_quota_trans_credits(sb); 436 } 437 438 /* inode + dir inode (if we unlink a dir), + dir entry block + orphan 439 * dir inode link + dir inode index leaf + dir index root */ 440 static inline int ocfs2_unlink_credits(struct super_block *sb) 441 { 442 /* The quota update from ocfs2_link_credits is unused here... */ 443 return 2 * OCFS2_INODE_UPDATE_CREDITS + 3 + ocfs2_link_credits(sb); 444 } 445 446 /* dinode + orphan dir dinode + inode alloc dinode + orphan dir entry + 447 * inode alloc group descriptor + orphan dir index root + 448 * orphan dir index leaf */ 449 #define OCFS2_DELETE_INODE_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 4) 450 451 /* dinode update, old dir dinode update, new dir dinode update, old 452 * dir dir entry, new dir dir entry, dir entry update for renaming 453 * directory + target unlink + 3 x dir index leaves */ 454 static inline int ocfs2_rename_credits(struct super_block *sb) 455 { 456 return 3 * OCFS2_INODE_UPDATE_CREDITS + 6 + ocfs2_unlink_credits(sb); 457 } 458 459 /* global bitmap dinode, group desc., relinked group, 460 * suballocator dinode, group desc., relinked group, 461 * dinode, xattr block */ 462 #define OCFS2_XATTR_BLOCK_CREATE_CREDITS (OCFS2_SUBALLOC_ALLOC * 2 + \ 463 + OCFS2_INODE_UPDATE_CREDITS \ 464 + OCFS2_XATTR_BLOCK_UPDATE_CREDITS) 465 466 /* inode update, removal of dx root block from allocator */ 467 #define OCFS2_DX_ROOT_REMOVE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + \ 468 OCFS2_SUBALLOC_FREE) 469 470 static inline int ocfs2_calc_dxi_expand_credits(struct super_block *sb) 471 { 472 int credits = 1 + OCFS2_SUBALLOC_ALLOC; 473 474 credits += ocfs2_clusters_to_blocks(sb, 1); 475 credits += ocfs2_quota_trans_credits(sb); 476 477 return credits; 478 } 479 480 /* 481 * Please note that the caller must make sure that root_el is the root 482 * of extent tree. So for an inode, it should be &fe->id2.i_list. Otherwise 483 * the result may be wrong. 484 */ 485 static inline int ocfs2_calc_extend_credits(struct super_block *sb, 486 struct ocfs2_extent_list *root_el, 487 u32 bits_wanted) 488 { 489 int bitmap_blocks, sysfile_bitmap_blocks, extent_blocks; 490 491 /* bitmap dinode, group desc. + relinked group. */ 492 bitmap_blocks = OCFS2_SUBALLOC_ALLOC; 493 494 /* we might need to shift tree depth so lets assume an 495 * absolute worst case of complete fragmentation. Even with 496 * that, we only need one update for the dinode, and then 497 * however many metadata chunks needed * a remaining suballoc 498 * alloc. */ 499 sysfile_bitmap_blocks = 1 + 500 (OCFS2_SUBALLOC_ALLOC - 1) * ocfs2_extend_meta_needed(root_el); 501 502 /* this does not include *new* metadata blocks, which are 503 * accounted for in sysfile_bitmap_blocks. root_el + 504 * prev. last_eb_blk + blocks along edge of tree. 505 * calc_symlink_credits passes because we just need 1 506 * credit for the dinode there. */ 507 extent_blocks = 1 + 1 + le16_to_cpu(root_el->l_tree_depth); 508 509 return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks + 510 ocfs2_quota_trans_credits(sb); 511 } 512 513 static inline int ocfs2_calc_symlink_credits(struct super_block *sb) 514 { 515 int blocks = ocfs2_mknod_credits(sb, 0, 0); 516 517 /* links can be longer than one block so we may update many 518 * within our single allocated extent. */ 519 blocks += ocfs2_clusters_to_blocks(sb, 1); 520 521 return blocks + ocfs2_quota_trans_credits(sb); 522 } 523 524 static inline int ocfs2_calc_group_alloc_credits(struct super_block *sb, 525 unsigned int cpg) 526 { 527 int blocks; 528 int bitmap_blocks = OCFS2_SUBALLOC_ALLOC + 1; 529 /* parent inode update + new block group header + bitmap inode update 530 + bitmap blocks affected */ 531 blocks = 1 + 1 + 1 + bitmap_blocks; 532 return blocks; 533 } 534 535 static inline int ocfs2_calc_tree_trunc_credits(struct super_block *sb, 536 unsigned int clusters_to_del, 537 struct ocfs2_dinode *fe, 538 struct ocfs2_extent_list *last_el) 539 { 540 /* for dinode + all headers in this pass + update to next leaf */ 541 u16 next_free = le16_to_cpu(last_el->l_next_free_rec); 542 u16 tree_depth = le16_to_cpu(fe->id2.i_list.l_tree_depth); 543 int credits = 1 + tree_depth + 1; 544 int i; 545 546 i = next_free - 1; 547 BUG_ON(i < 0); 548 549 /* We may be deleting metadata blocks, so metadata alloc dinode + 550 one desc. block for each possible delete. */ 551 if (tree_depth && next_free == 1 && 552 ocfs2_rec_clusters(last_el, &last_el->l_recs[i]) == clusters_to_del) 553 credits += 1 + tree_depth; 554 555 /* update to the truncate log. */ 556 credits += OCFS2_TRUNCATE_LOG_UPDATE; 557 558 credits += ocfs2_quota_trans_credits(sb); 559 560 return credits; 561 } 562 563 static inline int ocfs2_jbd2_file_inode(handle_t *handle, struct inode *inode) 564 { 565 return jbd2_journal_file_inode(handle, &OCFS2_I(inode)->ip_jinode); 566 } 567 568 static inline int ocfs2_begin_ordered_truncate(struct inode *inode, 569 loff_t new_size) 570 { 571 return jbd2_journal_begin_ordered_truncate( 572 OCFS2_SB(inode->i_sb)->journal->j_journal, 573 &OCFS2_I(inode)->ip_jinode, 574 new_size); 575 } 576 577 #endif /* OCFS2_JOURNAL_H */ 578