Lines Matching refs:journal
149 journal_t *journal = from_timer(journal, t, j_commit_timer); in commit_timeout() local
151 wake_up_process(journal->j_task); in commit_timeout()
174 journal_t *journal = arg; in kjournald2() local
181 timer_setup(&journal->j_commit_timer, commit_timeout, 0); in kjournald2()
186 journal->j_task = current; in kjournald2()
187 wake_up(&journal->j_wait_done_commit); in kjournald2()
200 write_lock(&journal->j_state_lock); in kjournald2()
203 if (journal->j_flags & JBD2_UNMOUNT) in kjournald2()
207 journal->j_commit_sequence, journal->j_commit_request); in kjournald2()
209 if (journal->j_commit_sequence != journal->j_commit_request) { in kjournald2()
211 write_unlock(&journal->j_state_lock); in kjournald2()
212 del_timer_sync(&journal->j_commit_timer); in kjournald2()
213 jbd2_journal_commit_transaction(journal); in kjournald2()
214 write_lock(&journal->j_state_lock); in kjournald2()
218 wake_up(&journal->j_wait_done_commit); in kjournald2()
226 write_unlock(&journal->j_state_lock); in kjournald2()
228 write_lock(&journal->j_state_lock); in kjournald2()
237 prepare_to_wait(&journal->j_wait_commit, &wait, in kjournald2()
239 if (journal->j_commit_sequence != journal->j_commit_request) in kjournald2()
241 transaction = journal->j_running_transaction; in kjournald2()
245 if (journal->j_flags & JBD2_UNMOUNT) in kjournald2()
248 write_unlock(&journal->j_state_lock); in kjournald2()
250 write_lock(&journal->j_state_lock); in kjournald2()
252 finish_wait(&journal->j_wait_commit, &wait); in kjournald2()
260 transaction = journal->j_running_transaction; in kjournald2()
262 journal->j_commit_request = transaction->t_tid; in kjournald2()
268 del_timer_sync(&journal->j_commit_timer); in kjournald2()
269 journal->j_task = NULL; in kjournald2()
270 wake_up(&journal->j_wait_done_commit); in kjournald2()
272 write_unlock(&journal->j_state_lock); in kjournald2()
276 static int jbd2_journal_start_thread(journal_t *journal) in jbd2_journal_start_thread() argument
280 t = kthread_run(kjournald2, journal, "jbd2/%s", in jbd2_journal_start_thread()
281 journal->j_devname); in jbd2_journal_start_thread()
285 wait_event(journal->j_wait_done_commit, journal->j_task != NULL); in jbd2_journal_start_thread()
289 static void journal_kill_thread(journal_t *journal) in journal_kill_thread() argument
291 write_lock(&journal->j_state_lock); in journal_kill_thread()
292 journal->j_flags |= JBD2_UNMOUNT; in journal_kill_thread()
294 while (journal->j_task) { in journal_kill_thread()
295 write_unlock(&journal->j_state_lock); in journal_kill_thread()
296 wake_up(&journal->j_wait_commit); in journal_kill_thread()
297 wait_event(journal->j_wait_done_commit, journal->j_task == NULL); in journal_kill_thread()
298 write_lock(&journal->j_state_lock); in journal_kill_thread()
300 write_unlock(&journal->j_state_lock); in journal_kill_thread()
351 journal_t *journal = transaction->t_journal; in jbd2_journal_write_metadata_buffer() local
452 new_bh->b_bdev = journal->j_dev; in jbd2_journal_write_metadata_buffer()
466 spin_lock(&journal->j_list_lock); in jbd2_journal_write_metadata_buffer()
468 spin_unlock(&journal->j_list_lock); in jbd2_journal_write_metadata_buffer()
484 int __jbd2_log_start_commit(journal_t *journal, tid_t target) in __jbd2_log_start_commit() argument
487 if (journal->j_commit_request == target) in __jbd2_log_start_commit()
495 if (journal->j_running_transaction && in __jbd2_log_start_commit()
496 journal->j_running_transaction->t_tid == target) { in __jbd2_log_start_commit()
502 journal->j_commit_request = target; in __jbd2_log_start_commit()
504 journal->j_commit_request, in __jbd2_log_start_commit()
505 journal->j_commit_sequence); in __jbd2_log_start_commit()
506 journal->j_running_transaction->t_requested = jiffies; in __jbd2_log_start_commit()
507 wake_up(&journal->j_wait_commit); in __jbd2_log_start_commit()
509 } else if (!tid_geq(journal->j_commit_request, target)) in __jbd2_log_start_commit()
514 journal->j_commit_request, in __jbd2_log_start_commit()
515 journal->j_commit_sequence, in __jbd2_log_start_commit()
516 target, journal->j_running_transaction ? in __jbd2_log_start_commit()
517 journal->j_running_transaction->t_tid : 0); in __jbd2_log_start_commit()
521 int jbd2_log_start_commit(journal_t *journal, tid_t tid) in jbd2_log_start_commit() argument
525 write_lock(&journal->j_state_lock); in jbd2_log_start_commit()
526 ret = __jbd2_log_start_commit(journal, tid); in jbd2_log_start_commit()
527 write_unlock(&journal->j_state_lock); in jbd2_log_start_commit()
538 static int __jbd2_journal_force_commit(journal_t *journal) in __jbd2_journal_force_commit() argument
544 read_lock(&journal->j_state_lock); in __jbd2_journal_force_commit()
545 if (journal->j_running_transaction && !current->journal_info) { in __jbd2_journal_force_commit()
546 transaction = journal->j_running_transaction; in __jbd2_journal_force_commit()
547 if (!tid_geq(journal->j_commit_request, transaction->t_tid)) in __jbd2_journal_force_commit()
549 } else if (journal->j_committing_transaction) in __jbd2_journal_force_commit()
550 transaction = journal->j_committing_transaction; in __jbd2_journal_force_commit()
554 read_unlock(&journal->j_state_lock); in __jbd2_journal_force_commit()
558 read_unlock(&journal->j_state_lock); in __jbd2_journal_force_commit()
560 jbd2_log_start_commit(journal, tid); in __jbd2_journal_force_commit()
561 ret = jbd2_log_wait_commit(journal, tid); in __jbd2_journal_force_commit()
578 int jbd2_journal_force_commit_nested(journal_t *journal) in jbd2_journal_force_commit_nested() argument
582 ret = __jbd2_journal_force_commit(journal); in jbd2_journal_force_commit_nested()
593 int jbd2_journal_force_commit(journal_t *journal) in jbd2_journal_force_commit() argument
598 ret = __jbd2_journal_force_commit(journal); in jbd2_journal_force_commit()
609 int jbd2_journal_start_commit(journal_t *journal, tid_t *ptid) in jbd2_journal_start_commit() argument
613 write_lock(&journal->j_state_lock); in jbd2_journal_start_commit()
614 if (journal->j_running_transaction) { in jbd2_journal_start_commit()
615 tid_t tid = journal->j_running_transaction->t_tid; in jbd2_journal_start_commit()
617 __jbd2_log_start_commit(journal, tid); in jbd2_journal_start_commit()
623 } else if (journal->j_committing_transaction) { in jbd2_journal_start_commit()
629 *ptid = journal->j_committing_transaction->t_tid; in jbd2_journal_start_commit()
632 write_unlock(&journal->j_state_lock); in jbd2_journal_start_commit()
642 int jbd2_trans_will_send_data_barrier(journal_t *journal, tid_t tid) in jbd2_trans_will_send_data_barrier() argument
647 if (!(journal->j_flags & JBD2_BARRIER)) in jbd2_trans_will_send_data_barrier()
649 read_lock(&journal->j_state_lock); in jbd2_trans_will_send_data_barrier()
651 if (tid_geq(journal->j_commit_sequence, tid)) in jbd2_trans_will_send_data_barrier()
653 commit_trans = journal->j_committing_transaction; in jbd2_trans_will_send_data_barrier()
662 if (journal->j_fs_dev != journal->j_dev) { in jbd2_trans_will_send_data_barrier()
672 read_unlock(&journal->j_state_lock); in jbd2_trans_will_send_data_barrier()
681 int jbd2_log_wait_commit(journal_t *journal, tid_t tid) in jbd2_log_wait_commit() argument
685 read_lock(&journal->j_state_lock); in jbd2_log_wait_commit()
692 if (tid_gt(tid, journal->j_commit_sequence) && in jbd2_log_wait_commit()
693 (!journal->j_committing_transaction || in jbd2_log_wait_commit()
694 journal->j_committing_transaction->t_tid != tid)) { in jbd2_log_wait_commit()
695 read_unlock(&journal->j_state_lock); in jbd2_log_wait_commit()
696 jbd2_might_wait_for_commit(journal); in jbd2_log_wait_commit()
697 read_lock(&journal->j_state_lock); in jbd2_log_wait_commit()
701 if (!tid_geq(journal->j_commit_request, tid)) { in jbd2_log_wait_commit()
704 __func__, journal->j_commit_request, tid); in jbd2_log_wait_commit()
707 while (tid_gt(tid, journal->j_commit_sequence)) { in jbd2_log_wait_commit()
709 tid, journal->j_commit_sequence); in jbd2_log_wait_commit()
710 read_unlock(&journal->j_state_lock); in jbd2_log_wait_commit()
711 wake_up(&journal->j_wait_commit); in jbd2_log_wait_commit()
712 wait_event(journal->j_wait_done_commit, in jbd2_log_wait_commit()
713 !tid_gt(tid, journal->j_commit_sequence)); in jbd2_log_wait_commit()
714 read_lock(&journal->j_state_lock); in jbd2_log_wait_commit()
716 read_unlock(&journal->j_state_lock); in jbd2_log_wait_commit()
718 if (unlikely(is_journal_aborted(journal))) in jbd2_log_wait_commit()
730 int jbd2_fc_begin_commit(journal_t *journal, tid_t tid) in jbd2_fc_begin_commit() argument
732 if (unlikely(is_journal_aborted(journal))) in jbd2_fc_begin_commit()
738 if (!journal->j_stats.ts_tid) in jbd2_fc_begin_commit()
741 write_lock(&journal->j_state_lock); in jbd2_fc_begin_commit()
742 if (tid <= journal->j_commit_sequence) { in jbd2_fc_begin_commit()
743 write_unlock(&journal->j_state_lock); in jbd2_fc_begin_commit()
747 if (journal->j_flags & JBD2_FULL_COMMIT_ONGOING || in jbd2_fc_begin_commit()
748 (journal->j_flags & JBD2_FAST_COMMIT_ONGOING)) { in jbd2_fc_begin_commit()
751 prepare_to_wait(&journal->j_fc_wait, &wait, in jbd2_fc_begin_commit()
753 write_unlock(&journal->j_state_lock); in jbd2_fc_begin_commit()
755 finish_wait(&journal->j_fc_wait, &wait); in jbd2_fc_begin_commit()
758 journal->j_flags |= JBD2_FAST_COMMIT_ONGOING; in jbd2_fc_begin_commit()
759 write_unlock(&journal->j_state_lock); in jbd2_fc_begin_commit()
769 static int __jbd2_fc_end_commit(journal_t *journal, tid_t tid, bool fallback) in __jbd2_fc_end_commit() argument
771 if (journal->j_fc_cleanup_callback) in __jbd2_fc_end_commit()
772 journal->j_fc_cleanup_callback(journal, 0); in __jbd2_fc_end_commit()
773 write_lock(&journal->j_state_lock); in __jbd2_fc_end_commit()
774 journal->j_flags &= ~JBD2_FAST_COMMIT_ONGOING; in __jbd2_fc_end_commit()
776 journal->j_flags |= JBD2_FULL_COMMIT_ONGOING; in __jbd2_fc_end_commit()
777 write_unlock(&journal->j_state_lock); in __jbd2_fc_end_commit()
778 wake_up(&journal->j_fc_wait); in __jbd2_fc_end_commit()
780 return jbd2_complete_transaction(journal, tid); in __jbd2_fc_end_commit()
784 int jbd2_fc_end_commit(journal_t *journal) in jbd2_fc_end_commit() argument
786 return __jbd2_fc_end_commit(journal, 0, false); in jbd2_fc_end_commit()
790 int jbd2_fc_end_commit_fallback(journal_t *journal) in jbd2_fc_end_commit_fallback() argument
794 read_lock(&journal->j_state_lock); in jbd2_fc_end_commit_fallback()
795 tid = journal->j_running_transaction ? in jbd2_fc_end_commit_fallback()
796 journal->j_running_transaction->t_tid : 0; in jbd2_fc_end_commit_fallback()
797 read_unlock(&journal->j_state_lock); in jbd2_fc_end_commit_fallback()
798 return __jbd2_fc_end_commit(journal, tid, true); in jbd2_fc_end_commit_fallback()
803 int jbd2_transaction_committed(journal_t *journal, tid_t tid) in jbd2_transaction_committed() argument
807 read_lock(&journal->j_state_lock); in jbd2_transaction_committed()
808 if (journal->j_running_transaction && in jbd2_transaction_committed()
809 journal->j_running_transaction->t_tid == tid) in jbd2_transaction_committed()
811 if (journal->j_committing_transaction && in jbd2_transaction_committed()
812 journal->j_committing_transaction->t_tid == tid) in jbd2_transaction_committed()
814 read_unlock(&journal->j_state_lock); in jbd2_transaction_committed()
826 int jbd2_complete_transaction(journal_t *journal, tid_t tid) in jbd2_complete_transaction() argument
830 read_lock(&journal->j_state_lock); in jbd2_complete_transaction()
831 if (journal->j_running_transaction && in jbd2_complete_transaction()
832 journal->j_running_transaction->t_tid == tid) { in jbd2_complete_transaction()
833 if (journal->j_commit_request != tid) { in jbd2_complete_transaction()
835 read_unlock(&journal->j_state_lock); in jbd2_complete_transaction()
836 jbd2_log_start_commit(journal, tid); in jbd2_complete_transaction()
839 } else if (!(journal->j_committing_transaction && in jbd2_complete_transaction()
840 journal->j_committing_transaction->t_tid == tid)) in jbd2_complete_transaction()
842 read_unlock(&journal->j_state_lock); in jbd2_complete_transaction()
846 return jbd2_log_wait_commit(journal, tid); in jbd2_complete_transaction()
854 int jbd2_journal_next_log_block(journal_t *journal, unsigned long long *retp) in jbd2_journal_next_log_block() argument
858 write_lock(&journal->j_state_lock); in jbd2_journal_next_log_block()
859 J_ASSERT(journal->j_free > 1); in jbd2_journal_next_log_block()
861 blocknr = journal->j_head; in jbd2_journal_next_log_block()
862 journal->j_head++; in jbd2_journal_next_log_block()
863 journal->j_free--; in jbd2_journal_next_log_block()
864 if (journal->j_head == journal->j_last) in jbd2_journal_next_log_block()
865 journal->j_head = journal->j_first; in jbd2_journal_next_log_block()
866 write_unlock(&journal->j_state_lock); in jbd2_journal_next_log_block()
867 return jbd2_journal_bmap(journal, blocknr, retp); in jbd2_journal_next_log_block()
871 int jbd2_fc_get_buf(journal_t *journal, struct buffer_head **bh_out) in jbd2_fc_get_buf() argument
881 if (journal->j_fc_off + journal->j_fc_first < journal->j_fc_last) { in jbd2_fc_get_buf()
882 fc_off = journal->j_fc_off; in jbd2_fc_get_buf()
883 blocknr = journal->j_fc_first + fc_off; in jbd2_fc_get_buf()
884 journal->j_fc_off++; in jbd2_fc_get_buf()
892 ret = jbd2_journal_bmap(journal, blocknr, &pblock); in jbd2_fc_get_buf()
896 bh = __getblk(journal->j_dev, pblock, journal->j_blocksize); in jbd2_fc_get_buf()
901 journal->j_fc_wbuf[fc_off] = bh; in jbd2_fc_get_buf()
913 int jbd2_fc_wait_bufs(journal_t *journal, int num_blks) in jbd2_fc_wait_bufs() argument
918 j_fc_off = journal->j_fc_off; in jbd2_fc_wait_bufs()
925 bh = journal->j_fc_wbuf[i]; in jbd2_fc_wait_bufs()
932 journal->j_fc_off = i + 1; in jbd2_fc_wait_bufs()
936 journal->j_fc_wbuf[i] = NULL; in jbd2_fc_wait_bufs()
947 int jbd2_fc_release_bufs(journal_t *journal) in jbd2_fc_release_bufs() argument
952 j_fc_off = journal->j_fc_off; in jbd2_fc_release_bufs()
959 bh = journal->j_fc_wbuf[i]; in jbd2_fc_release_bufs()
963 journal->j_fc_wbuf[i] = NULL; in jbd2_fc_release_bufs()
977 int jbd2_journal_bmap(journal_t *journal, unsigned long blocknr, in jbd2_journal_bmap() argument
984 if (journal->j_inode) { in jbd2_journal_bmap()
986 ret = bmap(journal->j_inode, &block); in jbd2_journal_bmap()
991 __func__, blocknr, journal->j_devname); in jbd2_journal_bmap()
993 jbd2_journal_abort(journal, err); in jbd2_journal_bmap()
1017 journal_t *journal = transaction->t_journal; in jbd2_journal_get_descriptor_buffer() local
1023 err = jbd2_journal_next_log_block(journal, &blocknr); in jbd2_journal_get_descriptor_buffer()
1028 bh = __getblk(journal->j_dev, blocknr, journal->j_blocksize); in jbd2_journal_get_descriptor_buffer()
1033 memset(bh->b_data, 0, journal->j_blocksize); in jbd2_journal_get_descriptor_buffer()
1069 int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid, in jbd2_journal_get_log_tail() argument
1075 read_lock(&journal->j_state_lock); in jbd2_journal_get_log_tail()
1076 spin_lock(&journal->j_list_lock); in jbd2_journal_get_log_tail()
1077 transaction = journal->j_checkpoint_transactions; in jbd2_journal_get_log_tail()
1081 } else if ((transaction = journal->j_committing_transaction) != NULL) { in jbd2_journal_get_log_tail()
1084 } else if ((transaction = journal->j_running_transaction) != NULL) { in jbd2_journal_get_log_tail()
1086 *block = journal->j_head; in jbd2_journal_get_log_tail()
1088 *tid = journal->j_transaction_sequence; in jbd2_journal_get_log_tail()
1089 *block = journal->j_head; in jbd2_journal_get_log_tail()
1091 ret = tid_gt(*tid, journal->j_tail_sequence); in jbd2_journal_get_log_tail()
1092 spin_unlock(&journal->j_list_lock); in jbd2_journal_get_log_tail()
1093 read_unlock(&journal->j_state_lock); in jbd2_journal_get_log_tail()
1108 int __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block) in __jbd2_update_log_tail() argument
1113 BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex)); in __jbd2_update_log_tail()
1121 ret = jbd2_journal_update_sb_log_tail(journal, tid, block, in __jbd2_update_log_tail()
1126 write_lock(&journal->j_state_lock); in __jbd2_update_log_tail()
1127 freed = block - journal->j_tail; in __jbd2_update_log_tail()
1128 if (block < journal->j_tail) in __jbd2_update_log_tail()
1129 freed += journal->j_last - journal->j_first; in __jbd2_update_log_tail()
1131 trace_jbd2_update_log_tail(journal, tid, block, freed); in __jbd2_update_log_tail()
1135 journal->j_tail_sequence, tid, block, freed); in __jbd2_update_log_tail()
1137 journal->j_free += freed; in __jbd2_update_log_tail()
1138 journal->j_tail_sequence = tid; in __jbd2_update_log_tail()
1139 journal->j_tail = block; in __jbd2_update_log_tail()
1140 write_unlock(&journal->j_state_lock); in __jbd2_update_log_tail()
1151 void jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block) in jbd2_update_log_tail() argument
1153 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_update_log_tail()
1154 if (tid_gt(tid, journal->j_tail_sequence)) in jbd2_update_log_tail()
1155 __jbd2_update_log_tail(journal, tid, block); in jbd2_update_log_tail()
1156 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_update_log_tail()
1160 journal_t *journal; member
1186 s->journal->j_max_transaction_buffers); in jbd2_seq_info_show()
1204 div_u64(s->journal->j_average_commit_time, 1000)); in jbd2_seq_info_show()
1227 journal_t *journal = PDE_DATA(inode); in jbd2_seq_info_open() local
1240 spin_lock(&journal->j_history_lock); in jbd2_seq_info_open()
1241 memcpy(s->stats, &journal->j_stats, size); in jbd2_seq_info_open()
1242 s->journal = journal; in jbd2_seq_info_open()
1243 spin_unlock(&journal->j_history_lock); in jbd2_seq_info_open()
1275 static void jbd2_stats_proc_init(journal_t *journal) in jbd2_stats_proc_init() argument
1277 journal->j_proc_entry = proc_mkdir(journal->j_devname, proc_jbd2_stats); in jbd2_stats_proc_init()
1278 if (journal->j_proc_entry) { in jbd2_stats_proc_init()
1279 proc_create_data("info", S_IRUGO, journal->j_proc_entry, in jbd2_stats_proc_init()
1280 &jbd2_info_proc_ops, journal); in jbd2_stats_proc_init()
1284 static void jbd2_stats_proc_exit(journal_t *journal) in jbd2_stats_proc_exit() argument
1286 remove_proc_entry("info", journal->j_proc_entry); in jbd2_stats_proc_exit()
1287 remove_proc_entry(journal->j_devname, proc_jbd2_stats); in jbd2_stats_proc_exit()
1314 journal_t *journal; in journal_init_common() local
1319 journal = kzalloc(sizeof(*journal), GFP_KERNEL); in journal_init_common()
1320 if (!journal) in journal_init_common()
1323 init_waitqueue_head(&journal->j_wait_transaction_locked); in journal_init_common()
1324 init_waitqueue_head(&journal->j_wait_done_commit); in journal_init_common()
1325 init_waitqueue_head(&journal->j_wait_commit); in journal_init_common()
1326 init_waitqueue_head(&journal->j_wait_updates); in journal_init_common()
1327 init_waitqueue_head(&journal->j_wait_reserved); in journal_init_common()
1328 init_waitqueue_head(&journal->j_fc_wait); in journal_init_common()
1329 mutex_init(&journal->j_abort_mutex); in journal_init_common()
1330 mutex_init(&journal->j_barrier); in journal_init_common()
1331 mutex_init(&journal->j_checkpoint_mutex); in journal_init_common()
1332 spin_lock_init(&journal->j_revoke_lock); in journal_init_common()
1333 spin_lock_init(&journal->j_list_lock); in journal_init_common()
1334 rwlock_init(&journal->j_state_lock); in journal_init_common()
1336 journal->j_commit_interval = (HZ * JBD2_DEFAULT_MAX_COMMIT_AGE); in journal_init_common()
1337 journal->j_min_batch_time = 0; in journal_init_common()
1338 journal->j_max_batch_time = 15000; /* 15ms */ in journal_init_common()
1339 atomic_set(&journal->j_reserved_credits, 0); in journal_init_common()
1342 journal->j_flags = JBD2_ABORT; in journal_init_common()
1345 err = jbd2_journal_init_revoke(journal, JOURNAL_REVOKE_DEFAULT_HASH); in journal_init_common()
1349 spin_lock_init(&journal->j_history_lock); in journal_init_common()
1351 lockdep_init_map(&journal->j_trans_commit_map, "jbd2_handle", in journal_init_common()
1355 journal->j_blocksize = blocksize; in journal_init_common()
1356 journal->j_dev = bdev; in journal_init_common()
1357 journal->j_fs_dev = fs_dev; in journal_init_common()
1358 journal->j_blk_offset = start; in journal_init_common()
1359 journal->j_total_len = len; in journal_init_common()
1361 n = journal->j_blocksize / jbd2_min_tag_size(); in journal_init_common()
1362 journal->j_wbufsize = n; in journal_init_common()
1363 journal->j_fc_wbuf = NULL; in journal_init_common()
1364 journal->j_wbuf = kmalloc_array(n, sizeof(struct buffer_head *), in journal_init_common()
1366 if (!journal->j_wbuf) in journal_init_common()
1369 bh = getblk_unmovable(journal->j_dev, start, journal->j_blocksize); in journal_init_common()
1375 journal->j_sb_buffer = bh; in journal_init_common()
1376 journal->j_superblock = (journal_superblock_t *)bh->b_data; in journal_init_common()
1378 return journal; in journal_init_common()
1381 kfree(journal->j_wbuf); in journal_init_common()
1382 jbd2_journal_destroy_revoke(journal); in journal_init_common()
1383 kfree(journal); in journal_init_common()
1414 journal_t *journal; in jbd2_journal_init_dev() local
1416 journal = journal_init_common(bdev, fs_dev, start, len, blocksize); in jbd2_journal_init_dev()
1417 if (!journal) in jbd2_journal_init_dev()
1420 bdevname(journal->j_dev, journal->j_devname); in jbd2_journal_init_dev()
1421 strreplace(journal->j_devname, '/', '!'); in jbd2_journal_init_dev()
1422 jbd2_stats_proc_init(journal); in jbd2_journal_init_dev()
1424 return journal; in jbd2_journal_init_dev()
1437 journal_t *journal; in jbd2_journal_init_inode() local
1455 journal = journal_init_common(inode->i_sb->s_bdev, inode->i_sb->s_bdev, in jbd2_journal_init_inode()
1458 if (!journal) in jbd2_journal_init_inode()
1461 journal->j_inode = inode; in jbd2_journal_init_inode()
1462 bdevname(journal->j_dev, journal->j_devname); in jbd2_journal_init_inode()
1463 p = strreplace(journal->j_devname, '/', '!'); in jbd2_journal_init_inode()
1464 sprintf(p, "-%lu", journal->j_inode->i_ino); in jbd2_journal_init_inode()
1465 jbd2_stats_proc_init(journal); in jbd2_journal_init_inode()
1467 return journal; in jbd2_journal_init_inode()
1475 static void journal_fail_superblock(journal_t *journal) in journal_fail_superblock() argument
1477 struct buffer_head *bh = journal->j_sb_buffer; in journal_fail_superblock()
1479 journal->j_sb_buffer = NULL; in journal_fail_superblock()
1489 static int journal_reset(journal_t *journal) in journal_reset() argument
1491 journal_superblock_t *sb = journal->j_superblock; in journal_reset()
1499 journal_fail_superblock(journal); in journal_reset()
1503 journal->j_first = first; in journal_reset()
1504 journal->j_last = last; in journal_reset()
1506 journal->j_head = journal->j_first; in journal_reset()
1507 journal->j_tail = journal->j_first; in journal_reset()
1508 journal->j_free = journal->j_last - journal->j_first; in journal_reset()
1510 journal->j_tail_sequence = journal->j_transaction_sequence; in journal_reset()
1511 journal->j_commit_sequence = journal->j_transaction_sequence - 1; in journal_reset()
1512 journal->j_commit_request = journal->j_commit_sequence; in journal_reset()
1514 journal->j_max_transaction_buffers = jbd2_journal_get_max_txn_bufs(journal); in journal_reset()
1521 jbd2_clear_feature_fast_commit(journal); in journal_reset()
1532 journal->j_tail, journal->j_tail_sequence, in journal_reset()
1533 journal->j_errno); in journal_reset()
1534 journal->j_flags |= JBD2_FLUSHED; in journal_reset()
1537 mutex_lock_io(&journal->j_checkpoint_mutex); in journal_reset()
1544 jbd2_journal_update_sb_log_tail(journal, in journal_reset()
1545 journal->j_tail_sequence, in journal_reset()
1546 journal->j_tail, in journal_reset()
1548 mutex_unlock(&journal->j_checkpoint_mutex); in journal_reset()
1550 return jbd2_journal_start_thread(journal); in journal_reset()
1557 static int jbd2_write_superblock(journal_t *journal, int write_flags) in jbd2_write_superblock() argument
1559 struct buffer_head *bh = journal->j_sb_buffer; in jbd2_write_superblock()
1560 journal_superblock_t *sb = journal->j_superblock; in jbd2_write_superblock()
1569 trace_jbd2_write_superblock(journal, write_flags); in jbd2_write_superblock()
1570 if (!(journal->j_flags & JBD2_BARRIER)) in jbd2_write_superblock()
1583 journal->j_devname); in jbd2_write_superblock()
1587 if (jbd2_journal_has_csum_v2or3(journal)) in jbd2_write_superblock()
1588 sb->s_checksum = jbd2_superblock_csum(journal, sb); in jbd2_write_superblock()
1601 journal->j_devname); in jbd2_write_superblock()
1602 if (!is_journal_aborted(journal)) in jbd2_write_superblock()
1603 jbd2_journal_abort(journal, ret); in jbd2_write_superblock()
1619 int jbd2_journal_update_sb_log_tail(journal_t *journal, tid_t tail_tid, in jbd2_journal_update_sb_log_tail() argument
1622 journal_superblock_t *sb = journal->j_superblock; in jbd2_journal_update_sb_log_tail()
1625 if (is_journal_aborted(journal)) in jbd2_journal_update_sb_log_tail()
1628 BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex)); in jbd2_journal_update_sb_log_tail()
1632 lock_buffer(journal->j_sb_buffer); in jbd2_journal_update_sb_log_tail()
1636 ret = jbd2_write_superblock(journal, write_op); in jbd2_journal_update_sb_log_tail()
1641 write_lock(&journal->j_state_lock); in jbd2_journal_update_sb_log_tail()
1643 journal->j_flags &= ~JBD2_FLUSHED; in jbd2_journal_update_sb_log_tail()
1644 write_unlock(&journal->j_state_lock); in jbd2_journal_update_sb_log_tail()
1658 static void jbd2_mark_journal_empty(journal_t *journal, int write_op) in jbd2_mark_journal_empty() argument
1660 journal_superblock_t *sb = journal->j_superblock; in jbd2_mark_journal_empty()
1663 BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex)); in jbd2_mark_journal_empty()
1664 lock_buffer(journal->j_sb_buffer); in jbd2_mark_journal_empty()
1666 unlock_buffer(journal->j_sb_buffer); in jbd2_mark_journal_empty()
1671 journal->j_tail_sequence); in jbd2_mark_journal_empty()
1673 sb->s_sequence = cpu_to_be32(journal->j_tail_sequence); in jbd2_mark_journal_empty()
1675 if (jbd2_has_feature_fast_commit(journal)) { in jbd2_mark_journal_empty()
1680 jbd2_clear_feature_fast_commit(journal); in jbd2_mark_journal_empty()
1684 jbd2_write_superblock(journal, write_op); in jbd2_mark_journal_empty()
1687 jbd2_set_feature_fast_commit(journal); in jbd2_mark_journal_empty()
1690 write_lock(&journal->j_state_lock); in jbd2_mark_journal_empty()
1691 journal->j_flags |= JBD2_FLUSHED; in jbd2_mark_journal_empty()
1692 write_unlock(&journal->j_state_lock); in jbd2_mark_journal_empty()
1703 void jbd2_journal_update_sb_errno(journal_t *journal) in jbd2_journal_update_sb_errno() argument
1705 journal_superblock_t *sb = journal->j_superblock; in jbd2_journal_update_sb_errno()
1708 lock_buffer(journal->j_sb_buffer); in jbd2_journal_update_sb_errno()
1709 errcode = journal->j_errno; in jbd2_journal_update_sb_errno()
1715 jbd2_write_superblock(journal, REQ_SYNC | REQ_FUA); in jbd2_journal_update_sb_errno()
1719 static int journal_revoke_records_per_block(journal_t *journal) in journal_revoke_records_per_block() argument
1722 int space = journal->j_blocksize - sizeof(jbd2_journal_revoke_header_t); in journal_revoke_records_per_block()
1724 if (jbd2_has_feature_64bit(journal)) in journal_revoke_records_per_block()
1729 if (jbd2_journal_has_csum_v2or3(journal)) in journal_revoke_records_per_block()
1738 static int journal_get_superblock(journal_t *journal) in journal_get_superblock() argument
1744 bh = journal->j_sb_buffer; in journal_get_superblock()
1760 sb = journal->j_superblock; in journal_get_superblock()
1765 sb->s_blocksize != cpu_to_be32(journal->j_blocksize)) { in journal_get_superblock()
1772 journal->j_format_version = 1; in journal_get_superblock()
1775 journal->j_format_version = 2; in journal_get_superblock()
1782 if (be32_to_cpu(sb->s_maxlen) < journal->j_total_len) in journal_get_superblock()
1783 journal->j_total_len = be32_to_cpu(sb->s_maxlen); in journal_get_superblock()
1784 else if (be32_to_cpu(sb->s_maxlen) > journal->j_total_len) { in journal_get_superblock()
1790 be32_to_cpu(sb->s_first) >= journal->j_total_len) { in journal_get_superblock()
1797 if (jbd2_has_feature_csum2(journal) && in journal_get_superblock()
1798 jbd2_has_feature_csum3(journal)) { in journal_get_superblock()
1805 if (jbd2_journal_has_csum_v2or3_feature(journal) && in journal_get_superblock()
1806 jbd2_has_feature_checksum(journal)) { in journal_get_superblock()
1813 if (!jbd2_verify_csum_type(journal, sb)) { in journal_get_superblock()
1819 if (jbd2_journal_has_csum_v2or3_feature(journal)) { in journal_get_superblock()
1820 journal->j_chksum_driver = crypto_alloc_shash("crc32c", 0, 0); in journal_get_superblock()
1821 if (IS_ERR(journal->j_chksum_driver)) { in journal_get_superblock()
1823 err = PTR_ERR(journal->j_chksum_driver); in journal_get_superblock()
1824 journal->j_chksum_driver = NULL; in journal_get_superblock()
1829 if (jbd2_journal_has_csum_v2or3(journal)) { in journal_get_superblock()
1831 if (sb->s_checksum != jbd2_superblock_csum(journal, sb)) { in journal_get_superblock()
1838 journal->j_csum_seed = jbd2_chksum(journal, ~0, sb->s_uuid, in journal_get_superblock()
1842 journal->j_revoke_records_per_block = in journal_get_superblock()
1843 journal_revoke_records_per_block(journal); in journal_get_superblock()
1849 journal_fail_superblock(journal); in journal_get_superblock()
1858 static int load_superblock(journal_t *journal) in load_superblock() argument
1864 err = journal_get_superblock(journal); in load_superblock()
1868 sb = journal->j_superblock; in load_superblock()
1870 journal->j_tail_sequence = be32_to_cpu(sb->s_sequence); in load_superblock()
1871 journal->j_tail = be32_to_cpu(sb->s_start); in load_superblock()
1872 journal->j_first = be32_to_cpu(sb->s_first); in load_superblock()
1873 journal->j_errno = be32_to_cpu(sb->s_errno); in load_superblock()
1874 journal->j_last = be32_to_cpu(sb->s_maxlen); in load_superblock()
1876 if (jbd2_has_feature_fast_commit(journal)) { in load_superblock()
1877 journal->j_fc_last = be32_to_cpu(sb->s_maxlen); in load_superblock()
1881 if (journal->j_last - num_fc_blocks >= JBD2_MIN_JOURNAL_BLOCKS) in load_superblock()
1882 journal->j_last = journal->j_fc_last - num_fc_blocks; in load_superblock()
1883 journal->j_fc_first = journal->j_last + 1; in load_superblock()
1884 journal->j_fc_off = 0; in load_superblock()
1899 int jbd2_journal_load(journal_t *journal) in jbd2_journal_load() argument
1904 err = load_superblock(journal); in jbd2_journal_load()
1908 sb = journal->j_superblock; in jbd2_journal_load()
1912 if (journal->j_format_version >= 2) { in jbd2_journal_load()
1932 if (jbd2_journal_recover(journal)) in jbd2_journal_load()
1935 if (journal->j_failed_commit) { in jbd2_journal_load()
1937 "is corrupt.\n", journal->j_failed_commit, in jbd2_journal_load()
1938 journal->j_devname); in jbd2_journal_load()
1945 journal->j_flags &= ~JBD2_ABORT; in jbd2_journal_load()
1950 if (journal_reset(journal)) in jbd2_journal_load()
1953 journal->j_flags |= JBD2_LOADED; in jbd2_journal_load()
1969 int jbd2_journal_destroy(journal_t *journal) in jbd2_journal_destroy() argument
1974 journal_kill_thread(journal); in jbd2_journal_destroy()
1977 if (journal->j_running_transaction) in jbd2_journal_destroy()
1978 jbd2_journal_commit_transaction(journal); in jbd2_journal_destroy()
1983 spin_lock(&journal->j_list_lock); in jbd2_journal_destroy()
1984 while (journal->j_checkpoint_transactions != NULL) { in jbd2_journal_destroy()
1985 spin_unlock(&journal->j_list_lock); in jbd2_journal_destroy()
1986 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_journal_destroy()
1987 err = jbd2_log_do_checkpoint(journal); in jbd2_journal_destroy()
1988 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_destroy()
1994 jbd2_journal_destroy_checkpoint(journal); in jbd2_journal_destroy()
1995 spin_lock(&journal->j_list_lock); in jbd2_journal_destroy()
1998 spin_lock(&journal->j_list_lock); in jbd2_journal_destroy()
2001 J_ASSERT(journal->j_running_transaction == NULL); in jbd2_journal_destroy()
2002 J_ASSERT(journal->j_committing_transaction == NULL); in jbd2_journal_destroy()
2003 J_ASSERT(journal->j_checkpoint_transactions == NULL); in jbd2_journal_destroy()
2004 spin_unlock(&journal->j_list_lock); in jbd2_journal_destroy()
2006 if (journal->j_sb_buffer) { in jbd2_journal_destroy()
2007 if (!is_journal_aborted(journal)) { in jbd2_journal_destroy()
2008 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_journal_destroy()
2010 write_lock(&journal->j_state_lock); in jbd2_journal_destroy()
2011 journal->j_tail_sequence = in jbd2_journal_destroy()
2012 ++journal->j_transaction_sequence; in jbd2_journal_destroy()
2013 write_unlock(&journal->j_state_lock); in jbd2_journal_destroy()
2015 jbd2_mark_journal_empty(journal, in jbd2_journal_destroy()
2017 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_destroy()
2020 brelse(journal->j_sb_buffer); in jbd2_journal_destroy()
2023 if (journal->j_proc_entry) in jbd2_journal_destroy()
2024 jbd2_stats_proc_exit(journal); in jbd2_journal_destroy()
2025 iput(journal->j_inode); in jbd2_journal_destroy()
2026 if (journal->j_revoke) in jbd2_journal_destroy()
2027 jbd2_journal_destroy_revoke(journal); in jbd2_journal_destroy()
2028 if (journal->j_chksum_driver) in jbd2_journal_destroy()
2029 crypto_free_shash(journal->j_chksum_driver); in jbd2_journal_destroy()
2030 kfree(journal->j_fc_wbuf); in jbd2_journal_destroy()
2031 kfree(journal->j_wbuf); in jbd2_journal_destroy()
2032 kfree(journal); in jbd2_journal_destroy()
2049 int jbd2_journal_check_used_features(journal_t *journal, unsigned long compat, in jbd2_journal_check_used_features() argument
2057 if (journal->j_format_version == 0 && in jbd2_journal_check_used_features()
2058 journal_get_superblock(journal) != 0) in jbd2_journal_check_used_features()
2060 if (journal->j_format_version == 1) in jbd2_journal_check_used_features()
2063 sb = journal->j_superblock; in jbd2_journal_check_used_features()
2084 int jbd2_journal_check_available_features(journal_t *journal, unsigned long compat, in jbd2_journal_check_available_features() argument
2094 if (journal->j_format_version != 2) in jbd2_journal_check_available_features()
2106 jbd2_journal_initialize_fast_commit(journal_t *journal) in jbd2_journal_initialize_fast_commit() argument
2108 journal_superblock_t *sb = journal->j_superblock; in jbd2_journal_initialize_fast_commit()
2114 if (journal->j_last - num_fc_blks < JBD2_MIN_JOURNAL_BLOCKS) in jbd2_journal_initialize_fast_commit()
2118 WARN_ON(journal->j_fc_wbuf != NULL); in jbd2_journal_initialize_fast_commit()
2119 journal->j_fc_wbuf = kmalloc_array(num_fc_blks, in jbd2_journal_initialize_fast_commit()
2121 if (!journal->j_fc_wbuf) in jbd2_journal_initialize_fast_commit()
2124 journal->j_fc_wbufsize = num_fc_blks; in jbd2_journal_initialize_fast_commit()
2125 journal->j_fc_last = journal->j_last; in jbd2_journal_initialize_fast_commit()
2126 journal->j_last = journal->j_fc_last - num_fc_blks; in jbd2_journal_initialize_fast_commit()
2127 journal->j_fc_first = journal->j_last + 1; in jbd2_journal_initialize_fast_commit()
2128 journal->j_fc_off = 0; in jbd2_journal_initialize_fast_commit()
2129 journal->j_free = journal->j_last - journal->j_first; in jbd2_journal_initialize_fast_commit()
2130 journal->j_max_transaction_buffers = in jbd2_journal_initialize_fast_commit()
2131 jbd2_journal_get_max_txn_bufs(journal); in jbd2_journal_initialize_fast_commit()
2148 int jbd2_journal_set_features(journal_t *journal, unsigned long compat, in jbd2_journal_set_features() argument
2157 if (jbd2_journal_check_used_features(journal, compat, ro, incompat)) in jbd2_journal_set_features()
2160 if (!jbd2_journal_check_available_features(journal, compat, ro, incompat)) in jbd2_journal_set_features()
2177 sb = journal->j_superblock; in jbd2_journal_set_features()
2180 if (jbd2_journal_initialize_fast_commit(journal)) { in jbd2_journal_set_features()
2187 if ((journal->j_chksum_driver == NULL) && in jbd2_journal_set_features()
2189 journal->j_chksum_driver = crypto_alloc_shash("crc32c", 0, 0); in jbd2_journal_set_features()
2190 if (IS_ERR(journal->j_chksum_driver)) { in jbd2_journal_set_features()
2192 journal->j_chksum_driver = NULL; in jbd2_journal_set_features()
2196 journal->j_csum_seed = jbd2_chksum(journal, ~0, sb->s_uuid, in jbd2_journal_set_features()
2200 lock_buffer(journal->j_sb_buffer); in jbd2_journal_set_features()
2218 unlock_buffer(journal->j_sb_buffer); in jbd2_journal_set_features()
2219 journal->j_revoke_records_per_block = in jbd2_journal_set_features()
2220 journal_revoke_records_per_block(journal); in jbd2_journal_set_features()
2238 void jbd2_journal_clear_features(journal_t *journal, unsigned long compat, in jbd2_journal_clear_features() argument
2246 sb = journal->j_superblock; in jbd2_journal_clear_features()
2251 journal->j_revoke_records_per_block = in jbd2_journal_clear_features()
2252 journal_revoke_records_per_block(journal); in jbd2_journal_clear_features()
2265 int jbd2_journal_flush(journal_t *journal) in jbd2_journal_flush() argument
2270 write_lock(&journal->j_state_lock); in jbd2_journal_flush()
2273 if (journal->j_running_transaction) { in jbd2_journal_flush()
2274 transaction = journal->j_running_transaction; in jbd2_journal_flush()
2275 __jbd2_log_start_commit(journal, transaction->t_tid); in jbd2_journal_flush()
2276 } else if (journal->j_committing_transaction) in jbd2_journal_flush()
2277 transaction = journal->j_committing_transaction; in jbd2_journal_flush()
2283 write_unlock(&journal->j_state_lock); in jbd2_journal_flush()
2284 jbd2_log_wait_commit(journal, tid); in jbd2_journal_flush()
2286 write_unlock(&journal->j_state_lock); in jbd2_journal_flush()
2290 spin_lock(&journal->j_list_lock); in jbd2_journal_flush()
2291 while (!err && journal->j_checkpoint_transactions != NULL) { in jbd2_journal_flush()
2292 spin_unlock(&journal->j_list_lock); in jbd2_journal_flush()
2293 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_journal_flush()
2294 err = jbd2_log_do_checkpoint(journal); in jbd2_journal_flush()
2295 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_flush()
2296 spin_lock(&journal->j_list_lock); in jbd2_journal_flush()
2298 spin_unlock(&journal->j_list_lock); in jbd2_journal_flush()
2300 if (is_journal_aborted(journal)) in jbd2_journal_flush()
2303 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_journal_flush()
2305 err = jbd2_cleanup_journal_tail(journal); in jbd2_journal_flush()
2307 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_flush()
2318 jbd2_mark_journal_empty(journal, REQ_SYNC | REQ_FUA); in jbd2_journal_flush()
2319 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_flush()
2320 write_lock(&journal->j_state_lock); in jbd2_journal_flush()
2321 J_ASSERT(!journal->j_running_transaction); in jbd2_journal_flush()
2322 J_ASSERT(!journal->j_committing_transaction); in jbd2_journal_flush()
2323 J_ASSERT(!journal->j_checkpoint_transactions); in jbd2_journal_flush()
2324 J_ASSERT(journal->j_head == journal->j_tail); in jbd2_journal_flush()
2325 J_ASSERT(journal->j_tail_sequence == journal->j_transaction_sequence); in jbd2_journal_flush()
2326 write_unlock(&journal->j_state_lock); in jbd2_journal_flush()
2344 int jbd2_journal_wipe(journal_t *journal, int write) in jbd2_journal_wipe() argument
2348 J_ASSERT (!(journal->j_flags & JBD2_LOADED)); in jbd2_journal_wipe()
2350 err = load_superblock(journal); in jbd2_journal_wipe()
2354 if (!journal->j_tail) in jbd2_journal_wipe()
2360 err = jbd2_journal_skip_recovery(journal); in jbd2_journal_wipe()
2363 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_journal_wipe()
2364 jbd2_mark_journal_empty(journal, REQ_SYNC | REQ_FUA); in jbd2_journal_wipe()
2365 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_wipe()
2413 void jbd2_journal_abort(journal_t *journal, int errno) in jbd2_journal_abort() argument
2423 mutex_lock(&journal->j_abort_mutex); in jbd2_journal_abort()
2429 write_lock(&journal->j_state_lock); in jbd2_journal_abort()
2430 if (journal->j_flags & JBD2_ABORT) { in jbd2_journal_abort()
2431 int old_errno = journal->j_errno; in jbd2_journal_abort()
2433 write_unlock(&journal->j_state_lock); in jbd2_journal_abort()
2435 journal->j_errno = errno; in jbd2_journal_abort()
2436 jbd2_journal_update_sb_errno(journal); in jbd2_journal_abort()
2438 mutex_unlock(&journal->j_abort_mutex); in jbd2_journal_abort()
2446 pr_err("Aborting journal on device %s.\n", journal->j_devname); in jbd2_journal_abort()
2448 journal->j_flags |= JBD2_ABORT; in jbd2_journal_abort()
2449 journal->j_errno = errno; in jbd2_journal_abort()
2450 transaction = journal->j_running_transaction; in jbd2_journal_abort()
2452 __jbd2_log_start_commit(journal, transaction->t_tid); in jbd2_journal_abort()
2453 write_unlock(&journal->j_state_lock); in jbd2_journal_abort()
2459 jbd2_journal_update_sb_errno(journal); in jbd2_journal_abort()
2460 mutex_unlock(&journal->j_abort_mutex); in jbd2_journal_abort()
2474 int jbd2_journal_errno(journal_t *journal) in jbd2_journal_errno() argument
2478 read_lock(&journal->j_state_lock); in jbd2_journal_errno()
2479 if (journal->j_flags & JBD2_ABORT) in jbd2_journal_errno()
2482 err = journal->j_errno; in jbd2_journal_errno()
2483 read_unlock(&journal->j_state_lock); in jbd2_journal_errno()
2494 int jbd2_journal_clear_err(journal_t *journal) in jbd2_journal_clear_err() argument
2498 write_lock(&journal->j_state_lock); in jbd2_journal_clear_err()
2499 if (journal->j_flags & JBD2_ABORT) in jbd2_journal_clear_err()
2502 journal->j_errno = 0; in jbd2_journal_clear_err()
2503 write_unlock(&journal->j_state_lock); in jbd2_journal_clear_err()
2514 void jbd2_journal_ack_err(journal_t *journal) in jbd2_journal_ack_err() argument
2516 write_lock(&journal->j_state_lock); in jbd2_journal_ack_err()
2517 if (journal->j_errno) in jbd2_journal_ack_err()
2518 journal->j_flags |= JBD2_ACK_ERR; in jbd2_journal_ack_err()
2519 write_unlock(&journal->j_state_lock); in jbd2_journal_ack_err()
2530 size_t journal_tag_bytes(journal_t *journal) in journal_tag_bytes() argument
2534 if (jbd2_has_feature_csum3(journal)) in journal_tag_bytes()
2539 if (jbd2_has_feature_csum2(journal)) in journal_tag_bytes()
2542 if (jbd2_has_feature_64bit(journal)) in journal_tag_bytes()
2878 void jbd2_journal_release_jbd_inode(journal_t *journal, in jbd2_journal_release_jbd_inode() argument
2881 if (!journal) in jbd2_journal_release_jbd_inode()
2884 spin_lock(&journal->j_list_lock); in jbd2_journal_release_jbd_inode()
2891 spin_unlock(&journal->j_list_lock); in jbd2_journal_release_jbd_inode()
2901 spin_unlock(&journal->j_list_lock); in jbd2_journal_release_jbd_inode()