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()
928 journal->j_fc_wbuf[i] = NULL; in jbd2_fc_wait_bufs()
941 int jbd2_fc_release_bufs(journal_t *journal) in jbd2_fc_release_bufs() argument
946 j_fc_off = journal->j_fc_off; in jbd2_fc_release_bufs()
953 bh = journal->j_fc_wbuf[i]; in jbd2_fc_release_bufs()
957 journal->j_fc_wbuf[i] = NULL; in jbd2_fc_release_bufs()
971 int jbd2_journal_bmap(journal_t *journal, unsigned long blocknr, in jbd2_journal_bmap() argument
978 if (journal->j_inode) { in jbd2_journal_bmap()
980 ret = bmap(journal->j_inode, &block); in jbd2_journal_bmap()
985 __func__, blocknr, journal->j_devname); in jbd2_journal_bmap()
987 jbd2_journal_abort(journal, err); in jbd2_journal_bmap()
1011 journal_t *journal = transaction->t_journal; in jbd2_journal_get_descriptor_buffer() local
1017 err = jbd2_journal_next_log_block(journal, &blocknr); in jbd2_journal_get_descriptor_buffer()
1022 bh = __getblk(journal->j_dev, blocknr, journal->j_blocksize); in jbd2_journal_get_descriptor_buffer()
1027 memset(bh->b_data, 0, journal->j_blocksize); in jbd2_journal_get_descriptor_buffer()
1063 int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid, in jbd2_journal_get_log_tail() argument
1069 read_lock(&journal->j_state_lock); in jbd2_journal_get_log_tail()
1070 spin_lock(&journal->j_list_lock); in jbd2_journal_get_log_tail()
1071 transaction = journal->j_checkpoint_transactions; in jbd2_journal_get_log_tail()
1075 } else if ((transaction = journal->j_committing_transaction) != NULL) { in jbd2_journal_get_log_tail()
1078 } else if ((transaction = journal->j_running_transaction) != NULL) { in jbd2_journal_get_log_tail()
1080 *block = journal->j_head; in jbd2_journal_get_log_tail()
1082 *tid = journal->j_transaction_sequence; in jbd2_journal_get_log_tail()
1083 *block = journal->j_head; in jbd2_journal_get_log_tail()
1085 ret = tid_gt(*tid, journal->j_tail_sequence); in jbd2_journal_get_log_tail()
1086 spin_unlock(&journal->j_list_lock); in jbd2_journal_get_log_tail()
1087 read_unlock(&journal->j_state_lock); in jbd2_journal_get_log_tail()
1102 int __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block) in __jbd2_update_log_tail() argument
1107 BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex)); in __jbd2_update_log_tail()
1115 ret = jbd2_journal_update_sb_log_tail(journal, tid, block, in __jbd2_update_log_tail()
1120 write_lock(&journal->j_state_lock); in __jbd2_update_log_tail()
1121 freed = block - journal->j_tail; in __jbd2_update_log_tail()
1122 if (block < journal->j_tail) in __jbd2_update_log_tail()
1123 freed += journal->j_last - journal->j_first; in __jbd2_update_log_tail()
1125 trace_jbd2_update_log_tail(journal, tid, block, freed); in __jbd2_update_log_tail()
1129 journal->j_tail_sequence, tid, block, freed); in __jbd2_update_log_tail()
1131 journal->j_free += freed; in __jbd2_update_log_tail()
1132 journal->j_tail_sequence = tid; in __jbd2_update_log_tail()
1133 journal->j_tail = block; in __jbd2_update_log_tail()
1134 write_unlock(&journal->j_state_lock); in __jbd2_update_log_tail()
1145 void jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block) in jbd2_update_log_tail() argument
1147 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_update_log_tail()
1148 if (tid_gt(tid, journal->j_tail_sequence)) in jbd2_update_log_tail()
1149 __jbd2_update_log_tail(journal, tid, block); in jbd2_update_log_tail()
1150 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_update_log_tail()
1154 journal_t *journal; member
1180 s->journal->j_max_transaction_buffers); in jbd2_seq_info_show()
1198 div_u64(s->journal->j_average_commit_time, 1000)); in jbd2_seq_info_show()
1221 journal_t *journal = PDE_DATA(inode); in jbd2_seq_info_open() local
1234 spin_lock(&journal->j_history_lock); in jbd2_seq_info_open()
1235 memcpy(s->stats, &journal->j_stats, size); in jbd2_seq_info_open()
1236 s->journal = journal; in jbd2_seq_info_open()
1237 spin_unlock(&journal->j_history_lock); in jbd2_seq_info_open()
1269 static void jbd2_stats_proc_init(journal_t *journal) in jbd2_stats_proc_init() argument
1271 journal->j_proc_entry = proc_mkdir(journal->j_devname, proc_jbd2_stats); in jbd2_stats_proc_init()
1272 if (journal->j_proc_entry) { in jbd2_stats_proc_init()
1273 proc_create_data("info", S_IRUGO, journal->j_proc_entry, in jbd2_stats_proc_init()
1274 &jbd2_info_proc_ops, journal); in jbd2_stats_proc_init()
1278 static void jbd2_stats_proc_exit(journal_t *journal) in jbd2_stats_proc_exit() argument
1280 remove_proc_entry("info", journal->j_proc_entry); in jbd2_stats_proc_exit()
1281 remove_proc_entry(journal->j_devname, proc_jbd2_stats); in jbd2_stats_proc_exit()
1308 journal_t *journal; in journal_init_common() local
1313 journal = kzalloc(sizeof(*journal), GFP_KERNEL); in journal_init_common()
1314 if (!journal) in journal_init_common()
1317 init_waitqueue_head(&journal->j_wait_transaction_locked); in journal_init_common()
1318 init_waitqueue_head(&journal->j_wait_done_commit); in journal_init_common()
1319 init_waitqueue_head(&journal->j_wait_commit); in journal_init_common()
1320 init_waitqueue_head(&journal->j_wait_updates); in journal_init_common()
1321 init_waitqueue_head(&journal->j_wait_reserved); in journal_init_common()
1322 init_waitqueue_head(&journal->j_fc_wait); in journal_init_common()
1323 mutex_init(&journal->j_abort_mutex); in journal_init_common()
1324 mutex_init(&journal->j_barrier); in journal_init_common()
1325 mutex_init(&journal->j_checkpoint_mutex); in journal_init_common()
1326 spin_lock_init(&journal->j_revoke_lock); in journal_init_common()
1327 spin_lock_init(&journal->j_list_lock); in journal_init_common()
1328 rwlock_init(&journal->j_state_lock); in journal_init_common()
1330 journal->j_commit_interval = (HZ * JBD2_DEFAULT_MAX_COMMIT_AGE); in journal_init_common()
1331 journal->j_min_batch_time = 0; in journal_init_common()
1332 journal->j_max_batch_time = 15000; /* 15ms */ in journal_init_common()
1333 atomic_set(&journal->j_reserved_credits, 0); in journal_init_common()
1336 journal->j_flags = JBD2_ABORT; in journal_init_common()
1339 err = jbd2_journal_init_revoke(journal, JOURNAL_REVOKE_DEFAULT_HASH); in journal_init_common()
1343 spin_lock_init(&journal->j_history_lock); in journal_init_common()
1345 lockdep_init_map(&journal->j_trans_commit_map, "jbd2_handle", in journal_init_common()
1349 journal->j_blocksize = blocksize; in journal_init_common()
1350 journal->j_dev = bdev; in journal_init_common()
1351 journal->j_fs_dev = fs_dev; in journal_init_common()
1352 journal->j_blk_offset = start; in journal_init_common()
1353 journal->j_total_len = len; in journal_init_common()
1355 n = journal->j_blocksize / jbd2_min_tag_size(); in journal_init_common()
1356 journal->j_wbufsize = n; in journal_init_common()
1357 journal->j_fc_wbuf = NULL; in journal_init_common()
1358 journal->j_wbuf = kmalloc_array(n, sizeof(struct buffer_head *), in journal_init_common()
1360 if (!journal->j_wbuf) in journal_init_common()
1363 bh = getblk_unmovable(journal->j_dev, start, journal->j_blocksize); in journal_init_common()
1369 journal->j_sb_buffer = bh; in journal_init_common()
1370 journal->j_superblock = (journal_superblock_t *)bh->b_data; in journal_init_common()
1372 return journal; in journal_init_common()
1375 kfree(journal->j_wbuf); in journal_init_common()
1376 jbd2_journal_destroy_revoke(journal); in journal_init_common()
1377 kfree(journal); in journal_init_common()
1408 journal_t *journal; in jbd2_journal_init_dev() local
1410 journal = journal_init_common(bdev, fs_dev, start, len, blocksize); in jbd2_journal_init_dev()
1411 if (!journal) in jbd2_journal_init_dev()
1414 bdevname(journal->j_dev, journal->j_devname); in jbd2_journal_init_dev()
1415 strreplace(journal->j_devname, '/', '!'); in jbd2_journal_init_dev()
1416 jbd2_stats_proc_init(journal); in jbd2_journal_init_dev()
1418 return journal; in jbd2_journal_init_dev()
1431 journal_t *journal; in jbd2_journal_init_inode() local
1449 journal = journal_init_common(inode->i_sb->s_bdev, inode->i_sb->s_bdev, in jbd2_journal_init_inode()
1452 if (!journal) in jbd2_journal_init_inode()
1455 journal->j_inode = inode; in jbd2_journal_init_inode()
1456 bdevname(journal->j_dev, journal->j_devname); in jbd2_journal_init_inode()
1457 p = strreplace(journal->j_devname, '/', '!'); in jbd2_journal_init_inode()
1458 sprintf(p, "-%lu", journal->j_inode->i_ino); in jbd2_journal_init_inode()
1459 jbd2_stats_proc_init(journal); in jbd2_journal_init_inode()
1461 return journal; in jbd2_journal_init_inode()
1469 static void journal_fail_superblock(journal_t *journal) in journal_fail_superblock() argument
1471 struct buffer_head *bh = journal->j_sb_buffer; in journal_fail_superblock()
1473 journal->j_sb_buffer = NULL; in journal_fail_superblock()
1483 static int journal_reset(journal_t *journal) in journal_reset() argument
1485 journal_superblock_t *sb = journal->j_superblock; in journal_reset()
1493 journal_fail_superblock(journal); in journal_reset()
1497 journal->j_first = first; in journal_reset()
1498 journal->j_last = last; in journal_reset()
1500 journal->j_head = journal->j_first; in journal_reset()
1501 journal->j_tail = journal->j_first; in journal_reset()
1502 journal->j_free = journal->j_last - journal->j_first; in journal_reset()
1504 journal->j_tail_sequence = journal->j_transaction_sequence; in journal_reset()
1505 journal->j_commit_sequence = journal->j_transaction_sequence - 1; in journal_reset()
1506 journal->j_commit_request = journal->j_commit_sequence; in journal_reset()
1508 journal->j_max_transaction_buffers = jbd2_journal_get_max_txn_bufs(journal); in journal_reset()
1515 jbd2_clear_feature_fast_commit(journal); in journal_reset()
1526 journal->j_tail, journal->j_tail_sequence, in journal_reset()
1527 journal->j_errno); in journal_reset()
1528 journal->j_flags |= JBD2_FLUSHED; in journal_reset()
1531 mutex_lock_io(&journal->j_checkpoint_mutex); in journal_reset()
1538 jbd2_journal_update_sb_log_tail(journal, in journal_reset()
1539 journal->j_tail_sequence, in journal_reset()
1540 journal->j_tail, in journal_reset()
1542 mutex_unlock(&journal->j_checkpoint_mutex); in journal_reset()
1544 return jbd2_journal_start_thread(journal); in journal_reset()
1551 static int jbd2_write_superblock(journal_t *journal, int write_flags) in jbd2_write_superblock() argument
1553 struct buffer_head *bh = journal->j_sb_buffer; in jbd2_write_superblock()
1554 journal_superblock_t *sb = journal->j_superblock; in jbd2_write_superblock()
1563 trace_jbd2_write_superblock(journal, write_flags); in jbd2_write_superblock()
1564 if (!(journal->j_flags & JBD2_BARRIER)) in jbd2_write_superblock()
1577 journal->j_devname); in jbd2_write_superblock()
1581 if (jbd2_journal_has_csum_v2or3(journal)) in jbd2_write_superblock()
1582 sb->s_checksum = jbd2_superblock_csum(journal, sb); in jbd2_write_superblock()
1595 journal->j_devname); in jbd2_write_superblock()
1596 if (!is_journal_aborted(journal)) in jbd2_write_superblock()
1597 jbd2_journal_abort(journal, ret); in jbd2_write_superblock()
1613 int jbd2_journal_update_sb_log_tail(journal_t *journal, tid_t tail_tid, in jbd2_journal_update_sb_log_tail() argument
1616 journal_superblock_t *sb = journal->j_superblock; in jbd2_journal_update_sb_log_tail()
1619 if (is_journal_aborted(journal)) in jbd2_journal_update_sb_log_tail()
1622 BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex)); in jbd2_journal_update_sb_log_tail()
1626 lock_buffer(journal->j_sb_buffer); in jbd2_journal_update_sb_log_tail()
1630 ret = jbd2_write_superblock(journal, write_op); in jbd2_journal_update_sb_log_tail()
1635 write_lock(&journal->j_state_lock); in jbd2_journal_update_sb_log_tail()
1637 journal->j_flags &= ~JBD2_FLUSHED; in jbd2_journal_update_sb_log_tail()
1638 write_unlock(&journal->j_state_lock); in jbd2_journal_update_sb_log_tail()
1652 static void jbd2_mark_journal_empty(journal_t *journal, int write_op) in jbd2_mark_journal_empty() argument
1654 journal_superblock_t *sb = journal->j_superblock; in jbd2_mark_journal_empty()
1657 BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex)); in jbd2_mark_journal_empty()
1658 lock_buffer(journal->j_sb_buffer); in jbd2_mark_journal_empty()
1660 unlock_buffer(journal->j_sb_buffer); in jbd2_mark_journal_empty()
1665 journal->j_tail_sequence); in jbd2_mark_journal_empty()
1667 sb->s_sequence = cpu_to_be32(journal->j_tail_sequence); in jbd2_mark_journal_empty()
1669 if (jbd2_has_feature_fast_commit(journal)) { in jbd2_mark_journal_empty()
1674 jbd2_clear_feature_fast_commit(journal); in jbd2_mark_journal_empty()
1678 jbd2_write_superblock(journal, write_op); in jbd2_mark_journal_empty()
1681 jbd2_set_feature_fast_commit(journal); in jbd2_mark_journal_empty()
1684 write_lock(&journal->j_state_lock); in jbd2_mark_journal_empty()
1685 journal->j_flags |= JBD2_FLUSHED; in jbd2_mark_journal_empty()
1686 write_unlock(&journal->j_state_lock); in jbd2_mark_journal_empty()
1697 void jbd2_journal_update_sb_errno(journal_t *journal) in jbd2_journal_update_sb_errno() argument
1699 journal_superblock_t *sb = journal->j_superblock; in jbd2_journal_update_sb_errno()
1702 lock_buffer(journal->j_sb_buffer); in jbd2_journal_update_sb_errno()
1703 errcode = journal->j_errno; in jbd2_journal_update_sb_errno()
1709 jbd2_write_superblock(journal, REQ_SYNC | REQ_FUA); in jbd2_journal_update_sb_errno()
1713 static int journal_revoke_records_per_block(journal_t *journal) in journal_revoke_records_per_block() argument
1716 int space = journal->j_blocksize - sizeof(jbd2_journal_revoke_header_t); in journal_revoke_records_per_block()
1718 if (jbd2_has_feature_64bit(journal)) in journal_revoke_records_per_block()
1723 if (jbd2_journal_has_csum_v2or3(journal)) in journal_revoke_records_per_block()
1732 static int journal_get_superblock(journal_t *journal) in journal_get_superblock() argument
1738 bh = journal->j_sb_buffer; in journal_get_superblock()
1754 sb = journal->j_superblock; in journal_get_superblock()
1759 sb->s_blocksize != cpu_to_be32(journal->j_blocksize)) { in journal_get_superblock()
1766 journal->j_format_version = 1; in journal_get_superblock()
1769 journal->j_format_version = 2; in journal_get_superblock()
1776 if (be32_to_cpu(sb->s_maxlen) < journal->j_total_len) in journal_get_superblock()
1777 journal->j_total_len = be32_to_cpu(sb->s_maxlen); in journal_get_superblock()
1778 else if (be32_to_cpu(sb->s_maxlen) > journal->j_total_len) { in journal_get_superblock()
1784 be32_to_cpu(sb->s_first) >= journal->j_total_len) { in journal_get_superblock()
1791 if (jbd2_has_feature_csum2(journal) && in journal_get_superblock()
1792 jbd2_has_feature_csum3(journal)) { in journal_get_superblock()
1799 if (jbd2_journal_has_csum_v2or3_feature(journal) && in journal_get_superblock()
1800 jbd2_has_feature_checksum(journal)) { in journal_get_superblock()
1807 if (!jbd2_verify_csum_type(journal, sb)) { in journal_get_superblock()
1813 if (jbd2_journal_has_csum_v2or3_feature(journal)) { in journal_get_superblock()
1814 journal->j_chksum_driver = crypto_alloc_shash("crc32c", 0, 0); in journal_get_superblock()
1815 if (IS_ERR(journal->j_chksum_driver)) { in journal_get_superblock()
1817 err = PTR_ERR(journal->j_chksum_driver); in journal_get_superblock()
1818 journal->j_chksum_driver = NULL; in journal_get_superblock()
1823 if (jbd2_journal_has_csum_v2or3(journal)) { in journal_get_superblock()
1825 if (sb->s_checksum != jbd2_superblock_csum(journal, sb)) { in journal_get_superblock()
1832 journal->j_csum_seed = jbd2_chksum(journal, ~0, sb->s_uuid, in journal_get_superblock()
1836 journal->j_revoke_records_per_block = in journal_get_superblock()
1837 journal_revoke_records_per_block(journal); in journal_get_superblock()
1843 journal_fail_superblock(journal); in journal_get_superblock()
1852 static int load_superblock(journal_t *journal) in load_superblock() argument
1858 err = journal_get_superblock(journal); in load_superblock()
1862 sb = journal->j_superblock; in load_superblock()
1864 journal->j_tail_sequence = be32_to_cpu(sb->s_sequence); in load_superblock()
1865 journal->j_tail = be32_to_cpu(sb->s_start); in load_superblock()
1866 journal->j_first = be32_to_cpu(sb->s_first); in load_superblock()
1867 journal->j_errno = be32_to_cpu(sb->s_errno); in load_superblock()
1868 journal->j_last = be32_to_cpu(sb->s_maxlen); in load_superblock()
1870 if (jbd2_has_feature_fast_commit(journal)) { in load_superblock()
1871 journal->j_fc_last = be32_to_cpu(sb->s_maxlen); in load_superblock()
1875 if (journal->j_last - num_fc_blocks >= JBD2_MIN_JOURNAL_BLOCKS) in load_superblock()
1876 journal->j_last = journal->j_fc_last - num_fc_blocks; in load_superblock()
1877 journal->j_fc_first = journal->j_last + 1; in load_superblock()
1878 journal->j_fc_off = 0; in load_superblock()
1893 int jbd2_journal_load(journal_t *journal) in jbd2_journal_load() argument
1898 err = load_superblock(journal); in jbd2_journal_load()
1902 sb = journal->j_superblock; in jbd2_journal_load()
1906 if (journal->j_format_version >= 2) { in jbd2_journal_load()
1926 if (jbd2_journal_recover(journal)) in jbd2_journal_load()
1929 if (journal->j_failed_commit) { in jbd2_journal_load()
1931 "is corrupt.\n", journal->j_failed_commit, in jbd2_journal_load()
1932 journal->j_devname); in jbd2_journal_load()
1939 journal->j_flags &= ~JBD2_ABORT; in jbd2_journal_load()
1944 if (journal_reset(journal)) in jbd2_journal_load()
1947 journal->j_flags |= JBD2_LOADED; in jbd2_journal_load()
1963 int jbd2_journal_destroy(journal_t *journal) in jbd2_journal_destroy() argument
1968 journal_kill_thread(journal); in jbd2_journal_destroy()
1971 if (journal->j_running_transaction) in jbd2_journal_destroy()
1972 jbd2_journal_commit_transaction(journal); in jbd2_journal_destroy()
1977 spin_lock(&journal->j_list_lock); in jbd2_journal_destroy()
1978 while (journal->j_checkpoint_transactions != NULL) { in jbd2_journal_destroy()
1979 spin_unlock(&journal->j_list_lock); in jbd2_journal_destroy()
1980 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_journal_destroy()
1981 err = jbd2_log_do_checkpoint(journal); in jbd2_journal_destroy()
1982 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_destroy()
1988 jbd2_journal_destroy_checkpoint(journal); in jbd2_journal_destroy()
1989 spin_lock(&journal->j_list_lock); in jbd2_journal_destroy()
1992 spin_lock(&journal->j_list_lock); in jbd2_journal_destroy()
1995 J_ASSERT(journal->j_running_transaction == NULL); in jbd2_journal_destroy()
1996 J_ASSERT(journal->j_committing_transaction == NULL); in jbd2_journal_destroy()
1997 J_ASSERT(journal->j_checkpoint_transactions == NULL); in jbd2_journal_destroy()
1998 spin_unlock(&journal->j_list_lock); in jbd2_journal_destroy()
2000 if (journal->j_sb_buffer) { in jbd2_journal_destroy()
2001 if (!is_journal_aborted(journal)) { in jbd2_journal_destroy()
2002 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_journal_destroy()
2004 write_lock(&journal->j_state_lock); in jbd2_journal_destroy()
2005 journal->j_tail_sequence = in jbd2_journal_destroy()
2006 ++journal->j_transaction_sequence; in jbd2_journal_destroy()
2007 write_unlock(&journal->j_state_lock); in jbd2_journal_destroy()
2009 jbd2_mark_journal_empty(journal, in jbd2_journal_destroy()
2011 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_destroy()
2014 brelse(journal->j_sb_buffer); in jbd2_journal_destroy()
2017 if (journal->j_proc_entry) in jbd2_journal_destroy()
2018 jbd2_stats_proc_exit(journal); in jbd2_journal_destroy()
2019 iput(journal->j_inode); in jbd2_journal_destroy()
2020 if (journal->j_revoke) in jbd2_journal_destroy()
2021 jbd2_journal_destroy_revoke(journal); in jbd2_journal_destroy()
2022 if (journal->j_chksum_driver) in jbd2_journal_destroy()
2023 crypto_free_shash(journal->j_chksum_driver); in jbd2_journal_destroy()
2024 kfree(journal->j_fc_wbuf); in jbd2_journal_destroy()
2025 kfree(journal->j_wbuf); in jbd2_journal_destroy()
2026 kfree(journal); in jbd2_journal_destroy()
2043 int jbd2_journal_check_used_features(journal_t *journal, unsigned long compat, in jbd2_journal_check_used_features() argument
2051 if (journal->j_format_version == 0 && in jbd2_journal_check_used_features()
2052 journal_get_superblock(journal) != 0) in jbd2_journal_check_used_features()
2054 if (journal->j_format_version == 1) in jbd2_journal_check_used_features()
2057 sb = journal->j_superblock; in jbd2_journal_check_used_features()
2078 int jbd2_journal_check_available_features(journal_t *journal, unsigned long compat, in jbd2_journal_check_available_features() argument
2088 if (journal->j_format_version != 2) in jbd2_journal_check_available_features()
2100 jbd2_journal_initialize_fast_commit(journal_t *journal) in jbd2_journal_initialize_fast_commit() argument
2102 journal_superblock_t *sb = journal->j_superblock; in jbd2_journal_initialize_fast_commit()
2108 if (journal->j_last - num_fc_blks < JBD2_MIN_JOURNAL_BLOCKS) in jbd2_journal_initialize_fast_commit()
2112 WARN_ON(journal->j_fc_wbuf != NULL); in jbd2_journal_initialize_fast_commit()
2113 journal->j_fc_wbuf = kmalloc_array(num_fc_blks, in jbd2_journal_initialize_fast_commit()
2115 if (!journal->j_fc_wbuf) in jbd2_journal_initialize_fast_commit()
2118 journal->j_fc_wbufsize = num_fc_blks; in jbd2_journal_initialize_fast_commit()
2119 journal->j_fc_last = journal->j_last; in jbd2_journal_initialize_fast_commit()
2120 journal->j_last = journal->j_fc_last - num_fc_blks; in jbd2_journal_initialize_fast_commit()
2121 journal->j_fc_first = journal->j_last + 1; in jbd2_journal_initialize_fast_commit()
2122 journal->j_fc_off = 0; in jbd2_journal_initialize_fast_commit()
2123 journal->j_free = journal->j_last - journal->j_first; in jbd2_journal_initialize_fast_commit()
2124 journal->j_max_transaction_buffers = in jbd2_journal_initialize_fast_commit()
2125 jbd2_journal_get_max_txn_bufs(journal); in jbd2_journal_initialize_fast_commit()
2142 int jbd2_journal_set_features(journal_t *journal, unsigned long compat, in jbd2_journal_set_features() argument
2151 if (jbd2_journal_check_used_features(journal, compat, ro, incompat)) in jbd2_journal_set_features()
2154 if (!jbd2_journal_check_available_features(journal, compat, ro, incompat)) in jbd2_journal_set_features()
2171 sb = journal->j_superblock; in jbd2_journal_set_features()
2174 if (jbd2_journal_initialize_fast_commit(journal)) { in jbd2_journal_set_features()
2181 if ((journal->j_chksum_driver == NULL) && in jbd2_journal_set_features()
2183 journal->j_chksum_driver = crypto_alloc_shash("crc32c", 0, 0); in jbd2_journal_set_features()
2184 if (IS_ERR(journal->j_chksum_driver)) { in jbd2_journal_set_features()
2186 journal->j_chksum_driver = NULL; in jbd2_journal_set_features()
2190 journal->j_csum_seed = jbd2_chksum(journal, ~0, sb->s_uuid, in jbd2_journal_set_features()
2194 lock_buffer(journal->j_sb_buffer); in jbd2_journal_set_features()
2212 unlock_buffer(journal->j_sb_buffer); in jbd2_journal_set_features()
2213 journal->j_revoke_records_per_block = in jbd2_journal_set_features()
2214 journal_revoke_records_per_block(journal); in jbd2_journal_set_features()
2232 void jbd2_journal_clear_features(journal_t *journal, unsigned long compat, in jbd2_journal_clear_features() argument
2240 sb = journal->j_superblock; in jbd2_journal_clear_features()
2245 journal->j_revoke_records_per_block = in jbd2_journal_clear_features()
2246 journal_revoke_records_per_block(journal); in jbd2_journal_clear_features()
2259 int jbd2_journal_flush(journal_t *journal) in jbd2_journal_flush() argument
2264 write_lock(&journal->j_state_lock); in jbd2_journal_flush()
2267 if (journal->j_running_transaction) { in jbd2_journal_flush()
2268 transaction = journal->j_running_transaction; in jbd2_journal_flush()
2269 __jbd2_log_start_commit(journal, transaction->t_tid); in jbd2_journal_flush()
2270 } else if (journal->j_committing_transaction) in jbd2_journal_flush()
2271 transaction = journal->j_committing_transaction; in jbd2_journal_flush()
2277 write_unlock(&journal->j_state_lock); in jbd2_journal_flush()
2278 jbd2_log_wait_commit(journal, tid); in jbd2_journal_flush()
2280 write_unlock(&journal->j_state_lock); in jbd2_journal_flush()
2284 spin_lock(&journal->j_list_lock); in jbd2_journal_flush()
2285 while (!err && journal->j_checkpoint_transactions != NULL) { in jbd2_journal_flush()
2286 spin_unlock(&journal->j_list_lock); in jbd2_journal_flush()
2287 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_journal_flush()
2288 err = jbd2_log_do_checkpoint(journal); in jbd2_journal_flush()
2289 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_flush()
2290 spin_lock(&journal->j_list_lock); in jbd2_journal_flush()
2292 spin_unlock(&journal->j_list_lock); in jbd2_journal_flush()
2294 if (is_journal_aborted(journal)) in jbd2_journal_flush()
2297 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_journal_flush()
2299 err = jbd2_cleanup_journal_tail(journal); in jbd2_journal_flush()
2301 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_flush()
2312 jbd2_mark_journal_empty(journal, REQ_SYNC | REQ_FUA); in jbd2_journal_flush()
2313 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_flush()
2314 write_lock(&journal->j_state_lock); in jbd2_journal_flush()
2315 J_ASSERT(!journal->j_running_transaction); in jbd2_journal_flush()
2316 J_ASSERT(!journal->j_committing_transaction); in jbd2_journal_flush()
2317 J_ASSERT(!journal->j_checkpoint_transactions); in jbd2_journal_flush()
2318 J_ASSERT(journal->j_head == journal->j_tail); in jbd2_journal_flush()
2319 J_ASSERT(journal->j_tail_sequence == journal->j_transaction_sequence); in jbd2_journal_flush()
2320 write_unlock(&journal->j_state_lock); in jbd2_journal_flush()
2338 int jbd2_journal_wipe(journal_t *journal, int write) in jbd2_journal_wipe() argument
2342 J_ASSERT (!(journal->j_flags & JBD2_LOADED)); in jbd2_journal_wipe()
2344 err = load_superblock(journal); in jbd2_journal_wipe()
2348 if (!journal->j_tail) in jbd2_journal_wipe()
2354 err = jbd2_journal_skip_recovery(journal); in jbd2_journal_wipe()
2357 mutex_lock_io(&journal->j_checkpoint_mutex); in jbd2_journal_wipe()
2358 jbd2_mark_journal_empty(journal, REQ_SYNC | REQ_FUA); in jbd2_journal_wipe()
2359 mutex_unlock(&journal->j_checkpoint_mutex); in jbd2_journal_wipe()
2407 void jbd2_journal_abort(journal_t *journal, int errno) in jbd2_journal_abort() argument
2417 mutex_lock(&journal->j_abort_mutex); in jbd2_journal_abort()
2423 write_lock(&journal->j_state_lock); in jbd2_journal_abort()
2424 if (journal->j_flags & JBD2_ABORT) { in jbd2_journal_abort()
2425 int old_errno = journal->j_errno; in jbd2_journal_abort()
2427 write_unlock(&journal->j_state_lock); in jbd2_journal_abort()
2429 journal->j_errno = errno; in jbd2_journal_abort()
2430 jbd2_journal_update_sb_errno(journal); in jbd2_journal_abort()
2432 mutex_unlock(&journal->j_abort_mutex); in jbd2_journal_abort()
2440 pr_err("Aborting journal on device %s.\n", journal->j_devname); in jbd2_journal_abort()
2442 journal->j_flags |= JBD2_ABORT; in jbd2_journal_abort()
2443 journal->j_errno = errno; in jbd2_journal_abort()
2444 transaction = journal->j_running_transaction; in jbd2_journal_abort()
2446 __jbd2_log_start_commit(journal, transaction->t_tid); in jbd2_journal_abort()
2447 write_unlock(&journal->j_state_lock); in jbd2_journal_abort()
2453 jbd2_journal_update_sb_errno(journal); in jbd2_journal_abort()
2454 mutex_unlock(&journal->j_abort_mutex); in jbd2_journal_abort()
2468 int jbd2_journal_errno(journal_t *journal) in jbd2_journal_errno() argument
2472 read_lock(&journal->j_state_lock); in jbd2_journal_errno()
2473 if (journal->j_flags & JBD2_ABORT) in jbd2_journal_errno()
2476 err = journal->j_errno; in jbd2_journal_errno()
2477 read_unlock(&journal->j_state_lock); in jbd2_journal_errno()
2488 int jbd2_journal_clear_err(journal_t *journal) in jbd2_journal_clear_err() argument
2492 write_lock(&journal->j_state_lock); in jbd2_journal_clear_err()
2493 if (journal->j_flags & JBD2_ABORT) in jbd2_journal_clear_err()
2496 journal->j_errno = 0; in jbd2_journal_clear_err()
2497 write_unlock(&journal->j_state_lock); in jbd2_journal_clear_err()
2508 void jbd2_journal_ack_err(journal_t *journal) in jbd2_journal_ack_err() argument
2510 write_lock(&journal->j_state_lock); in jbd2_journal_ack_err()
2511 if (journal->j_errno) in jbd2_journal_ack_err()
2512 journal->j_flags |= JBD2_ACK_ERR; in jbd2_journal_ack_err()
2513 write_unlock(&journal->j_state_lock); in jbd2_journal_ack_err()
2524 size_t journal_tag_bytes(journal_t *journal) in journal_tag_bytes() argument
2528 if (jbd2_has_feature_csum3(journal)) in journal_tag_bytes()
2533 if (jbd2_has_feature_csum2(journal)) in journal_tag_bytes()
2536 if (jbd2_has_feature_64bit(journal)) in journal_tag_bytes()
2870 void jbd2_journal_release_jbd_inode(journal_t *journal, in jbd2_journal_release_jbd_inode() argument
2873 if (!journal) in jbd2_journal_release_jbd_inode()
2876 spin_lock(&journal->j_list_lock); in jbd2_journal_release_jbd_inode()
2883 spin_unlock(&journal->j_list_lock); in jbd2_journal_release_jbd_inode()
2893 spin_unlock(&journal->j_list_lock); in jbd2_journal_release_jbd_inode()