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-rw-r--r--fs/ocfs2/journal.c39
1 files changed, 19 insertions, 20 deletions
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 303c8d96457f..d329c9df90ae 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -147,8 +147,7 @@ struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
147 147
148 mlog_entry("(max_buffs = %d)\n", max_buffs); 148 mlog_entry("(max_buffs = %d)\n", max_buffs);
149 149
150 if (!osb || !osb->journal->j_journal) 150 BUG_ON(!osb || !osb->journal->j_journal);
151 BUG();
152 151
153 if (ocfs2_is_hard_readonly(osb)) { 152 if (ocfs2_is_hard_readonly(osb)) {
154 ret = -EROFS; 153 ret = -EROFS;
@@ -401,7 +400,7 @@ int ocfs2_journal_access(struct ocfs2_journal_handle *handle,
401 * j_trans_barrier for us. */ 400 * j_trans_barrier for us. */
402 ocfs2_set_inode_lock_trans(OCFS2_SB(inode->i_sb)->journal, inode); 401 ocfs2_set_inode_lock_trans(OCFS2_SB(inode->i_sb)->journal, inode);
403 402
404 down(&OCFS2_I(inode)->ip_io_sem); 403 mutex_lock(&OCFS2_I(inode)->ip_io_mutex);
405 switch (type) { 404 switch (type) {
406 case OCFS2_JOURNAL_ACCESS_CREATE: 405 case OCFS2_JOURNAL_ACCESS_CREATE:
407 case OCFS2_JOURNAL_ACCESS_WRITE: 406 case OCFS2_JOURNAL_ACCESS_WRITE:
@@ -416,7 +415,7 @@ int ocfs2_journal_access(struct ocfs2_journal_handle *handle,
416 status = -EINVAL; 415 status = -EINVAL;
417 mlog(ML_ERROR, "Uknown access type!\n"); 416 mlog(ML_ERROR, "Uknown access type!\n");
418 } 417 }
419 up(&OCFS2_I(inode)->ip_io_sem); 418 mutex_unlock(&OCFS2_I(inode)->ip_io_mutex);
420 419
421 if (status < 0) 420 if (status < 0)
422 mlog(ML_ERROR, "Error %d getting %d access to buffer!\n", 421 mlog(ML_ERROR, "Error %d getting %d access to buffer!\n",
@@ -561,7 +560,11 @@ int ocfs2_journal_init(struct ocfs2_journal *journal, int *dirty)
561 SET_INODE_JOURNAL(inode); 560 SET_INODE_JOURNAL(inode);
562 OCFS2_I(inode)->ip_open_count++; 561 OCFS2_I(inode)->ip_open_count++;
563 562
564 status = ocfs2_meta_lock(inode, NULL, &bh, 1); 563 /* Skip recovery waits here - journal inode metadata never
564 * changes in a live cluster so it can be considered an
565 * exception to the rule. */
566 status = ocfs2_meta_lock_full(inode, NULL, &bh, 1,
567 OCFS2_META_LOCK_RECOVERY);
565 if (status < 0) { 568 if (status < 0) {
566 if (status != -ERESTARTSYS) 569 if (status != -ERESTARTSYS)
567 mlog(ML_ERROR, "Could not get lock on journal!\n"); 570 mlog(ML_ERROR, "Could not get lock on journal!\n");
@@ -672,8 +675,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb)
672 675
673 mlog_entry_void(); 676 mlog_entry_void();
674 677
675 if (!osb) 678 BUG_ON(!osb);
676 BUG();
677 679
678 journal = osb->journal; 680 journal = osb->journal;
679 if (!journal) 681 if (!journal)
@@ -805,8 +807,7 @@ int ocfs2_journal_wipe(struct ocfs2_journal *journal, int full)
805 807
806 mlog_entry_void(); 808 mlog_entry_void();
807 809
808 if (!journal) 810 BUG_ON(!journal);
809 BUG();
810 811
811 status = journal_wipe(journal->j_journal, full); 812 status = journal_wipe(journal->j_journal, full);
812 if (status < 0) { 813 if (status < 0) {
@@ -1072,10 +1073,10 @@ restart:
1072 NULL); 1073 NULL);
1073 1074
1074bail: 1075bail:
1075 down(&osb->recovery_lock); 1076 mutex_lock(&osb->recovery_lock);
1076 if (!status && 1077 if (!status &&
1077 !ocfs2_node_map_is_empty(osb, &osb->recovery_map)) { 1078 !ocfs2_node_map_is_empty(osb, &osb->recovery_map)) {
1078 up(&osb->recovery_lock); 1079 mutex_unlock(&osb->recovery_lock);
1079 goto restart; 1080 goto restart;
1080 } 1081 }
1081 1082
@@ -1083,7 +1084,7 @@ bail:
1083 mb(); /* sync with ocfs2_recovery_thread_running */ 1084 mb(); /* sync with ocfs2_recovery_thread_running */
1084 wake_up(&osb->recovery_event); 1085 wake_up(&osb->recovery_event);
1085 1086
1086 up(&osb->recovery_lock); 1087 mutex_unlock(&osb->recovery_lock);
1087 1088
1088 mlog_exit(status); 1089 mlog_exit(status);
1089 /* no one is callint kthread_stop() for us so the kthread() api 1090 /* no one is callint kthread_stop() for us so the kthread() api
@@ -1098,7 +1099,7 @@ void ocfs2_recovery_thread(struct ocfs2_super *osb, int node_num)
1098 mlog_entry("(node_num=%d, osb->node_num = %d)\n", 1099 mlog_entry("(node_num=%d, osb->node_num = %d)\n",
1099 node_num, osb->node_num); 1100 node_num, osb->node_num);
1100 1101
1101 down(&osb->recovery_lock); 1102 mutex_lock(&osb->recovery_lock);
1102 if (osb->disable_recovery) 1103 if (osb->disable_recovery)
1103 goto out; 1104 goto out;
1104 1105
@@ -1120,7 +1121,7 @@ void ocfs2_recovery_thread(struct ocfs2_super *osb, int node_num)
1120 } 1121 }
1121 1122
1122out: 1123out:
1123 up(&osb->recovery_lock); 1124 mutex_unlock(&osb->recovery_lock);
1124 wake_up(&osb->recovery_event); 1125 wake_up(&osb->recovery_event);
1125 1126
1126 mlog_exit_void(); 1127 mlog_exit_void();
@@ -1271,8 +1272,7 @@ static int ocfs2_recover_node(struct ocfs2_super *osb,
1271 1272
1272 /* Should not ever be called to recover ourselves -- in that 1273 /* Should not ever be called to recover ourselves -- in that
1273 * case we should've called ocfs2_journal_load instead. */ 1274 * case we should've called ocfs2_journal_load instead. */
1274 if (osb->node_num == node_num) 1275 BUG_ON(osb->node_num == node_num);
1275 BUG();
1276 1276
1277 slot_num = ocfs2_node_num_to_slot(si, node_num); 1277 slot_num = ocfs2_node_num_to_slot(si, node_num);
1278 if (slot_num == OCFS2_INVALID_SLOT) { 1278 if (slot_num == OCFS2_INVALID_SLOT) {
@@ -1584,10 +1584,9 @@ static int ocfs2_commit_thread(void *arg)
1584 while (!(kthread_should_stop() && 1584 while (!(kthread_should_stop() &&
1585 atomic_read(&journal->j_num_trans) == 0)) { 1585 atomic_read(&journal->j_num_trans) == 0)) {
1586 1586
1587 wait_event_interruptible_timeout(osb->checkpoint_event, 1587 wait_event_interruptible(osb->checkpoint_event,
1588 atomic_read(&journal->j_num_trans) 1588 atomic_read(&journal->j_num_trans)
1589 || kthread_should_stop(), 1589 || kthread_should_stop());
1590 OCFS2_CHECKPOINT_INTERVAL);
1591 1590
1592 status = ocfs2_commit_cache(osb); 1591 status = ocfs2_commit_cache(osb);
1593 if (status < 0) 1592 if (status < 0)