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-rw-r--r--fs/jbd2/journal.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index c43fe83ee708..5a0245e36240 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -700,8 +700,21 @@ int jbd2_log_wait_commit(journal_t *journal, tid_t tid)
{
int err = 0;
- jbd2_might_wait_for_commit(journal);
read_lock(&journal->j_state_lock);
+#ifdef CONFIG_PROVE_LOCKING
+ /*
+ * Some callers make sure transaction is already committing and in that
+ * case we cannot block on open handles anymore. So don't warn in that
+ * case.
+ */
+ if (tid_gt(tid, journal->j_commit_sequence) &&
+ (!journal->j_committing_transaction ||
+ journal->j_committing_transaction->t_tid != tid)) {
+ read_unlock(&journal->j_state_lock);
+ jbd2_might_wait_for_commit(journal);
+ read_lock(&journal->j_state_lock);
+ }
+#endif
#ifdef CONFIG_JBD2_DEBUG
if (!tid_geq(journal->j_commit_request, tid)) {
printk(KERN_ERR
@@ -922,7 +935,8 @@ int __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block)
* space and if we lose sb update during power failure we'd replay
* old transaction with possibly newly overwritten data.
*/
- ret = jbd2_journal_update_sb_log_tail(journal, tid, block, REQ_FUA);
+ ret = jbd2_journal_update_sb_log_tail(journal, tid, block,
+ REQ_SYNC | REQ_FUA);
if (ret)
goto out;
@@ -1323,7 +1337,7 @@ static int journal_reset(journal_t *journal)
jbd2_journal_update_sb_log_tail(journal,
journal->j_tail_sequence,
journal->j_tail,
- REQ_FUA);
+ REQ_SYNC | REQ_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
}
return jbd2_journal_start_thread(journal);
@@ -1463,7 +1477,7 @@ void jbd2_journal_update_sb_errno(journal_t *journal)
sb->s_errno = cpu_to_be32(journal->j_errno);
read_unlock(&journal->j_state_lock);
- jbd2_write_superblock(journal, REQ_FUA);
+ jbd2_write_superblock(journal, REQ_SYNC | REQ_FUA);
}
EXPORT_SYMBOL(jbd2_journal_update_sb_errno);
@@ -1730,7 +1744,7 @@ int jbd2_journal_destroy(journal_t *journal)
write_unlock(&journal->j_state_lock);
jbd2_mark_journal_empty(journal,
- REQ_PREFLUSH | REQ_FUA);
+ REQ_SYNC | REQ_PREFLUSH | REQ_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
} else
err = -EIO;
@@ -1989,7 +2003,7 @@ int jbd2_journal_flush(journal_t *journal)
* the magic code for a fully-recovered superblock. Any future
* commits of data to the journal will restore the current
* s_start value. */
- jbd2_mark_journal_empty(journal, REQ_FUA);
+ jbd2_mark_journal_empty(journal, REQ_SYNC | REQ_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
write_lock(&journal->j_state_lock);
J_ASSERT(!journal->j_running_transaction);
@@ -2035,7 +2049,7 @@ int jbd2_journal_wipe(journal_t *journal, int write)
if (write) {
/* Lock to make assertions happy... */
mutex_lock(&journal->j_checkpoint_mutex);
- jbd2_mark_journal_empty(journal, REQ_FUA);
+ jbd2_mark_journal_empty(journal, REQ_SYNC | REQ_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
}