jbd2: update transaction t_state to T_COMMIT fix
Updating the current transaction's t_state is protected by j_state_lock. We
need to do the same when updating the t_state to T_COMMIT.
Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index e013978..4d99685 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -560,7 +560,9 @@
* transaction! Now comes the tricky part: we need to write out
* metadata. Loop over the transaction's entire buffer list:
*/
+ spin_lock(&journal->j_state_lock);
commit_transaction->t_state = T_COMMIT;
+ spin_unlock(&journal->j_state_lock);
stats.u.run.rs_logging = jiffies;
stats.u.run.rs_flushing = jbd2_time_diff(stats.u.run.rs_flushing,