1 files changed, 3 insertions, 0 deletions

diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index e0139786f717..a2ed72f7ceee 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -168,6 +168,7 @@ static int journal_submit_commit_record(journal_t *journal,
                 spin_unlock(&journal->j_state_lock);
 
                 /* And try again, without the barrier */
+                lock_buffer(bh);
                 set_buffer_uptodate(bh);
                 set_buffer_dirty(bh);
                 ret = submit_bh(WRITE, bh);
@@ -560,7 +561,9 @@ void jbd2_journal_commit_transaction(journal_t *journal)
          * 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,