Commit 772279c5 authored May 14, 2008 by Mingming Cao Committed by Linus Torvalds May 14, 2008

jbd: need to hold j_state_lock to updates to transaction t_state to T_COMMIT



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.

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Acked-by: Jan Kara <jack@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent c3723ca3

fs/jbd/commit.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -470,7 +470,9 @@ void 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);

		J_ASSERT(commit_transaction->t_nr_buffers <=
		commit_transaction->t_outstanding_credits);