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authorNigel Cunningham <nigel@tuxonice.net>2012-02-03 19:59:41 +1100
committerRafael J. Wysocki <rjw@sisk.pl>2012-03-13 22:36:44 +0100
commit35c80422afc8394d1ecbab3c0b17fcd539e4e5c2 (patch)
treeff01c1ed95ea4ca6656f43e87f29a1a54a633106 /fs/jbd
parent37f08be11be9a7d9351fb1b9b408259519a126f3 (diff)
PM / Sleep: JBD and JBD2 missing set_freezable()
With the latest and greatest changes to the freezer, I started seeing panics that were caused by jbd2 running post-process freezing and hitting the canary BUG_ON for non-TuxOnIce I/O submission. I've traced this back to a lack of set_freezable calls in both jbd and jbd2. Since they're clearly meant to be frozen (there are tests for freezing()), I submit the following patch to add the missing calls. Signed-off-by: Nigel Cunningham <nigel@tuxonice.net> Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'fs/jbd')
-rw-r--r--fs/jbd/journal.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 59c09f9541b..89cd985aee0 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -129,6 +129,8 @@ static int kjournald(void *arg)
setup_timer(&journal->j_commit_timer, commit_timeout,
(unsigned long)current);
+ set_freezable();
+
/* Record that the journal thread is running */
journal->j_task = current;
wake_up(&journal->j_wait_done_commit);