bcache: Fix a shutdown bug
Shutdown wasn't cancelling/waiting on journal_write_work()
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 24a3a15..c70521f 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1403,6 +1403,10 @@
if (ca->alloc_thread)
kthread_stop(ca->alloc_thread);
+ cancel_delayed_work_sync(&c->journal.work);
+ /* flush last journal entry if needed */
+ c->journal.work.work.func(&c->journal.work.work);
+
closure_return(cl);
}