bcache: Fix a dumb journal discard bug

That switch statement was obviously wrong, leading to some sort of weird spinning on rare occasion with discards enabled... Signed-off-by: Kent Overstreet <kmo@daterainc.com> Cc: linux-stable <stable@vger.kernel.org> # >= v3.10 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
git-mirror · Sep 24, 2013 · 6d9d21e · 6d9d21e
1 parent 2f6cf0d
commit 6d9d21e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
@@ -428,7 +428,7 @@ static void do_journal_discard(struct cache *ca)
 		return;
 	}
 
-	switch (atomic_read(&ja->discard_in_flight) == DISCARD_IN_FLIGHT) {
+	switch (atomic_read(&ja->discard_in_flight)) {
 	case DISCARD_IN_FLIGHT:
 		return;