bcache: Fix a dumb journal discard bug

commit 6d9d21e35fbfa2934339e96934f862d118abac23 upstream.

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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index b49abb246bb6..fb1bfafa21e4 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -425,7 +425,7 @@ 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;