Fix congestion_wait() sync/async vs read/write confusion

Commit 1faa16d22877f4839bd433547d770c676d1d964c accidentally broke
the bdi congestion wait queue logic, causing us to wait on congestion
for WRITE (== 1) when we really wanted BLK_RW_ASYNC (== 0) instead.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index e2fa20dadf40..e717964cb5a0 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1973,7 +1973,7 @@ try_to_free:
                 if (!progress) {
                         nr_retries--;
                         /* maybe some writeback is necessary */
-                        congestion_wait(WRITE, HZ/10);
+                        congestion_wait(BLK_RW_ASYNC, HZ/10);
                 }
 
         }