From ff1a51b9bf5808f2d40b8e605ff7f7cdc7973b3e Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Mon, 23 Sep 2013 23:17:33 -0700 Subject: [PATCH] bcache: Fix a dumb CPU spinning bug in writeback commit 79e3dab90d9f826ceca67c7890e048ac9169de49 upstream. schedule_timeout() != schedule_timeout_uninterruptible() Signed-off-by: Kent Overstreet Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- drivers/md/bcache/writeback.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index 12c0cd1..841f049 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -327,8 +327,7 @@ static void read_dirty(struct closure *cl) if (delay > 0 && (KEY_START(&w->key) != dc->last_read || jiffies_to_msecs(delay) > 50)) - while (delay) - delay = schedule_timeout(delay); + delay = schedule_timeout_uninterruptible(delay); dc->last_read = KEY_OFFSET(&w->key); -- 2.7.4