From: Kent Overstreet <kmo@daterainc.com>
Date: Fri, 29 Nov 2013 01:28:37 +0000 (-0800)
Subject: bcache: Use uninterruptible sleep in writeback
X-Git-Tag: accepted/tizen/common/20141203.182822~868^2~8^2~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ce2b3f595e1c56639085645e0130426e443008c0;p=platform%2Fkernel%2Flinux-arm64.git

bcache: Use uninterruptible sleep in writeback

We're just waiting on kthread_should_stop(), nothing else, so
interruptible sleep was wrong here.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
---

diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 484e57d..3cd931d 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -241,7 +241,7 @@ static void read_dirty(struct cached_dev *dc)
 		if (KEY_START(&w->key) != dc->last_read ||
 		    jiffies_to_msecs(delay) > 50)
 			while (!kthread_should_stop() && delay)
-				delay = schedule_timeout_interruptible(delay);
+				delay = schedule_timeout_uninterruptible(delay);
 
 		dc->last_read	= KEY_OFFSET(&w->key);
 
@@ -438,7 +438,7 @@ static int bch_writeback_thread(void *arg)
 			while (delay &&
 			       !kthread_should_stop() &&
 			       !test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags))
-				delay = schedule_timeout_interruptible(delay);
+				delay = schedule_timeout_uninterruptible(delay);
 		}
 	}