Commit 79e3dab9 authored by Kent Overstreet's avatar Kent Overstreet Committed by Linus Torvalds

bcache: Fix a dumb CPU spinning bug in writeback

schedule_timeout() != schedule_timeout_uninterruptible()
Signed-off-by: default avatarKent Overstreet <kmo@daterainc.com>
Cc: linux-stable <stable@vger.kernel.org> # >= v3.10
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1394d676
...@@ -397,8 +397,7 @@ static void read_dirty(struct closure *cl) ...@@ -397,8 +397,7 @@ static void read_dirty(struct closure *cl)
if (delay > 0 && if (delay > 0 &&
(KEY_START(&w->key) != dc->last_read || (KEY_START(&w->key) != dc->last_read ||
jiffies_to_msecs(delay) > 50)) jiffies_to_msecs(delay) > 50))
while (delay) delay = schedule_timeout_uninterruptible(delay);
delay = schedule_timeout(delay);
dc->last_read = KEY_OFFSET(&w->key); dc->last_read = KEY_OFFSET(&w->key);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment