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| author | Kent Overstreet <kmo@daterainc.com> | 2013-09-24 08:17:33 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-24 23:41:43 +0200 |
| commit | 79e3dab90d9f826ceca67c7890e048ac9169de49 (patch) | |
| tree | aa3b27dad6f09cb32faa8c23ad3a3ca661a5ffae /drivers/md | |
| parent | bcache: Fix a flush/fua performance bug (diff) | |
| download | linux-79e3dab90d9f826ceca67c7890e048ac9169de49.tar.xz linux-79e3dab90d9f826ceca67c7890e048ac9169de49.zip | |
bcache: Fix a dumb CPU spinning bug in writeback
schedule_timeout() != schedule_timeout_uninterruptible()
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Cc: linux-stable <stable@vger.kernel.org> # >= v3.10
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/writeback.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index 27ac51934822..ba3ee48320f2 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -397,8 +397,7 @@ 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); |