From: Kent Overstreet <kmo@daterainc.com>
To: torvalds@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-bcache@vger.kernel.org
Cc: axboe@kernel.dk, Kent Overstreet <kmo@daterainc.com>
Subject: [PATCH 08/11] bcache: Fix a dumb CPU spinning bug in writeback
Date: Mon, 23 Sep 2013 23:17:33 -0700 [thread overview]
Message-ID: <1380003456-19938-9-git-send-email-kmo@daterainc.com> (raw)
In-Reply-To: <1380003456-19938-1-git-send-email-kmo@daterainc.com>
schedule_timeout() != schedule_timeout_uninterruptible()
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Cc: linux-stable <stable@vger.kernel.org> # >= v3.10
---
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 27ac519..ba3ee48 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);
--
1.8.4.rc3
next prev parent reply other threads:[~2013-09-24 6:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-24 6:17 [PATCH] Bcache fixes - please apply Kent Overstreet
2013-09-24 6:17 ` [PATCH 01/11] block: Fix bio_copy_data() Kent Overstreet
2013-09-24 6:17 ` [PATCH 02/11] bcache: Fix a dumb journal discard bug Kent Overstreet
2013-09-24 6:17 ` [PATCH 03/11] bcache: Strip endline when writing the label through sysfs Kent Overstreet
2013-09-24 6:17 ` [PATCH 04/11] bcache: Fix for when no journal entries are found Kent Overstreet
2013-09-24 6:17 ` [PATCH 05/11] bcache: Correct printf()-style format length modifier Kent Overstreet
2013-09-24 6:17 ` [PATCH 06/11] bcache: Fix a writeback performance regression Kent Overstreet
2013-09-24 6:17 ` [PATCH 07/11] bcache: Fix a flush/fua performance bug Kent Overstreet
2013-09-24 6:17 ` Kent Overstreet [this message]
2013-09-24 6:17 ` [PATCH 09/11] bcache: Fix a shrinker deadlock Kent Overstreet
2013-09-24 6:17 ` [PATCH 10/11] bcache: Fix for handling overlapping extents when reading in a btree node Kent Overstreet
2013-09-24 6:17 ` [PATCH 11/11] bcache: Fix flushes in writeback mode Kent Overstreet
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