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(parent: fc6fcd6) | patch
dm delay: fix a possible deadlock due to shared workqueue
authorMikulas Patocka <mpatocka@redhat.com>
Fri, 15 Nov 2013 21:12:20 +0000 (16:12 -0500)
committerMike Snitzer <snitzer@redhat.com>
Mon, 18 Nov 2013 16:23:21 +0000 (11:23 -0500)
commitc5338c261bd0edf11b9b6645c177c65e5f77b718
treefa1d459ccf22f9944af10fde35a5dbd28fd7a45etree | snapshot
parentfc6fcd68b2357a1f7f73c0b42c93e5d5e40f0387commit | diff
dm delay: fix a possible deadlock due to shared workqueue

The dm-delay target uses a shared workqueue for multiple instances.  This
can cause deadlock if two or more dm-delay targets are stacked on the top
of each other.

This patch changes dm-delay to use a per-instance workqueue.

Cc: stable@vger.kernel.org # 2.6.22+
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-delay.c diff | blob | history
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