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H A D | loop.c | diff f4aa4c7bbac6c4afdd4adccf90898c1a3685396d Tue May 05 06:49:54 CDT 2015 Ming Lei <ming.lei@canonical.com> block: loop: convert to per-device workqueue
Documentation/workqueue.txt: If there is dependency among multiple work items used during memory reclaim, they should be queued to separate wq each with WQ_MEM_RECLAIM.
Loop devices can be stacked, so we have to convert to per-device workqueue. One example is Fedora live CD.
Fixes: b5dd2f6047ca108001328aac0e8588edd15f1778 Cc: stable@vger.kernel.org (v4.0) Cc: Justin M. Forbes <jforbes@fedoraproject.org> Signed-off-by: Ming Lei <ming.lei@canonical.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@fb.com>
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