block: Fix a race between blk_cleanup_queue() and timeout handling
authorBart Van Assche <bart.vanassche@wdc.com>
Thu, 19 Oct 2017 17:00:48 +0000 (10:00 -0700)
committerJens Axboe <axboe@kernel.dk>
Mon, 30 Oct 2017 19:28:10 +0000 (13:28 -0600)
commit4e9b6f20828ac880dbc1fa2fdbafae779473d1af
tree9cac5adedafdea4f678947001caa69cd7de123eb
parent4d740bc9f0319229410d11e445017f47e425dbe0
block: Fix a race between blk_cleanup_queue() and timeout handling

Make sure that if the timeout timer fires after a queue has been
marked "dying" that the affected requests are finished.

Reported-by: chenxiang (M) <chenxiang66@hisilicon.com>
Fixes: commit 287922eb0b18 ("block: defer timeouts to a workqueue")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Tested-by: chenxiang (M) <chenxiang66@hisilicon.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-core.c
block/blk-timeout.c