| commit | 1b856086813be9371929b6cc62045f9fd470f5a0 | [log] [tgz] |
|---|---|---|
| author | Bart Van Assche <bart.vanassche@sandisk.com> | Tue Aug 16 16:48:36 2016 -0700 |
| committer | Jens Axboe <axboe@fb.com> | Tue Aug 16 19:36:14 2016 -0600 |
| tree | 2ed054abb499ec7f19b63f9f5b24acff932d079f | |
| parent | 7afafc8a44bf0ab841b17d450b02aedb3a138985 [diff] |
block: Fix race triggered by blk_set_queue_dying() blk_set_queue_dying() can be called while another thread is submitting I/O or changing queue flags, e.g. through dm_stop_queue(). Hence protect the QUEUE_FLAG_DYING flag change with locking. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Mike Snitzer <snitzer@redhat.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Jens Axboe <axboe@fb.com>