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| /openbmc/linux/drivers/md/ |
| H A D | dm-mpath.c | diff 4cdd2ad78098244c1bc9ec4374ea1c225fd1cd6f Tue May 13 12:49:39 CDT 2014 Mike Snitzer <snitzer@redhat.com> dm mpath: fix lock order inconsistency in multipath_ioctl
Commit 3e9f1be1b40 ("dm mpath: remove process_queued_ios()") did not
consistently take the multipath device's spinlock (m->lock) before
calling dm_table_run_md_queue_async() -- which takes the q->queue_lock.
Found with code inspection using hint from reported lockdep warning.
Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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