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![Mike Snitzer](https://secure.gravatar.com/avatar/3d58862d4b1675ca639270b37bbffd05.jpg?s=96&d=mm)
Mike Snitzer committed 518257b1327
dm mpath: switch to using bitops for state flags Mechanical change that doesn't make any real effort to reduce the use of m->lock; that will come later (once atomics are used for counters, etc). Suggested-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>