Commits
Mike Snitzer committed 91e968aa601
dm mpath: use atomic_t for counting members of 'struct multipath' The use of atomic_t for nr_valid_paths, pg_init_in_progress and pg_init_count will allow relaxing the use of the m->lock spinlock. 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>