dm mpath: use DM_MAPIO_SUBMITTED instead of magic number 0 in process_queued_bios()

Signed-off-by: Wang Sheng-Hui <shhuiw@foxmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 1e60ec4..746dd8a 100644 (file)
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -714,7 +714,7 @@ static void process_queued_bios(struct work_struct *work)
                case DM_MAPIO_REMAPPED:
                        generic_make_request(bio);
                        break;
-               case 0:
+               case DM_MAPIO_SUBMITTED:
                        break;
                default:
                        WARN_ONCE(true, "__multipath_map_bio() returned %d\n", r);