[Fold into 3] --- drivers/md/dm-thin.c | 1 + 1 file changed, 1 insertion(+) Index: linux-3.0-rc7/drivers/md/dm-thin.c =================================================================== --- linux-3.0-rc7.orig/drivers/md/dm-thin.c +++ linux-3.0-rc7/drivers/md/dm-thin.c @@ -1928,6 +1928,7 @@ static void pool_io_hints(struct dm_targ static struct target_type pool_target = { .name = "thin-pool", + .features = DM_TARGET_SINGLETON, .version = {1, 0, 0}, .module = THIS_MODULE, .ctr = pool_ctr,