dm cache: use cell_defer() boolean argument consistently

Fix a few cell_defer() calls that weren't passing a bool.
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

drivers/md/dm-cache-target.c

@@ -770,13 +770,13 @@ static void migration_failure(struct dm_cache_migration *mg)
 		DMWARN_LIMIT("demotion failed; couldn't copy block");
 		policy_force_mapping(cache->policy, mg->new_oblock, mg->old_oblock);
 
-		cell_defer(cache, mg->old_ocell, mg->promote ? 0 : 1);
+		cell_defer(cache, mg->old_ocell, mg->promote ? false : true);
 		if (mg->promote)
-			cell_defer(cache, mg->new_ocell, 1);
+			cell_defer(cache, mg->new_ocell, true);
 	} else {
 		DMWARN_LIMIT("promotion failed; couldn't copy block");
 		policy_remove_mapping(cache->policy, mg->new_oblock);
-		cell_defer(cache, mg->new_ocell, 1);
+		cell_defer(cache, mg->new_ocell, true);
 	}
 
 	cleanup_migration(mg);
@@ -828,7 +828,7 @@ static void migration_success_post_commit(struct dm_cache_migration *mg)
 		return;
 
 	} else if (mg->demote) {
-		cell_defer(cache, mg->old_ocell, mg->promote ? 0 : 1);
+		cell_defer(cache, mg->old_ocell, mg->promote ? false : true);
 
 		if (mg->promote) {
 			mg->demote = false;