storage: use userns_exec_full()

src/lxc/storage/aufs.c

@@ -136,8 +136,8 @@ int aufs_clonepaths(struct lxc_storage *orig, struct lxc_storage *new,
 		rdata.src = odelta;
 		rdata.dest = ndelta;
 		if (am_unpriv())
-			ret = userns_exec_1(conf, rsync_delta_wrapper, &rdata,
-					    "rsync_delta_wrapper");
+			ret = userns_exec_full(conf, rsync_delta_wrapper,
+					       &rdata, "rsync_delta_wrapper");
 		else
 			ret = rsync_delta(&rdata);
 		if (ret) {

src/lxc/storage/btrfs.c

@@ -397,8 +397,8 @@ int btrfs_clonepaths(struct lxc_storage *orig, struct lxc_storage *new,
 			return btrfs_snapshot(orig->dest, new->dest);
 		sdata.dest = new->dest;
 		sdata.src = orig->dest;
-		return userns_exec_1(conf, btrfs_snapshot_wrapper, &sdata,
-				     "btrfs_snapshot_wrapper");
+		return userns_exec_full(conf, btrfs_snapshot_wrapper, &sdata,
+					"btrfs_snapshot_wrapper");
 	}
 
 	if (rmdir(new->dest) < 0 && errno != ENOENT) {

src/lxc/storage/overlay.c

@@ -752,8 +752,8 @@ static int ovl_do_rsync(struct lxc_storage *orig, struct lxc_storage *new,
 	rdata.orig = orig;
 	rdata.new = new;
 	if (am_unpriv())
-		ret = userns_exec_1(conf, ovl_rsync_wrapper, &rdata,
-				    "ovl_rsync_wrapper");
+		ret = userns_exec_full(conf, ovl_rsync_wrapper, &rdata,
+				       "ovl_rsync_wrapper");
 	else
 		ret = ovl_rsync(&rdata);
 	if (ret)

src/lxc/storage/storage.c

@@ -454,8 +454,8 @@ struct lxc_storage *storage_copy(struct lxc_container *c0, const char *cname,
 	data.orig = orig;
 	data.new = new;
 	if (am_unpriv())
-		ret = userns_exec_1(c0->lxc_conf, rsync_rootfs_wrapper, &data,
-				    "rsync_rootfs_wrapper");
+		ret = userns_exec_full(c0->lxc_conf, rsync_rootfs_wrapper,
+				       &data, "rsync_rootfs_wrapper");
 	else
 		ret = rsync_rootfs(&data);
 

src/lxc/storage/storage.h

@@ -128,7 +128,6 @@ extern struct lxc_storage *storage_create(const char *dest, const char *type,
 extern void storage_put(struct lxc_storage *bdev);
 extern bool storage_destroy(struct lxc_conf *conf);
 
-/* callback function to be used with userns_exec_1() */
 extern int storage_destroy_wrapper(void *data);
 extern bool rootfs_is_blockdev(struct lxc_conf *conf);