Btrfs: Don't error on resizing FS to same size

It seems overly harsh to fail a resize of a btrfs file system to the same size when a shrink or grow would succeed. User app GParted trips over this error. Allow it by bypassing the shrink or grow operation. Signed-off-by: Mike Fleetwood <[email protected]>
mrcsosa · Nov 30, 2011 · ece7d20 · ece7d20
1 parent aa38a71
commit ece7d20
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
@@ -1278,7 +1278,7 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root,
 		}
 		ret = btrfs_grow_device(trans, device, new_size);
 		btrfs_commit_transaction(trans, root);
-	} else {
+	} else if (new_size < old_size) {
 		ret = btrfs_shrink_device(device, new_size);
 	}