Btrfs: update directory's size when creating subvol/snapshot
Make sure directory's size properly updated when creating
subvol/snapshot.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 150784e..ba484aa 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -147,6 +147,10 @@
if (ret)
goto fail;
+ btrfs_i_size_write(dir, dir->i_size + namelen * 2);
+ ret = btrfs_update_inode(trans, root, dir);
+ BUG_ON(ret);
+
/* add the backref first */
ret = btrfs_add_root_ref(trans, root->fs_info->tree_root,
objectid, BTRFS_ROOT_BACKREF_KEY,
