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Commit 52c26179 authored by Yan Zheng's avatar Yan Zheng Committed by Chris Mason
Browse files

Btrfs: update directory's size when creating subvol/snapshot 



Make sure directory's size properly updated when creating
subvol/snapshot.

Signed-off-by: default avatarYan Zheng <zheng.yan@oracle.com>
parent e441d54d

fs/btrfs/ioctl.c

+4 −0
Original line number Diff line number Diff line
@@ -147,6 +147,10 @@ static noinline int create_subvol(struct btrfs_root *root, 
	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,

fs/btrfs/transaction.c

+4 −0
Original line number Diff line number Diff line
@@ -819,6 +819,10 @@ static noinline int finish_pending_snapshot(struct btrfs_fs_info *fs_info, 
	if (ret)

		goto fail;



	btrfs_i_size_write(parent_inode, parent_inode->i_size + namelen * 2);

	ret = btrfs_update_inode(trans, parent_root, parent_inode);

	BUG_ON(ret);



	/* add the backref first */

	ret = btrfs_add_root_ref(trans, parent_root->fs_info->tree_root,

				 pending->root_key.objectid,