diff options
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 10 | 
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index a0686658a3f..4cdb98cf26d 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1297,10 +1297,12 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,  	dest->root_item.drop_level = 0;  	btrfs_set_root_refs(&dest->root_item, 0); -	ret = btrfs_insert_orphan_item(trans, -				root->fs_info->tree_root, -				dest->root_key.objectid); -	BUG_ON(ret); +	if (!xchg(&dest->orphan_item_inserted, 1)) { +		ret = btrfs_insert_orphan_item(trans, +					root->fs_info->tree_root, +					dest->root_key.objectid); +		BUG_ON(ret); +	}  	ret = btrfs_commit_transaction(trans, root);  	BUG_ON(ret);  |