tree aa89a228922632062ce60e18719e1be0bdb4475a
parent 42874b3db7817f662b1d7c6e32f8b63638fa0321
author Miao Xie <miaox@cn.fujitsu.com> 1346925836 -0600
committer Chris Mason <chris.mason@fusionio.com> 1349119152 -0400

Btrfs: fix wrong size for the reservation of the, snapshot creation

We should insert/update 6 items(root ref, root backref, dir item, dir index,
root item and parent inode) when creating a snapshot, not 5 items, fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>