tree 8ca5f83c0c43e505b872368877504fa95c6276ab
parent 1974a3b42d8cf7a9c74f1e0310c593023617037a
author Miao Xie <miaox@cn.fujitsu.com> 1294222046 +0000
committer Chris Mason <chris.mason@oracle.com> 1295195419 -0500

btrfs: restructure find_free_dev_extent()

- make it return the start position and length of the max free space when it can
  not find a suitable free space.
- make it more readability

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>