tree 9545d5f0a2e606bef5702437a7c4c3eca9f12db4
parent 3254c87618354e58fa2a7b375c6664f567480c33
author Miao Xie <miaox@cn.fujitsu.com> 1320975905 -0500
committer Chris Mason <chris.mason@oracle.com> 1320975905 -0500

Btrfs: Abstract similar code for btrfs_block_rsv_add{, _noflush}

btrfs_block_rsv_add{, _noflush}() have similar code, so abstract that code.

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