Commits
Miao Xie committed 61b520a9d00
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>