tree ebc07d75a30f84d4f8c9b8e86720307c02fe9023
parent ed64f06652210b4a52fe0ea65ac43f9c6af1d988
author Li Zefan <lizf@cn.fujitsu.com> 1310613513 +0000
committer Chris Mason <chris.mason@oracle.com> 1312223450 -0400

Btrfs: clean up code for merging extent maps

unpin_extent_cache() and add_extent_mapping() shares the same code
that merges extent maps.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>