tree a4e8c63e4732384e9c72edeb552dab3f50a1351d
parent 7e016a038e829c7d1271e1d57b8002860bbdf0db
author Li Zefan <lizf@cn.fujitsu.com> 1310613495 +0000
committer Chris Mason <chris.mason@oracle.com> 1312223449 -0400

Btrfs: clean up code for extent_map lookup

lookup_extent_map() and search_extent_map() can share most of code.

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