Btrfs: clean up code for merging extent maps
authorLi Zefan <lizf@cn.fujitsu.com>
Thu, 14 Jul 2011 03:18:33 +0000 (03:18 +0000)
committerChris Mason <chris.mason@oracle.com>
Mon, 1 Aug 2011 18:30:50 +0000 (14:30 -0400)
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>
fs/btrfs/extent_map.c

Simple merge