tree 2a763276869693b21c0e3a14f725f642c1f27fd3
parent 0b32f4bbb423f02acee6d43cd442f5f0775db7e0
author Chris Mason <chris.mason@oracle.com> 1330778403 -0500
committer Chris Mason <chris.mason@oracle.com> 1332795863 -0400

Btrfs: add the ability to cache a pointer into the eb

This cuts down on the CPU time used by map_private_extent_buffer

Signed-off-by: Chris Mason <chris.mason@oracle.com>