tree 3179f5e834e482cc3f782e709a53b08591416c76
parent 8e4eef7a60eeca0fe7503e5cbd3b24ff4941c732
author Yan, Zheng <zheng.z.yan@linux.intel.com> 1295328880 +0800
committer Chris Mason <chris.mason@oracle.com> 1297106031 -0500

Btrfs: Fix page count calculation

take offset of start position into account when calculating page count.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>