tree 081d39d935782a34d4726a55f608de3237b57d9d
parent 180591bcfed1a2cec048abb21d3dab840625caab
author Yan Zheng <zheng.yan@oracle.com> 1231253882 -0500
committer Chris Mason <chris.mason@oracle.com> 1231253882 -0500

Btrfs: don't change file extent's ram_bytes in btrfs_drop_extents

btrfs_drop_extents doesn't change file extent's ram_bytes
in the case of booked extent. To be consistent, we should
also not change ram_bytes when truncating existing extent.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>