tree 8ca61bb87ffb72343b8d392a26fb7a6265f6fa3d
parent 1ba12553f3600ffebad226c5204ab0e46df98161
author Yan Zheng <zheng.yan@oracle.com> 1231260120 -0500
committer Chris Mason <chris.mason@oracle.com> 1231260120 -0500

Btrfs: tree logging checksum fixes

This patch contains following things.

1) Limit the max size of btrfs_ordered_sum structure to PAGE_SIZE.  This
struct is kmalloced so we want to keep it reasonable.

2) Replace copy_extent_csums by btrfs_lookup_csums_range.  This was
duplicated code in tree-log.c

3) Remove replay_one_csum. csum items are replayed at the same time as
   replaying file extents. This guarantees we only replay useful csums.

4) nbytes accounting fix.

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