From: Yan Zheng <zheng.yan@oracle.com>
Date: Tue, 6 Jan 2009 16:42:00 +0000 (-0500)
Subject: Btrfs: tree logging checksum fixes
X-Git-Tag: v2.6.29-rc1~27^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=07d400a6df4767a90d49a153fdb7f4cfa1e3f23e;p=pandora-kernel.git

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>
---

Reading git-diff-tree failed