From f578d4bd7e141dd03ca7e8695c1cc118c326e69e Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 25 Oct 2007 15:42:56 -0400
Subject: [PATCH] Btrfs: Optimize csum insertion to create larger items when
 possible

This reduces the number of calls to btrfs_extend_item and greatly lowers
the cpu usage while writing large files.

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