From d72c0842ff0e71342857723bb65f35b71f57b264 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Sun, 11 Sep 2011 10:52:25 -0400
Subject: [PATCH] Btrfs: calc file extent num_bytes correctly in file clone

num_bytes should be 4096 not 12288.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Reading git-format-patch failed