From bab9fb035faa5119991b64cfee1b14c1d6f6a31b Mon Sep 17 00:00:00 2001
From: Yan <yanzheng@21cn.com>
Date: Mon, 17 Sep 2007 11:13:11 -0400
Subject: [PATCH] Btrfs: truncate: don't update inode->i_blocks when extent is
 a hole

I think check whether extent is a hole before update 'inode->i_blocks'
is unconditional required. (original codes check it only when
del_item isn't equal to 0)

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