From 9a40f1222a372de77344d85d31f8fe0e1c0e60e7 Mon Sep 17 00:00:00 2001
From: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
Date: Mon, 31 Mar 2014 18:03:25 +0800
Subject: [PATCH] btrfs: filter invalid arg for btrfs resize

Originally following cmds will work:
	# btrfs fi resize -10A  <mnt>
	# btrfs fi resize -10Gaha <mnt>
Filter the arg by checking the return pointer of memparse.

Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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