From 083914eab96fabddfc715f0436e082eb375c5704 Mon Sep 17 00:00:00 2001
From: Ganesh Mahendran <opensource.ganesh@gmail.com>
Date: Fri, 12 Dec 2014 16:57:13 -0800
Subject: [PATCH] zram: use DEVICE_ATTR_[RW|RO|WO] to define zram sys device
 attribute

In current zram, we use DEVICE_ATTR() to define sys device attributes.
SO, we need to set (S_IRUGO | S_IWUSR) permission and other arguments
manually.  Linux already provids the macro DEVICE_ATTR_[RW|RO|WO] to
define sys device attribute.  It is simple and readable.

This patch uses kernel defined macro DEVICE_ATTR_[RW|RO|WO] to define
zram device attribute.

Signed-off-by: Ganesh Mahendran <opensource.ganesh@gmail.com>
Acked-by: Jerome Marchand <jmarchan@redhat.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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