From ffe2d2034bbb34f49f76c808550fdfbea2ea1659 Mon Sep 17 00:00:00 2001
From: Zhao Lei <zhaolei@cn.fujitsu.com>
Date: Tue, 20 Jan 2015 15:11:44 +0800
Subject: [PATCH] Btrfs: Introduce BTRFS_BLOCK_GROUP_RAID56_MASK to check
 raid56 simply

So we can check raid56 with:
 (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK)
instead of long:
 (map->type & (BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6))

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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Reading git-format-patch failed