From: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Date: Tue, 6 Aug 2013 02:29:54 +0000 (+0800)
Subject: Btrfs: pass gfp_t to __add_prelim_ref() to avoid always using GFP_ATOMIC
X-Git-Tag: v3.12-rc1~40^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=742916b885edbc6453b4769458959929746e8e7e;p=pandora-kernel.git

Btrfs: pass gfp_t to __add_prelim_ref() to avoid always using GFP_ATOMIC

Currently, only add_delayed_refs have to allocate with GFP_ATOMIC,
So just pass arg 'gfp_t' to decide which allocation mode.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: Miao Xie <miaox@cn.fujitsu.com>
Reviewed-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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