From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 26 Dec 2013 05:07:03 +0000 (+0800)
Subject: Btrfs: cleanup code of btrfs_balance_delayed_items()
X-Git-Tag: v3.14-rc1~29^2~74
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0353808cae35bc81c86e3510748a10f6bdff41b8;p=pandora-kernel.git

Btrfs: cleanup code of btrfs_balance_delayed_items()

- move the condition check for wait into a function
- use wait_event_interruptible instead of prepare-schedule-finish process

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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