From mboxrd@z Thu Jan  1 00:00:00 1970
From: majianpeng <majianpeng@gmail.com>
Subject: Re: Re: [PATCH 1/4] md/raid5: Reduce one write-operation when handle badsector
Date: Mon, 4 Mar 2013 10:37:09 +0800
Message-ID: <2013030410370206658210@gmail.com>
References: <201302281550584027165@gmail.com> <20130304124330.7eb81dde@notabene.brown> <201303040952542954272@gmail.com>,
	<20130304132533.571e8070@notabene.brown>
Reply-To: majianpeng <majianpeng@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain;
	charset="gb2312"
Content-Transfer-Encoding: base64
Return-path: <linux-raid-owner@vger.kernel.org>
Sender: linux-raid-owner@vger.kernel.org
To: NeilBrown <neilb@suse.de>
Cc: linux-raid <linux-raid@vger.kernel.org>
List-Id: linux-raid.ids
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