From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matthew Wilcox <matthew@wil.cx>
Subject: Re: Re: might_sleep warnings in gereric_make_request
Date: Wed, 19 Apr 2006 21:47:37 -0600
Message-ID: <20060420034737.GP24104@parisc-linux.org>
References: <200604201105448287687@gmail.com> <20060420033108.GO24104@parisc-linux.org> <200604201142426250967@gmail.com>
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To: Zhikun Wang <raidwang@gmail.com>
Cc: linux-scsi@vger.kernel.org, linux-raid@vger.kernel.org
List-Id: linux-raid.ids

On Thu, Apr 20, 2006 at 11:42:45AM +0800, Zhikun Wang wrote:
> I want to write one disk data to another disk. So i call generic_make_request in first bio->bi_end_io!
> Would you please suggest another approach?
> Thanks!    

Like raid-1?  Maybe drivers/md/raid1.c would give you some useful hints.