linux-kernel - Re: [QUESTION] Need some explanations in regard to memory alignment of requests that a block device receives

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Message-ID: <728075.56624.qm@web37602.mail.mud.yahoo.com>
Date:	Sat, 14 Aug 2010 00:08:14 -0700 (PDT)
From:	Alex Dubov <oakad@...oo.com>
To:	Maxim Levitsky <maximlevitsky@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [QUESTION] Need some explanations in regard to memory alignment of requests that a block device receives

> 
> However I am opting in to allow to receive requests that
> have many
> sectors span several memory regions, and be in highmem).
> The request is converted to scatterlist upon which I
> operate.
> (Untill this point I did the same think Alex does in
> mspro_blk.c)
> 

If you'll look at what is actually there you'll see that neither of your
questions poses a real problem. But, of course, block layer is more
conservative, for what I can tell.



      
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