From mboxrd@z Thu Jan  1 00:00:00 1970
From: James Bottomley <James.Bottomley@SteelEye.com>
Subject: Re: IO buffer alignment for block devices
Date: 13 Sep 2004 11:28:18 -0400
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To: Saeed Bishara <Saeed.Bishara@il.marvell.com>
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On Mon, 2004-09-13 at 11:16, Saeed Bishara wrote:
>     isn't the default 512, this is what I see in blk_queue_make_request.
> 
> <http://lxr.linux.no/ident?v=2.6.8.1;i=blk_queue_make_request>

In the block layer, yes.  In SCSI we tune that down to be 8 for backward
compatibility with 2.4, I think, but LLDs can tune it up again.

> any Ideas about lk 2.4?

Not really; since it's end of life, you could probably get away with not
back porting to 2.4

James