From: James Bottomley <James.Bottomley@SteelEye.com>
To: Saeed Bishara <Saeed.Bishara@il.marvell.com>
Cc: SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: IO buffer alignment for block devices
Date: 13 Sep 2004 11:28:18 -0400 [thread overview]
Message-ID: <1095089305.1762.73.camel@mulgrave> (raw)
In-Reply-To: <4145B9DF.7020408@il.marvell.com>
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
next prev parent reply other threads:[~2004-09-13 15:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-13 12:48 IO buffer alignment for block devices Saeed Bishara
2004-09-13 14:14 ` James Bottomley
2004-09-13 15:16 ` Saeed Bishara
2004-09-13 15:28 ` James Bottomley [this message]
2004-09-13 17:12 ` Kai Makisara
2004-09-13 19:02 ` Jens Axboe
2004-09-13 19:56 ` Kai Makisara
2004-09-13 20:23 ` Jens Axboe
2004-09-13 22:08 ` Kai Makisara
2004-09-14 7:44 ` Jens Axboe
2004-09-14 17:39 ` Kai Makisara
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