From: Jens Axboe <jens.axboe@oracle.com>
To: Anil kumar <anils_r@yahoo.com>
Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: blk_queue_hardsect_size 520-byte sector
Date: Fri, 6 Jun 2008 09:54:33 +0200 [thread overview]
Message-ID: <20080606075432.GH5757@kernel.dk> (raw)
In-Reply-To: <339116.28290.qm@web32404.mail.mud.yahoo.com>
On Thu, Jun 05 2008, Anil kumar wrote:
> Hi,
>
> Can I call blk_queue_hardsect_size in a driver and set it to 520-byte
> as hardware sector size. How does the kernel and block layers take
> the request, will it be in multiples of 520-bytes aligned or 512 bytes
> aligned?
No, Linux only supports power-of-2 hardware block sizes I'm afraid.
--
Jens Axboe
next prev parent reply other threads:[~2008-06-06 7:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-06 4:58 Anil kumar
2008-06-06 7:54 ` Jens Axboe [this message]
2008-06-06 10:18 ` Alan Cox
2008-06-06 10:36 ` Jens Axboe
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