From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Subject: Re: how to limit number of sectors each time
Date: Fri, 17 Oct 2008 18:47:00 +0200
Message-ID: <200810171847.00687.bzolnier@gmail.com>
References: <48F6B51B.2000408@alcatel-lucent.com> <20081016061808.GS19428@kernel.dk> <48F6DD54.70004@alcatel-lucent.com>
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To: gshan <gshan@alcatel-lucent.com>
Cc: Jens Axboe <jens.axboe@oracle.com>, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org


[ added linux-ide@ to cc:, please use it for ATA questions ]

On Thursday 16 October 2008, gshan wrote:
> 
> > (please never send out html only emails, it's considered very bad style
> > on this list)
> >
> > Sounds like you need a quirk/blacklist entry for that drive, if it
> > doesn't support 0x00 as meaning 256 sectors. If you are using libata,
> > you can add a ATA_HORKAGE_MAX_SEC_128 entry to ata_device_blacklist[] in
> > drivers/ata/libata-core.c
> >   
> I'm using IDE driver instead of HD driver.

Then you need to add check for this device to ide_disk_setup()
(prior to blk_queue_max_sectors() call) in drivers/ide/ide-disk.c.

Thanks,
Bart