From: Jens Axboe <axboe@suse.de>
To: James Bottomley <James.Bottomley@SteelEye.com>
Cc: Andrew Morton <akpm@osdl.org>,
SCSI Mailing List <linux-scsi@vger.kernel.org>,
aradford@amcc.com, Nick Orlov <bugfixer@list.ru>
Subject: Re: Fw: 2.6.12-mm2: 3ware SATA RAID inaccessible
Date: Tue, 28 Jun 2005 10:25:11 +0200 [thread overview]
Message-ID: <20050628082509.GA4410@suse.de> (raw)
In-Reply-To: <1119829031.5038.15.camel@mulgrave>
On Sun, Jun 26 2005, James Bottomley wrote:
> +static void tw_unmap_internal(TW_Device_Extension *tw_dev, int request_id)
> +{
> + struct scsi_cmnd *cmd = tw_dev->srb[request_id];
> +
> + if (cmd->use_sg) {
> + struct scatterlist *sg;
> +
> + sg = (struct scatterlist *)cmd->request_buffer;
> + kunmap_atomic(sg->page, KM_USER0);
Woops. You have to pass the mapped buffer back in, kunmap_atomic() takes
the returned buffer from kmap_atomic() not the page mapped. Silly yes,
but that is how it is...
--
Jens Axboe
prev parent reply other threads:[~2005-06-28 8:24 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-26 22:39 Fw: 2.6.12-mm2: 3ware SATA RAID inaccessible Andrew Morton
2005-06-26 23:37 ` James Bottomley
2005-06-27 4:46 ` Nick Orlov
2005-06-27 14:22 ` James Bottomley
2005-06-28 2:08 ` Nick Orlov
2005-06-28 4:05 ` James Bottomley
2005-06-28 11:02 ` Nick Orlov
2005-06-28 12:09 ` Jens Axboe
2005-06-28 14:18 ` James Bottomley
2005-06-28 14:23 ` Jens Axboe
2005-06-29 1:58 ` Nick Orlov
2005-06-27 7:52 ` Jens Axboe
2005-06-27 14:22 ` James Bottomley
2005-06-27 14:27 ` Jens Axboe
2005-06-28 8:25 ` Jens Axboe [this message]
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