From: Jens Axboe <axboe@suse.de>
To: Pat LaVarre <p.lavarre@ieee.org>
Cc: dougg@torque.net, linux-scsi@vger.kernel.org
Subject: Re: sense visible despite ide-floppy in 2.6 maybe
Date: Fri, 11 Jun 2004 11:24:16 +0200 [thread overview]
Message-ID: <20040611092416.GU13836@suse.de> (raw)
In-Reply-To: <1086805796.3741.5.camel@patibmrh9>
On Wed, Jun 09 2004, Pat LaVarre wrote:
> Jens A:
>
> > a) kernel.org 2.6.7-rc3 plus the patch of this thread,
> > b) PATAPI drive connected as /dev/hdd,
> > c) open of /dev/hdd with flags O_NONBLOCK|O_RDWR, ioctl SG_IO
> > d) cdb = x 1B 00:00:00 00 00 // Stop
> > e) cdb = x 1B 00:00:00 01 00 // Start
>
> Yes now "Hn" (i.e. expecting no data) works here, every time I try.
Good
> > For data transfer, it's more tricky. Well actually, if you restrict
> > yourself to non-bio backed request, then it becomes pretty trivial!
> > ide-floppy expects a contig buffer, a bio is scattered by nature.
>
> Yes "Hi" (i.e. expecting data in) gives me zeroes.
Not so good... I'll take a 2nd look and get you something to test,
unfortunately I cannot test here as I have no atapi floppy drives.
--
Jens Axboe
next prev parent reply other threads:[~2004-06-11 9:24 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-08 15:53 sense visible despite ide-floppy in 2.6 maybe Pat LaVarre
2004-06-09 8:00 ` Jens Axboe
2004-06-09 8:20 ` Jens Axboe
2004-06-09 16:22 ` Pat LaVarre
2004-06-09 17:37 ` Jens Axboe
2004-06-09 18:29 ` Pat LaVarre
2004-06-09 18:51 ` Pat LaVarre
2004-06-09 23:30 ` Pat LaVarre
2004-06-11 9:30 ` Jens Axboe
2004-06-11 9:38 ` Jens Axboe
2004-06-13 18:48 ` Pat LaVarre
2004-06-13 19:58 ` Jens Axboe
2004-06-11 9:24 ` Jens Axboe
2004-06-11 9:24 ` Jens Axboe [this message]
2004-06-11 0:23 ` Douglas Gilbert
2004-06-11 2:08 ` Willem Riede
2004-06-13 18:21 ` Pat LaVarre
2004-06-13 19:06 ` Pat LaVarre
2004-06-14 6:39 ` Douglas Gilbert
2004-06-13 20:00 ` Jens Axboe
2004-06-17 19:03 ` Pat LaVarre
2004-06-17 19:12 ` Jens Axboe
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