Date: Fri, 10 Nov 2006 17:15:10 +0100
From: Jens Axboe <jens.axboe@oracle.com>
To: Monty Montgomery <monty@xiph.org>
Cc: Tejun Heo <htejun@gmail.com>, Brice Goglin <Brice.Goglin@ens-lyon.org>,
       Gregor Jasny <gjasny@googlemail.com>,
       Linux Kernel <linux-kernel@vger.kernel.org>,
       Jeff Garzik <jgarzik@pobox.com>, linux-ide@vger.kernel.org,
       Douglas Gilbert <dougg@torque.net>
Subject: Re: 2.6.19-rc3 system freezes when ripping with cdparanoia at ioctl(SG_IO)
Message-ID: <20061110161510.GC15031@kernel.dk>
References: <9d2cd630610291120l3f1b8053i5337cf3a97ba6ff0@mail.gmail.com> <20061030114503.GW4563@kernel.dk> <9d2cd630610300517q5187043eieb0880047ddd03eb@mail.gmail.com> <20061030132745.GE4563@kernel.dk> <4552F905.3020109@ens-lyon.org> <45533468.1060400@gmail.com> <806dafc20611091209s5864c9eam77a9290194de343d@mail.gmail.com>
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On Thu, Nov 09 2006, Monty Montgomery wrote:
> On 11/9/06, Tejun Heo <htejun@gmail.com> wrote:
> 
> >drivers/scsi/sg.c interprets SG_DXFER_TO_FROM_DEV as read while
> >block/scsi_ioctl.c interprets it as write.  I guess this is historic
> >thing (scsi/sg.c updated but block/scsi_ioctl.c is forgotten).
> 
> Not historic; Jens accidentally implemented it backwards.  No one
> noticed for a long time.  I submitted a patch for this a few months
> ago.

Yeah, I wonder why that did not go in, I remember the full breadth of
our discussion and you are fully correct. I'll make sure it gets into
2.6.19!

-- 
Jens Axboe

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