From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 80711] [PATCH]SG_FLAG_LUN_INHIBIT is no longer implemented and
there's not way to prevent the kernel from using the 2nd cdb byte for the LUN
Date: Fri, 22 Aug 2014 15:26:26 +0000
Message-ID:
References:
Mime-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Return-path:
Received: from mail.kernel.org ([198.145.19.201]:59162 "EHLO mail.kernel.org"
rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
id S1756579AbaHVP03 (ORCPT );
Fri, 22 Aug 2014 11:26:29 -0400
Received: from mail.kernel.org (localhost [127.0.0.1])
by mail.kernel.org (Postfix) with ESMTP id 84B52201BF
for ; Fri, 22 Aug 2014 15:26:28 +0000 (UTC)
Received: from bugzilla1.web.kernel.org (bugzilla1.web.kernel.org [172.20.200.51])
by mail.kernel.org (Postfix) with ESMTP id D8A3B2017A
for ; Fri, 22 Aug 2014 15:26:26 +0000 (UTC)
In-Reply-To:
Sender: linux-scsi-owner@vger.kernel.org
List-Id: linux-scsi@vger.kernel.org
To: linux-scsi@vger.kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=80711
--- Comment #16 from Alan Stern ---
On Fri, 22 Aug 2014, Christoph Hellwig wrote:
> On Fri, Aug 22, 2014 at 10:53:42AM -0400, Alan Stern wrote:
> > Good idea. An enhanced patch is below. If I can get a Tested-By: from
> > Tiziano and one or two Acked-By: responses, I'll submit this for the
> > current and stable kernels.
> >
> > Sending the initial INQUIRY command to LUNs larger than 0 involves a
> > chicken-and-egg problem -- we don't know whether to fill in the LUN
> > bits in the command until we know the SCSI level, and we don't know the
> > SCSI level until the INQUIRY response is received. The solution we
> > have been using is to store the most recently discovered level in the
> > target structure, and use it as a default. If probing starts with LUN
> > 0, and if all the LUNs have similar levels, this ought to work.
> >
> > Except for one thing: The code does store the default level in the
> > scsi_target, but forgets to copy it back into each newly allocated
> > scsi_device! I added a line to do that into the patch.
>
> Looks good to me,
>
> Acked-by: Christoph Hellwig
>
> Do you want to queue this up in the USB tree? From the looks of what I
> have on my plate so far it seems like we could avoid conflicts with it
> in the SCSI tree.
After hearing from Tiziano, I'll submit the patch to the SCSI tree.
Alan Stern
--
You are receiving this mail because:
You are the assignee for the bug.