linux-kernel - Re: [PATCH] scsi: libiscsi: fix shifting of DID

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Message-ID: <20171009143335.l7ilixy46op5ipbx@linux-x5ow.site>
Date:   Mon, 9 Oct 2017 16:33:35 +0200
From:   Johannes Thumshirn <jthumshirn@...e.de>
To:     Steffen Maier <maier@...ux.vnet.ibm.com>
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>,
        Linux SCSI Mailinglist <linux-scsi@...r.kernel.org>,
        Lee Duncan <lduncan@...e.com>, Hannes Reinecke <hare@...e.de>,
        Bart Van Assche <Bart.VanAssche@...disk.com>,
        Chris Leech <cleech@...hat.com>
Subject: Re: [PATCH] scsi: libiscsi: fix shifting of DID_REQUEUE host byte

On Mon, Oct 09, 2017 at 02:35:06PM +0200, Steffen Maier wrote:
> Use wrapper functions to advertize their use in an attempt to avoid wrong
> shifting in the future?

After a second thought and a bit of coccinelle magic I converted all drivers
under drivers/scsi to use set_host_byte(), msg and driver byte will follow as
well.

But all this is on top of this patch, which IMHO is stable material (we had an
actual customer bug with this).

Byte,
	Johannes
-- 
Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
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