From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 1/4] sg: disable SET_FORCE_LOW_DMA
Date: Fri, 3 Feb 2017 11:23:10 +0100
Message-ID: <20170203102310.GA29163@lst.de>
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To: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Hannes Reinecke <hare@suse.de>, "Martin K. Petersen" <martin.petersen@oracle.com>, Christoph Hellwig <hch@lst.de>, James Bottomley <james.bottomley@hansenpartnership.com>, Johannes Thumshirn <jth@kernel.org>, Doug Gilberg <dgilbert@interlog.com>, linux-scsi@vger.kernel.org, Hannes Reinecke <hare@suse.com>

On Fri, Feb 03, 2017 at 10:32:28AM +0100, Johannes Thumshirn wrote:
> I'm not sure if returning a bogus '0' is better here to not break any 
> existing application, which assumed it always worked.

Agreed, this should return 0, and maybe also print a (ratelimited)
warning.