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Date:	Thu, 10 Jul 2014 03:17:13 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	KY Srinivasan <kys@...rosoft.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"ohering@...e.com" <ohering@...e.com>,
	"jbottomley@...allels.com" <jbottomley@...allels.com>,
	"jasowang@...hat.com" <jasowang@...hat.com>,
	"apw@...onical.com" <apw@...onical.com>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH 7/8] drivers: scsi: storvsc: Set srb_flags in all cases

On Wed, Jul 09, 2014 at 06:40:09PM +0000, KY Srinivasan wrote:
> > On Tue, Jul 08, 2014 at 05:46:51PM -0700, K. Y. Srinivasan wrote:
> > > Correctly set SRB flags for all valid I/O directions. Some IHV drivers
> > > on the Windows host require this.
> > 
> > What are IHV drivers?
> 
> If the target is a SAN device, the host simply passes the request over to the native driver stack on the host. Some specific hardware (IHV - independent hadware vendor) drivers on Windows require that SRB flags be correctly set in all cases.
> 

I'm fine with putting this in, but treating I/O request from guests as
trusted in a hypervisor doesn't seem like a good idea in general..

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