linux-kernel - Re: [PATCH 1/1] Drivers: scsi: storvsc: Add blist flags

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Date:	Wed, 23 Jul 2014 04:51:28 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Sitsofe Wheeler <sitsofe@...il.com>
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>, gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
	ohering@...e.com, apw@...onical.com, jasowang@...hat.com,
	jbottomley@...allels.com, hch@...radead.org,
	linux-scsi@...r.kernel.org
Subject: Re: [PATCH 1/1] Drivers: scsi: storvsc: Add blist flags

On Wed, Jul 23, 2014 at 11:04:48AM +0100, Sitsofe Wheeler wrote:
> OK I've just seen this as I was about to post a similar patch to get
> discard going on Hyper-V. Will your patches handle Hyper-V pass through devices
> that support discard? The SSD I have here reports the following in the Linux
> VM:

I didn't know hyperv also supports pass through, but it should work fine.
The only thing I'm worried about is real SCSI-2 devices or crappy USB
devices that don't support EVPD pages and might cause problems.  But
let's ignore that problem for now..

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