From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756485AbaGWLvh (ORCPT ); Wed, 23 Jul 2014 07:51:37 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:51089 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751301AbaGWLvg (ORCPT ); Wed, 23 Jul 2014 07:51:36 -0400 Date: Wed, 23 Jul 2014 04:51:28 -0700 From: Christoph Hellwig To: Sitsofe Wheeler Cc: "K. Y. Srinivasan" , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, ohering@suse.com, apw@canonical.com, jasowang@redhat.com, jbottomley@parallels.com, hch@infradead.org, linux-scsi@vger.kernel.org Subject: Re: [PATCH 1/1] Drivers: scsi: storvsc: Add blist flags Message-ID: <20140723115128.GB16881@infradead.org> References: <1405983961-18782-1-git-send-email-kys@microsoft.com> <20140723100448.GA2540@sucs.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140723100448.GA2540@sucs.org> User-Agent: Mutt/1.5.23 (2014-03-12) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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..