linux-kernel - RE: [PATCH RESEND 0000/0002] drivers: scsi: storvsc

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Message-ID: <6E21E5352C11B742B20C142EB499E0481B767CB5@TK5EX14MBXC126.redmond.corp.microsoft.com>
Date:	Mon, 19 Mar 2012 00:01:17 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	KY Srinivasan <kys@...rosoft.com>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>,
	"ohering@...e.com" <ohering@...e.com>,
	"jbottomley@...allels.com" <jbottomley@...allels.com>,
	"hch@...radead.org" <hch@...radead.org>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>
Subject: RE: [PATCH RESEND  0000/0002] drivers: scsi: storvsc 

Please drop these two patches. It looks like I sent out the wrong set of patches.
I will send the ones I wanted to send shortly.

Regards,

K. Y

> -----Original Message-----
> From: K. Y. Srinivasan [mailto:kys@...rosoft.com]
> Sent: Sunday, March 18, 2012 4:00 PM
> To: gregkh@...uxfoundation.org; linux-kernel@...r.kernel.org;
> devel@...uxdriverproject.org; virtualization@...ts.osdl.org; ohering@...e.com;
> jbottomley@...allels.com; hch@...radead.org; linux-scsi@...r.kernel.org
> Cc: KY Srinivasan
> Subject: [PATCH RESEND 0000/0002] drivers: scsi: storvsc
> 
> 
> The current Windows hosts only handle a subset of scsi commands
> sent from the guest and for commands that are not supported, they are
> filtered on the host side a generic failure is returned to the guest
> as SRB status. The returned error code does not permit the guest to
> figure out if there was an error or if the command was not supported.
> 
> Based on the input I got from the community, I have convinced the windows
> developers to return an error code that allows the guest to distinguish between
> unsupported command and true failures. However, it is not clear when this fix
> will
> be shipped.
> 
> This patch set addresses this issue by filtering the ATA_16 command on the guest
> (note that currently the host is filtering this command as it is not supported).
> I also have a patch here the correctly handles SRB_STATUS_INVALID_REQUEST
> error returns - note that the current windows hosts don't return this today.
> 
> This is a resend of the patches sent earlier based on suggestions from
> Jeff Garzik <jgpobox@...il.com> and Douglas Gilbert <dgilbert@...erlog.com>.
> 
> 
> Regards,
> 
> K. Y


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