linux-kernel - RE: [PATCH] scsi:storvsc enable reading from VPD pages on SPC-2

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Message-ID: <BL2PR03MB132331596398113A8F15B45CE620@BL2PR03MB132.namprd03.prod.outlook.com>
Date:	Wed, 10 Dec 2014 22:33:26 +0000
From:	Long Li <longli@...rosoft.com>
To:	Sitsofe Wheeler <sitsofe@...il.com>
CC:	KY Srinivasan <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	"JBottomley@...allels.com" <JBottomley@...allels.com>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] scsi:storvsc enable reading from VPD pages on SPC-2

> -----Original Message-----
> From: Sitsofe Wheeler [mailto:sitsofe@...il.com]
> Sent: Wednesday, December 10, 2014 12:58 PM
> To: Long Li
> Cc: KY Srinivasan; Haiyang Zhang; JBottomley@...allels.com; linux-
> scsi@...r.kernel.org; devel@...uxdriverproject.org; linux-
> kernel@...r.kernel.org
> Subject: Re: [PATCH] scsi:storvsc enable reading from VPD pages on SPC-2
> 
> On Wed, Dec 10, 2014 at 12:38:25AM -0800, Long Li wrote:
> > MSFT targets currently claim SPC-2 compliance while they implement
> > post SPC-2 features. With this patch we can correctly handle
> > WRITE_SAME_16 issues.
> >
> > This patch fixes an issue where the flag is setup too late in drive
> > initialization process.
> 
> Li, is this a fix for the issue I keep whinging about over in
> https://lkml.org/lkml/2014/10/21/23 ?
> 
> If is the same issue you may want to CC Martin on this...

This is only for fixing WRITE_SAME_16. The rest of the thin provisioning (e.g. UNMAP) is still broken on SPC-2.

> 
> --
> Sitsofe | http://sucs.org/~sits/
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