From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH] SCSI: Add a blacklist flag which enables VPD page inquiries Date: Fri, 18 Jul 2014 08:04:06 -0700 Message-ID: <20140718150406.GA29709@infradead.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from bombadil.infradead.org ([198.137.202.9]:58225 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758210AbaGRPEH (ORCPT ); Fri, 18 Jul 2014 11:04:07 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "Martin K. Petersen" Cc: linux-scsi@vger.kernel.org, KY Srinivasan On Tue, Jul 15, 2014 at 12:49:17PM -0400, Martin K. Petersen wrote: > > Despite supporting modern SCSI features some storage devices continue to > claim conformance to an older version of the SPC spec. This is done for > compatibility with legacy operating systems. > > Linux by default will not attempt to read VPD pages on devices that > claim SPC-2 or older. Introduce a blacklist flag that can be used to > trigger VPD page inquiries on devices that are known to support them. > > Reported-by: KY Srinivasan > Tested-by: KY Srinivasan > Signed-off-by: Martin K. Petersen > CC: Looks good, Reviewed-by: Christoph Hellwig KY, can you send a hyperv patch that sets it to go along with this one?