From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: [PATCH] scsi_debug: Thin provisioning support Date: Thu, 29 Oct 2009 22:33:56 -0400 Message-ID: References: <20091029070949.GA22077@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from rcsinet11.oracle.com ([148.87.113.123]:37208 "EHLO rgminet11.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756986AbZJ3Cfy (ORCPT ); Thu, 29 Oct 2009 22:35:54 -0400 In-Reply-To: <20091029070949.GA22077@infradead.org> (Christoph Hellwig's message of "Thu, 29 Oct 2009 03:09:49 -0400") Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Christoph Hellwig Cc: "Martin K. Petersen" , linux-scsi@vger.kernel.org >>>>> "Christoph" == Christoph Hellwig writes: Christoph> Just started testing this my fs discard support and I noticed Christoph> that you track the mapping state globally. Given that Christoph> scsi_debug supports multiple devices that seems rather Christoph> suboptimal. Well, that's how scsi_debug works -- the devices all use the same buffer. Having a per-device backing store is on my todo list. -- Martin K. Petersen Oracle Linux Engineering