From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B72277F50 for ; Thu, 14 Nov 2013 07:37:58 -0600 (CST) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id A1D6F8F8050 for ; Thu, 14 Nov 2013 05:37:58 -0800 (PST) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by cuda.sgi.com with ESMTP id OGNSGynpW4lDNi8m (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 14 Nov 2013 05:37:54 -0800 (PST) Date: Thu, 14 Nov 2013 05:37:49 -0800 From: Christoph Hellwig Subject: Re: [PATCH RFC] xfs: set block device logical sector size on xfs_buftarg Message-ID: <20131114133749.GA26268@infradead.org> References: <5283C41D.7070503@redhat.com> <20131113185645.GA20869@infradead.org> <5283CE2E.2070702@sandeen.net> <20131113212658.GJ6188@dastard> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20131113212658.GJ6188@dastard> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Dave Chinner Cc: Christoph Hellwig , Eric Sandeen , Eric Sandeen , xfs-oss On Thu, Nov 14, 2013 at 08:26:58AM +1100, Dave Chinner wrote: > Seems like that's the avenue for improvement here to me. i.e. expose > the correct values to the guest so it's mkfs does the right thing. > Or, alternatively, make qemu buffer non-aligned/sized IOs itself > internally. I've implemented the support to expose these to the guest in qemu years ago. But the problem remains that this is information which needs to be attached to the image, which can't really work with raw images, and no one has bother to implement the support to store it for say qcow2. _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs