Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752837Ab1B1Itm (ORCPT ); Mon, 28 Feb 2011 03:49:42 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:44235 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752520Ab1B1Itk (ORCPT ); Mon, 28 Feb 2011 03:49:40 -0500 Date: Mon, 28 Feb 2011 03:49:29 -0500 From: Christoph Hellwig To: Andreas Dilger Cc: "djwong@us.ibm.com" , Jens Axboe , linux-kernel , "linux-fsdevel@vger.kernel.org" , Mingming Cao , linux-scsi Subject: Re: [RFC] block integrity: Fix write after checksum calculation problem Message-ID: <20110228084929.GA27227@infradead.org> References: <20110222020022.GH32261@tux1.beaverton.ibm.com> <180713DB-114C-454B-A91E-063AB0116251@dilger.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <180713DB-114C-454B-A91E-063AB0116251@dilger.ca> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 534 Lines: 11 On Tue, Feb 22, 2011 at 09:13:49AM -0700, Andreas Dilger wrote: > Can you please attach your reproducer? IIRC it needed mmap() to hit this problem? Did you measure CPU usage during your testing? Running XFSQA on a DIF target reproduces it. Even scsi_debug in the right mode is enough. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/