From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id p68J4HGu262067 for ; Fri, 8 Jul 2011 14:04:17 -0500 Subject: Re: [PATCH 4/4] xfstests: add mapped write fsx operations to 091 From: Alex Elder In-Reply-To: <1310086426-30605-5-git-send-email-david@fromorbit.com> References: <1310086426-30605-1-git-send-email-david@fromorbit.com> <1310086426-30605-5-git-send-email-david@fromorbit.com> Date: Fri, 8 Jul 2011 14:04:12 -0500 Message-ID: <1310151852.3024.39.camel@doink> MIME-Version: 1.0 Reply-To: aelder@sgi.com 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 Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Dave Chinner Cc: xfs@oss.sgi.com On Fri, 2011-07-08 at 10:53 +1000, Dave Chinner wrote: > From: Dave Chinner > > The recent busted fsx updates caused fsx to execute fsx with direct > IO and mmapped reads and writes on an XFS filesystem. The result > uncovered a direct-IO write vs mmap read bug to do with EOF > sub-block zeroing on the direct IO write. > > Hence whiel we do not recommend that pepole mix DIO with mmap on the > same file, we should at least have tests that exercise it as they > often show up other problems like this. > > > Signed-off-by: Dave Chinner Good idea. Reviewed-by: Alex Elder _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs