From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o6I4s5Sm119849 for ; Sat, 17 Jul 2010 23:54:06 -0500 Received: from bombadil.infradead.org (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id C8E6D447D48 for ; Sat, 17 Jul 2010 21:57:04 -0700 (PDT) Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) by cuda.sgi.com with ESMTP id qbFSnJB98rAnFoUJ for ; Sat, 17 Jul 2010 21:57:04 -0700 (PDT) Date: Sun, 18 Jul 2010 00:57:02 -0400 From: Christoph Hellwig Subject: Re: XFS hung on 2.6.33.3 kernel Message-ID: <20100718045702.GB6282@infradead.org> References: <20100718012033.GA18888@dastard> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20100718012033.GA18888@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 Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Dave Chinner Cc: Ilia Mirkin , xfs@oss.sgi.com On Sun, Jul 18, 2010 at 11:20:33AM +1000, Dave Chinner wrote: > So, back to the situation with the WARN_ON(). You're running > applications that are doing something that: > > a) is not supported; > b) compromises data integrity guarantees; > c) is not reliably reported; and > d) might be causing hangs > > Right now I'm not particularly inclined to dig into this further; > it's obvious the applications are doing something that is not > supported (by XFS or the generic page cache code), so this is the > first thing you really need to care about getting fixed if you value > your backups... While it's slightly crazy it's also a pretty easy way for users to shoot themselve in their feet. Unlike the generic filesystems with their simplistic i_mutex locking we have a way to assure this works properly in XFS with the shared/exclusive iolock, so I'm willing to look into this further. Ilia, would you be willing to test patches for this? _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs