X-Spam-Checker-Version: SpamAssassin 3.4.0-r929098 (2010-03-30) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham version=3.4.0-r929098 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 o4LL3jjR030732 for ; Fri, 21 May 2010 16:03:45 -0500 Received: from cf--amer001e--3.americas.sgi.com (cf--amer001e--3.americas.sgi.com [137.38.100.5]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6D630AC055; Fri, 21 May 2010 14:06:04 -0700 (PDT) Received: from [128.162.232.197] ([128.162.232.197]) by cf--amer001e--3.americas.sgi.com with Microsoft SMTPSVC(6.0.3790.3959); Fri, 21 May 2010 16:06:03 -0500 Subject: Re: [PATCH 09/12] xfs: Introduce delayed logging core code From: Alex Elder Reply-To: aelder@sgi.com To: Dave Chinner Cc: xfs@oss.sgi.com In-Reply-To: <1274138668-1662-10-git-send-email-david@fromorbit.com> References: <1274138668-1662-1-git-send-email-david@fromorbit.com> <1274138668-1662-10-git-send-email-david@fromorbit.com> Content-Type: text/plain; charset="UTF-8" Date: Fri, 21 May 2010 16:06:03 -0500 Message-ID: <1274475963.2255.42.camel@doink> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 21 May 2010 21:06:03.0991 (UTC) FILETIME=[6C542670:01CAF929] X-Virus-Scanned: ClamAV version 0.94.2, clamav-milter version 0.94.2 on oss.sgi.com X-Virus-Status: Clean On Tue, 2010-05-18 at 09:24 +1000, Dave Chinner wrote: > From: Dave Chinner > > The delayed logging code only changes in-memory structures and as > such can be enabled and disabled with a mount option. Add the mount > option and emit a warning that this is an experimental feature that > should not be used in production yet. I gave this a careful review. I am a little surprised at how nicely you could stitch this in, leveraging the existing code, while still supporting the "old" logging model. Anyway, I found some nits but no bugs so I'm not going to bother mentioning them here. Reviewed-by: Alex Elder . . . > the necessary synchronisation for correct operation in both cases. > > Signed-off-by: Dave Chinner > Reviewed-by: Christoph Hellwig > ---