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 p6QMfduD146275 for ; Tue, 26 Jul 2011 17:41:39 -0500 Subject: Re: [PATCH 1/3] xfs: flag all buffers as metadata From: Alex Elder In-Reply-To: <20110726224016.GA10394@infradead.org> References: <20110726150633.GA17400@infradead.org> <20110726150644.GA18000@infradead.org> <1311719935.11557.12.camel@doink> <20110726224016.GA10394@infradead.org> Date: Tue, 26 Jul 2011 17:41:37 -0500 Message-ID: <1311720097.11557.16.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: Christoph Hellwig Cc: xfs@oss.sgi.com On Tue, 2011-07-26 at 18:40 -0400, Christoph Hellwig wrote: > On Tue, Jul 26, 2011 at 05:38:55PM -0500, Alex Elder wrote: > > On Tue, 2011-07-26 at 11:06 -0400, Christoph Hellwig wrote: > > > Now that REQ_META bios aren't treated specially in the CFQ I/O schedule > > > anymore, we can tag all buffers as metadata to make blktrace traces more > > > meaningful. Note that we use buffers also to zero out partial blocks > > > in the preallocation / hole punching code, and while they operate on > > > data blocks the zeros written certainly aren't data. I think this case > > > is borderline metadata enough to not bother special casing it. > > > > > > Signed-off-by: Christoph Hellwig > > > > This looks good. I plan to re-base the xfs master branch > > after 3.1-rc1 is out, so I'll wait until after that to > > commit this (and the others in this series). > > I'd prefer to get it out to Linus ASAP after some review. Just > committing it to for-linus for now and later rebasing master on top > should do fine for that. OK, fine with me. I'll get that process started this evening. -Alex _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs