From: Tejun Heo Subject: Re: [KNOWN BUGGY RFC PATCH 4/3] block: skip elevator initialization for flush requests Date: Wed, 26 Jan 2011 11:05:37 +0100 Message-ID: <20110126100537.GD12520@htj.dyndns.org> References: <1295625598-15203-1-git-send-email-tj@kernel.org> <1295625598-15203-4-git-send-email-tj@kernel.org> <20110125204158.GA3013@redhat.com> <20110126100322.GC12520@htj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: axboe@kernel.dk, tytso@mit.edu, djwong@us.ibm.com, shli@kernel.org, neilb@suse.de, adilger.kernel@dilger.ca, jack@suse.cz, linux-kernel@vger.kernel.org, kmannth@us.ibm.com, cmm@us.ibm.com, linux-ext4@vger.kernel.org, rwheeler@redhat.com, hch@lst.de, josef@redhat.com, jmoyer@redhat.com To: Mike Snitzer Return-path: Received: from mail-fx0-f46.google.com ([209.85.161.46]:45589 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752134Ab1AZKGb (ORCPT ); Wed, 26 Jan 2011 05:06:31 -0500 Content-Disposition: inline In-Reply-To: <20110126100322.GC12520@htj.dyndns.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Wed, Jan 26, 2011 at 11:03:22AM +0100, Tejun Heo wrote: > Also, it would be great to better describe the lifetime difference > between the first and the second unions and why it has be organized > this way (rb_node and completion_data can live together but rb_node > and flush can't). Oops, what can't live together are elevator_private* and completion_data. Thanks. -- tejun