From: Ric Wheeler Subject: Re: [PATCH 2/2] ext4: Automatically enable journal_async_commit on ext4 file systems Date: Mon, 07 Sep 2009 19:42:58 -0400 Message-ID: <4AA59A82.9090502@gmail.com> References: <1252189963-23868-1-git-send-email-tytso@mit.edu> <1252189963-23868-2-git-send-email-tytso@mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Ext4 Developers List To: Theodore Ts'o Return-path: Received: from mail-qy0-f181.google.com ([209.85.221.181]:47560 "EHLO mail-qy0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752793AbZIGXm5 (ORCPT ); Mon, 7 Sep 2009 19:42:57 -0400 Received: by qyk11 with SMTP id 11so2358583qyk.1 for ; Mon, 07 Sep 2009 16:43:00 -0700 (PDT) In-Reply-To: <1252189963-23868-2-git-send-email-tytso@mit.edu> Sender: linux-ext4-owner@vger.kernel.org List-ID: Theodore Ts'o wrote: > Now that we have cleaned up journal_async_commit, it's safe to enable > it all the time. But we only want to do so if ext4-specific INCOMPAT > features are enabled, since otherwise we will prevent the filesystem > from being mounted using ext3. > > Signed-off-by: "Theodore Ts'o" > --- > Hi Ted, I am not sure that we are really good with ASYNC commit being on all of the time - I really worry that we will see lots of issues. Can we leave it off by default until we get some run time on it? Ric