From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: [PATCH 01/13] buffer: switch do_emergency_thaw() away from pdflush_operation() Date: Wed, 8 Apr 2009 15:08:32 +0200 Message-ID: <20090408130832.GA5178@kernel.dk> References: <1239192016-19857-1-git-send-email-jens.axboe@oracle.com> <1239192016-19857-2-git-send-email-jens.axboe@oracle.com> <20090408130346.GA12156@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, chris.mason@oracle.com, david@fromorbit.com, akpm@linux-foundation.org, jack@suse.cz To: Christoph Hellwig Return-path: Received: from brick.kernel.dk ([93.163.65.50]:37749 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932996AbZDHNIe (ORCPT ); Wed, 8 Apr 2009 09:08:34 -0400 Content-Disposition: inline In-Reply-To: <20090408130346.GA12156@infradead.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Wed, Apr 08 2009, Christoph Hellwig wrote: > On Wed, Apr 08, 2009 at 02:00:04PM +0200, Jens Axboe wrote: > > This is (again) a preparatory patch similar to commit > > a2a9537ac0b37a5da6fbe7e1e9cb06c524d2a9c4. It open codes a simple > > async way of executing do_thaw_all() out of context, so we can get > > rid of pdflush. > > Any good reason this isn't pushed upstream for 2.6.30 yet? The previous ones ARE in 2.6.30-rc1, but this one got added after 2.6.29 was released. I'll push this one, too. > And if someone is inclined to clean up this area some generic way to > run sysrq tasks in user context would be great, as a lot of them need > to. -- Jens Axboe