From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752220AbZHET57 (ORCPT ); Wed, 5 Aug 2009 15:57:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751252AbZHET56 (ORCPT ); Wed, 5 Aug 2009 15:57:58 -0400 Received: from cantor2.suse.de ([195.135.220.15]:60913 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751151AbZHET55 (ORCPT ); Wed, 5 Aug 2009 15:57:57 -0400 Date: Wed, 5 Aug 2009 21:57:57 +0200 From: Jan Kara To: Jens Axboe Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, chris.mason@oracle.com, david@fromorbit.com, hch@infradead.org, akpm@linux-foundation.org, jack@suse.cz, yanmin_zhang@linux.intel.com, richard@rsk.demon.co.uk, damien.wyart@free.fr, fweisbec@gmail.com, Alan.Brunelle@hp.com Subject: Re: [PATCH 6/9] writeback: allow sleepy exit of default writeback task Message-ID: <20090805195757.GE27505@duck.suse.cz> References: <1248989044-21605-1-git-send-email-jens.axboe@oracle.com> <1248989044-21605-7-git-send-email-jens.axboe@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1248989044-21605-7-git-send-email-jens.axboe@oracle.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu 30-07-09 23:24:01, Jens Axboe wrote: > Since we do lazy create of default writeback tasks for a bdi, we can > allow sleepy exit if it has been completely idle for 5 minutes. Maybe there should be a sysfs tunable to this? Honza -- Jan Kara SUSE Labs, CR