From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753377AbZE1W2P (ORCPT ); Thu, 28 May 2009 18:28:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751515AbZE1W2A (ORCPT ); Thu, 28 May 2009 18:28:00 -0400 Received: from brick.kernel.dk ([93.163.65.50]:37137 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751277AbZE1W2A (ORCPT ); Thu, 28 May 2009 18:28:00 -0400 Date: Fri, 29 May 2009 00:28:01 +0200 From: Jens Axboe To: Artem Bityutskiy Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, tytso@mit.edu, 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 Subject: Re: [PATCH 04/11] writeback: switch to per-bdi threads for flushing data Message-ID: <20090528222801.GF11363@kernel.dk> References: <1243511204-2328-1-git-send-email-jens.axboe@oracle.com> <1243511204-2328-5-git-send-email-jens.axboe@oracle.com> <4A1E9C13.7030406@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4A1E9C13.7030406@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 28 2009, Artem Bityutskiy wrote: > Jens Axboe wrote: >> +#define BDI_CAP_FLUSH_FORKER 0x00000200 > > Would it please be possible to add a comment about > what this flag is, and whether it is for internal > usage or not. Not immediately obvious for me. It's internal, probably I should just replace it with a check for &default_backing_dev_info. If not, I'll add a comment. -- Jens Axboe