From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: [PATCH 0/11] Per-bdi writeback flusher threads #4 Date: Mon, 25 May 2009 10:06:25 +0200 Message-ID: <20090525080625.GM11363@kernel.dk> References: <1242811142.2560.33.camel@ymzhang> <20090520092528.GP11363@kernel.dk> <20090520111910.GS11363@kernel.dk> <1242887627.2560.45.camel@ymzhang> <20090521091033.GA6987@duck.suse.cz> <1242955708.2560.52.camel@ymzhang> <20090522081539.GM11363@kernel.dk> <20090522204401.GQ11363@kernel.dk> <20090523191500.GV11363@kernel.dk> <1243238558.2560.99.camel@ymzhang> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jan Kara , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, chris.mason@oracle.com, david@fromorbit.com, hch@infradead.org, akpm@linux-foundation.org To: "Zhang, Yanmin" Return-path: Received: from brick.kernel.dk ([93.163.65.50]:50529 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752023AbZEYIGY (ORCPT ); Mon, 25 May 2009 04:06:24 -0400 Content-Disposition: inline In-Reply-To: <1243238558.2560.99.camel@ymzhang> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Mon, May 25 2009, Zhang, Yanmin wrote: > On Sat, 2009-05-23 at 21:15 +0200, Jens Axboe wrote: > > On Fri, May 22 2009, Jens Axboe wrote: > > > Please try with this combined patch against what you are running now, it > > > should resolve the issue. It needs a bit more work, but I'm running out > > > of time today. I'l get it finalized, cleaned up, and integrated. Then > > > I'll post a new revision of the patch set. > > > > > > > This one has been tested good and has a few more tweaks. So please try > > that! It should be pretty close to final now, will repost the series on > > monday. > I ran the workload for 10 times and didn't trigger it yet. So the bug is > fixed. Goodness, thanks for retesting. Can you share some performance comparisons and what hw/storage you are running it on? The v5/v6 posting includes these fixes, so it should work fine now. -- Jens Axboe