Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760720AbXKBBdq (ORCPT ); Thu, 1 Nov 2007 21:33:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755582AbXKBBd1 (ORCPT ); Thu, 1 Nov 2007 21:33:27 -0400 Received: from smtp.ustc.edu.cn ([202.38.64.16]:51879 "HELO ustc.edu.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1753350AbXKBBdZ (ORCPT ); Thu, 1 Nov 2007 21:33:25 -0400 Message-ID: <393967208.19783@ustc.edu.cn> X-EYOUMAIL-SMTPAUTH: wfg@mail.ustc.edu.cn Date: Fri, 2 Nov 2007 09:33:21 +0800 From: Fengguang Wu To: Florin Iucha Cc: Linux Kernel Mailing List , Peter Zijlstra Subject: Re: pdflush stuck in D state with v2.6.24-rc1-192-gef49c32 References: <20071031000242.GP25561@iucha.net> <20071031035245.GQ25561@iucha.net> <20071031121606.GR25561@iucha.net> <20071031175318.GU25561@iucha.net> <20071101122558.GX25561@iucha.net> <20071101141414.GZ25561@iucha.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071101141414.GZ25561@iucha.net> X-GPG-Fingerprint: 53D2 DDCE AB5C 8DC6 188B 1CB1 F766 DA34 8D8B 1C6D User-Agent: Mutt/1.5.16 (2007-06-11) Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1363 Lines: 40 On Thu, Nov 01, 2007 at 09:14:14AM -0500, Florin Iucha wrote: > On Thu, Nov 01, 2007 at 09:03:33PM +0800, Fengguang Wu wrote: > > Or will the system or fs size/age make any difference? If you happen > > to have a spare/swap partition, could you make a new reiserfs and > > mount it and copy several less-than-4KB files into it and wait for 30s > > and see what happen to pdflush? > > I will try that with a USB disk - I hope that won't make a difference. Thank you. I guess a reiserfs on loop file would also be OK. > > btw, what's the exact kernel version you are running? > > I noticed it with the kernel in the $SUBJECT, as reported by 'git > describe'. I have pulled in new changesets since then. And with the following patch applied? --- fs/reiserfs/stree.c | 3 --- 1 file changed, 3 deletions(-) --- linux-2.6.24-git17.orig/fs/reiserfs/stree.c +++ linux-2.6.24-git17/fs/reiserfs/stree.c @@ -1458,9 +1458,6 @@ static void unmap_buffers(struct page *p } bh = next; } while (bh != head); - if (PAGE_SIZE == bh->b_size) { - cancel_dirty_page(page, PAGE_CACHE_SIZE); - } } } } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/