From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id 68C9D6B004F for ; Tue, 7 Jul 2009 05:50:03 -0400 (EDT) Received: from m4.gw.fujitsu.co.jp ([10.0.50.74]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id n67AX7Fk001566 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Tue, 7 Jul 2009 19:33:09 +0900 Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 89B0745DE7C for ; Tue, 7 Jul 2009 19:33:06 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 42E8F45DE70 for ; Tue, 7 Jul 2009 19:33:06 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 009D61DB8037 for ; Tue, 7 Jul 2009 19:33:05 +0900 (JST) Received: from m108.s.css.fujitsu.com (m108.s.css.fujitsu.com [10.249.87.108]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 970501DB803E for ; Tue, 7 Jul 2009 19:33:05 +0900 (JST) From: KOSAKI Motohiro Subject: Re: [PATCH] bump up nr_to_write in xfs_vm_writepage In-Reply-To: <20090707101946.GB1934@infradead.org> References: <20090707101946.GB1934@infradead.org> Message-Id: <20090707193015.7DCD.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Tue, 7 Jul 2009 19:33:04 +0900 (JST) Sender: owner-linux-mm@kvack.org To: Christoph Hellwig Cc: kosaki.motohiro@jp.fujitsu.com, Olaf Weber , Eric Sandeen , xfs mailing list , linux-mm@kvack.org, "MASON, CHRISTOPHER" List-ID: > On Tue, Jul 07, 2009 at 11:07:30AM +0200, Olaf Weber wrote: > > If the nr_to_write calculation really yields a value that is too > > small, shouldn't it be fixed elsewhere? > > In theory it should. But given the amazing feedback of the VM people > on this I'd rather make sure we do get the full HW bandwith on large > arrays instead of sucking badly and not just wait forever. At least, I agree with Olaf. if you got someone's NAK in past thread, Could you please tell me its url? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org