Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754160AbZLANZi (ORCPT ); Tue, 1 Dec 2009 08:25:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754125AbZLANZi (ORCPT ); Tue, 1 Dec 2009 08:25:38 -0500 Received: from mail-px0-f174.google.com ([209.85.216.174]:60958 "EHLO mail-px0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754064AbZLANZh (ORCPT ); Tue, 1 Dec 2009 08:25:37 -0500 X-Greylist: delayed 494 seconds by postgrey-1.27 at vger.kernel.org; Tue, 01 Dec 2009 08:25:36 EST DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:references:subject:message-id:x-mailer:mime-version :content-type:content-transfer-encoding; b=DbAqCSMXNB0qUT10kUeveHKMGlvZO3DaMiaropzq2zL7vXGJvo2m6HSa1Yyi7ciIMa Hvt6c0iNuEKCn3tgUHYc6hKC3ctWIbsibsKPJUsgF4mBguF6Zp8AWbFdNpz0tAe+4Jxc vhutWcHsnaAxPpJhcGyaGgZ+sBEWW1pwd3LIQ= Date: Tue, 1 Dec 2009 21:21:32 +0800 From: "Liuweni" To: "Matthew Wilcox" Cc: "strongzgy" , "xgr178" , "Liu Hui" , "viro" , "akpm" , "jack" , "npiggin" , "linux-fsdevel" , "linux-kernel" References: <200911252209432039291@gmail.com>, <20091125141505.GH9482@parisc-linux.org>, , <20091125195256.GL9482@parisc-linux.org>, , <20091201120337.GV9482@parisc-linux.org> Subject: Re: Re: [PATCH 1/3]fs/inode: iunique() Optimize Performance Message-ID: <200912012115341872867@gmail.com> X-mailer: Foxmail 6, 15, 201, 22 [cn] Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by alpha.home.local id nB1DPp16020943 Content-Length: 1183 Lines: 35 Hi Matthew Wilcox: I got the code note as the following. if there is no performance problem, maybe the code note need update. ------ * BUGS: * With a large number of inodes live on the file system this function * currently becomes quite slow. ------------------ Best Regards, Liuweni 2009-12-01 ------------------------------------------------------------- ?????ˣ?Matthew Wilcox ???????ڣ?2009-12-01 20:03:41 ?ռ??ˣ?liu weni ???ͣ?strongzgy; xgr178; Liu Hui; viro; akpm; jack; npiggin; linux-fsdevel; linux-kernel ???⣺Re: [PATCH 1/3]fs/inode: iunique() Optimize Performance On Tue, Dec 01, 2009 at 01:01:57PM +0800, liu weni wrote: > Thanks, I will try others way to improve the performance. Is there a performance problem with iunique? What benchmark are you running to show this? -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." ????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m???? ????????I?