From mboxrd@z Thu Jan 1 00:00:00 1970 From: Badari Pulavarty Subject: Re: [Ext2-devel] Re: [RFC] ext3 writepages for writeback mode Date: Sat, 12 Feb 2005 15:26:16 -0800 Message-ID: <420E9098.9000903@us.ibm.com> References: <1108085493.20053.1191.camel@dyn318077bld.beaverton.ibm.com> <20050210175327.7b4a508b.akpm@osdl.org> <1108164542.20053.1232.camel@dyn318077bld.beaverton.ibm.com> <20050211155858.354520bb.akpm@osdl.org> <1108169488.20053.1241.camel@dyn318077bld.beaverton.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: Andrew Morton , ext2-devel , linux-fsdevel@vger.kernel.org, sct@redhat.com Received: from e35.co.us.ibm.com ([32.97.110.133]:15037 "EHLO e35.co.us.ibm.com") by vger.kernel.org with ESMTP id S261213AbVBLX0T (ORCPT ); Sat, 12 Feb 2005 18:26:19 -0500 Received: from westrelay02.boulder.ibm.com (westrelay02.boulder.ibm.com [9.17.195.11]) by e35.co.us.ibm.com (8.12.10/8.12.9) with ESMTP id j1CNQILg567126 for ; Sat, 12 Feb 2005 18:26:18 -0500 Received: from d03av04.boulder.ibm.com (d03av04.boulder.ibm.com [9.17.195.170]) by westrelay02.boulder.ibm.com (8.12.10/NCO/VER6.6) with ESMTP id j1CNQIdJ460204 for ; Sat, 12 Feb 2005 16:26:18 -0700 Received: from d03av04.boulder.ibm.com (loopback [127.0.0.1]) by d03av04.boulder.ibm.com (8.12.11/8.12.11) with ESMTP id j1CNQHiN021741 for ; Sat, 12 Feb 2005 16:26:18 -0700 To: Alex Tomas In-Reply-To: Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Alex Tomas wrote: >>>>>>Badari Pulavarty (BP) writes: > > > BP> Test: writes 10,000 blocks of 64k and does fdatasync(). > > The patch doesn't apply ;) after a minor correction > I've tested the patch too: > ... > UP, after: > [root@zefir root]# time /work/tests/fwrite /test/fff 64 10000 > real 0m21.452s user 0m0.026s sys 0m6.105s > > [root@zefir root]# time /work/tests/fwrite /test/fff 64 10000 > real 0m23.317s user 0m0.027s sys 0m4.206s > > [root@zefir root]# time /work/tests/fwrite /test/fff 64 10000 > real 0m25.190s user 0m0.022s sys 0m4.026s > > [root@zefir root]# time /work/tests/fwrite /test/fff 64 10000 > real 0m25.024s user 0m0.021s sys 0m4.103s > > > UP, before: > [root@zefir root]# time /work/tests/fwrite /test/fff 64 10000 > real 0m19.138s user 0m0.021s sys 0m5.980s > > [root@zefir root]# time /work/tests/fwrite /test/fff 64 10000 > real 0m23.123s user 0m0.026s sys 0m4.083s > > [root@zefir root]# time /work/tests/fwrite /test/fff 64 10000 > real 0m25.152s user 0m0.017s sys 0m3.836s > > [root@zefir root]# time /work/tests/fwrite /test/fff 64 10000 > real 0m25.217s user 0m0.026s sys 0m3.827s Hmm.. On UP, the patch made sys.time little worse ? - Badari