From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Tomas <alex@clusterfs.com>
Subject: Re: [Ext2-devel] Re: [RFC] ext3 writepages for writeback mode
Date: Sun, 13 Feb 2005 02:29:57 +0300
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Cc: Alex Tomas <alex@clusterfs.com>, Andrew Morton <akpm@osdl.org>,
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	linux-fsdevel@vger.kernel.org, sct@redhat.com
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To: Badari Pulavarty <pbadari@us.ibm.com>
In-Reply-To: <420E9098.9000903@us.ibm.com> (Badari Pulavarty's message of
 "Sat, 12 Feb 2005 15:26:16 -0800")
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>>>>> Badari Pulavarty (BP) writes:

 >> 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

 BP> Hmm.. On UP, the patch made sys.time little worse ?

grrrr. sorry, that's a typo. exchange 'after' and 'before' please.
btw, want to see how delayed allocation manages this?

thanks, Alex