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Date: Sat, 30 Nov 2002 15:45:41 +0100
From: "J.A. Magallon" <jamagallon@able.es>
To: Andrew Morton <akpm@digeo.com>
Cc: Lista Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCHSET] Linux 2.4.20-jam0
Message-ID: <20021130144541.GA2517@werewolf.able.es>
References: <20021129233807.GA1610@werewolf.able.es> <3DE80AB6.611F3A8C@digeo.com>
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On 2002.11.30 Andrew Morton wrote:
>"J.A. Magallon" wrote:
>> 
>> - Orlov inode allocator for 2.4
>
>The Orlov allocator in 2.5 has caused a tremendous performance regression
>in dbench-on-ext3/ordered-on-scsi.
>
>I don't know why yet - I doubt if it's due to the allocator itself - more
>likely an IO scheduling bug in ext3, or a bug in the 2.5 elevator.
>
>There is no such regression on IDE - presumably write caching is covering
>up the problem.
>

Is there any way I can test that ? I have all scsi drives and can
for example remount with 'orlov' or 'oldalloc'...

>So that's something to watch out for.
>
>(where did your Orlov patch from?  All the tabs are mangled)
>

See the other answer to previous message...

>You'll need to port this missing bit, which provides the `oldalloc'
>and `orlov' mount options.
>

Thanks, I will add it...
BTW, who puts names to options ? Wouldn't be more intuitive to add options
like 'ialloc_std' or 'ialloc_orlov' ? Too late to change this ?

TIA

-- 
J.A. Magallon <jamagallon@able.es>      \                 Software is like sex:
werewolf.able.es                         \           It's better when it's free
Mandrake Linux release 9.1 (Cooker) for i586
Linux 2.4.20-jam0 (gcc 3.2 (Mandrake Linux 9.1 3.2-4mdk))
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