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Date: Wed, 10 Nov 2010 19:10:17 +0200
Message-ID: <AANLkTi=8uwjAqSmMWbAwX1gGbjS8Q8Rh1mPu7RArdLJt@mail.gmail.com>
Subject: Re: 2.6.36 io bring the system to its knees
From: Alexey Dobriyan <adobriyan@gmail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dave Chinner <david@fromorbit.com>, Jens Axboe <axboe@kernel.dk>,
        dave b <db.pub.mail@gmail.com>, Sanjoy Mahajan <sanjoy@olin.edu>,
        Jesper Juhl <jj@chaosbits.net>, Chris Mason <chris.mason@oracle.com>,
        Ingo Molnar <mingo@elte.hu>, Pekka Enberg <penberg@kernel.org>,
        Aidar Kultayev <the.aidar@gmail.com>, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>, Nick Piggin <npiggin@suse.de>,
        Arjan van de Ven <arjan@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>, "Ted Ts'o" <tytso@mit.edu>,
        Corrado Zoccolo <czoccolo@gmail.com>,
        Shaohua Li <shaohua.li@intel.com>, Steven Barrett <damentz@gmail.com>
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On Wed, Nov 10, 2010 at 6:55 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> On Wed, Nov 10, 2010 at 8:46 AM, Alexey Dobriyan <adobriyan@gmail.com> wrote:
>> Those of us, who did (without UPS), will never do it again.
>
> Before or after the change to make renaming on top of old files do the
> IO flushing?

It was long ago, so before patch.

> That made a big difference for some rather common cases.

That's good.
Maybe, it's only an order of magnitude likely to lose FS now instead of several.
:-)
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