From: Michael Rubin <mrubin@google.com>
Subject: Re: PATCH: Making mb_history length a dynamic tunable
Date: Sat, 18 Apr 2009 00:51:43 -0700
Message-ID: <532480950904180051m3226b309wc42cded4e73be028@mail.gmail.com>
References: <6601abe90904071020gdce65d2madc6df30c182c5cd@mail.gmail.com>
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Cc: ext4 development <linux-ext4@vger.kernel.org>
To: Curt Wohlgemuth <curtw@google.com>
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On Tue, Apr 7, 2009 at 10:20 AM, Curt Wohlgemuth <curtw@google.com> wro=
te:
> Hi:
>
> Since we frequently run in memory-constrained systems with many parti=
tions,
> the ~68K for each partition for the mb_history buffer can be excessiv=
e. =A0The
> following creates a new proc file under /proc/fs/ext4/ to control the=
 number
> of entries at mount time.
>
> If the notion of a history length tunable is okay, but the location s=
hould
> be under /sys/fs/ext4/ instead of /proc/fs/ext4/, I can change this. =
=A0The
> leftover files under /proc/fs/ext4/<partition>/ are a bit confusing t=
o me.
>

Does the silence mean that there is no interest in this CL?

We thought making this a run time tunable would be cool.

mrubin
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