Re: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch

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Subject: Re: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Tue Jul 13 2004 - 12:56:28 EEST


On Mon, Jul 12, 2004 at 05:06:49 -0700, Andrew Morton wrote:
> Paul Davis <paul_AT_linuxaudiosystems.com> wrote:
> >
> > >resierfs: yes, it's a problem. I "fixed" it multiple times in 2.4, but the
> > >fixes ended up breaking the fs in subtle ways and I eventually gave up.
> >
> > andrew, this is really helpful. should we conclude that until some
> > announcement from reiser that they have addressed this, the reiserfs
> > should be avoided on low latency systems?
>
> It seems that way, yes. I do not know how common the holdoffs are in real
> life. It would be interesting if there was a user report that switching
> from reiserfs to ext2/ext3 actually made a difference - this would tell us
> that it is indeed a real-world problem.

I think there was a report on linux-audio-user where switch from reiser to
ext[23] fixed someones latency problems.

- Steve


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