linux-kernel - Re: Linux 2.6.29

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Message-ID: <49D62643.2080809@rtr.ca>
Date:	Fri, 03 Apr 2009 11:07:47 -0400
From:	Mark Lord <lkml@....ca>
To:	Janne Grunau <j@...nau.net>
Cc:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Theodore Tso <tytso@....edu>, David Rees <drees76@...il.com>,
	Jesper Krogh <jesper@...gh.cc>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 2.6.29

Janne Grunau wrote:
>..
> MythTV calls fsync every few seconds on ongoing recordings to prevent
> stalls due to large cache writebacks on ext3.
>
> Janne
> (MythTV developer)
..

Oooh.. a myth dev!

With the HVR-1600 card, myth calls fsync() *ten* times a second
while recording analog TV (digital is fine).

Any chance you could track down and fix that ?

It might be the same thing that's biting Lennart's system
with his PVR-500 card.

Cheers
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