linux-kernel - Re: Linux 2.6.29

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Message-ID: <49D69C1D.50209@garzik.org>
Date:	Fri, 03 Apr 2009 19:30:37 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	David Rees <drees76@...il.com>
CC:	Janne Grunau <j@...nau.net>, Mark Lord <lkml@....ca>,
	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>,
	Jens Axboe <jens.axboe@...cle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>, tytso@....edu,
	jesper@...gh.cc,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 2.6.29

David Rees wrote:
> The *only* reason MythTV fsyncs (or fdatasyncs) the data to disk all
> the time is to keep a large amount of dirty pages from building up and
> then causing horrible latencies when that data starts getting flushed
> to disk.

sync_file_range() will definitely help that situation.

	Jeff


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