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From: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
Organization: ProntoTV AS
To: Robert Love <rml@tech9.net>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] O_STREAMING - flag for optimal streaming I/O
Date: Wed, 9 Oct 2002 13:53:33 +0200
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On Tuesday 08 October 2002 04:38, Robert Love wrote:
> Attached patch implements an O_STREAMING file I/O flag which enables
> manual drop-behind of pages.
>
> If the file has O_STREAMING set then the user has explicitly said "this
> is streaming data, I know I will not revisit this, do not cache
> anything".  So we drop pages from the pagecache before our current
> index.  We have to fiddle a bit to get writes working since we do
> write-behind but the logic is there and it works.

Great ;-)
This is the nice way of doing what the akpm-patch did for me a while ago.

roy

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Roy Sigurd Karlsbakk, Datavaktmester
ProntoTV AS - http://www.pronto.tv/
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