Messages in this thread | | | From | Roy Sigurd Karlsbakk <> | 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
-- Roy Sigurd Karlsbakk, Datavaktmester ProntoTV AS - http://www.pronto.tv/ Tel: +47 9801 3356
Computers are like air conditioners. They stop working when you open Windows.
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