From: Trond Myklebust <trond.myklebust@fys.uio.no>
Subject: Re: Disabling NFS client caching
Date: Tue, 21 Nov 2006 15:06:15 -0500
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To: Murali Bashyam <mbcoder@gmail.com>
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On Tue, 2006-11-21 at 11:54 -0800, Murali Bashyam wrote:
> 
> Thanks for the suggestion. I tried the O_DIRECT option with O_RDONLY,
> and i am still seeing a lot of reads not hitting the server, looks
> like they are being handled locally still. I've got the sizes and
> addresses page aligned. Is there anything else that needs to be done
> to bypass the caching? 

No. O_DIRECT will cause every read to be sent to the server.

Trond


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