Re: [PATCH 1/3] NFSv4: Ensure we do not reuse open owner names

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On Mon, 2012-04-23 at 16:57 -0400, Chuck Lever wrote:
> On Apr 23, 2012, at 4:48 PM, Myklebust, Trond wrote:
> > On Mon, 2012-04-23 at 16:44 -0400, Chuck Lever wrote:
> >> Hi-
> >> 
> >> I wish you had told me you were going to fix this too.  I've been testing a fix for this for a couple weeks.  Was going to post this afternoon.  Shall I toss mine?
> > 
> > I was hitting that BAD_SEQID storm during testing of the other open
> > fixes last week.
> Fair enough, but I announced I had a fix in my April 15 status report.  Oh well.
> So, I decided that a timestamp would leak information about the client, so I'm using a simple counter instead.  Would you consider that for your patch?

How would a timestamp leak useful information? The server and anyone
monitoring the NFS traffic already knows at what time the open owner was
created to within a few milliseconds.

Trond Myklebust
Linux NFS client maintainer


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