From: Per Buer <perbu@linpro.no>
Subject: Does nfsd.o handle overwriting of files properly?
Date: Fri, 13 Aug 2004 09:04:26 +0200
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Message-ID: <200408130904.26180.perbu@linpro.no>
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To: nfs@lists.sourceforge.net
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Hi.

We have a daemon which does the following. Create a new file "foo" and renames 
this file to "bar". This happens on a nfs volume. The problem seems to be 
that we get "stale NFS handle" right after "bar" is overwritten.

I guess the directory is cached and so the dentry points to an non-existing 
inode (as the old "bar" is deleted when the ref-count hits zero). 

Server: RHEL AS 2.1 (2.4.9 with lots and lots of pathes)
Client: RHEL ES 3.0 (2.4.21with lots and lots of pathes)

I fix could be to keep an link to the old "bar" hanging around for 30s or so - 
but I consider that a somewhat dirty work-around.

Is there anything else I can do to mend this?

-- 
There are only 10 different kinds of people in the world, 
those who understand binary, and those who don't.


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