[RFC} NFS client issue with exclusive creation when server died in the middle

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Hi,

We discovered an issue with NFSv4.0 mount.
Server has crashed (or killed by OOM; it was Ganesha) on exclusive open-create operation after file was actually created, but no response was send to the client.
Server was restarted (with grace period), and next clients attempt to create a file after server is ready fails with EEXIST.
This is, probably, because for each open request client creates opendata and puts new jiffies value as the verifier (in nfs4_opendata_alloc) in the request.
Does it sound like a client issue?

Thanks in advance,
Stanislav Kinsburskii


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