Re: warning in nfsd4_cb_done

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Chuck Lever writes via Kernel.org Bugzilla:

I recommended a separate bug because this looks to me like the CB_GETATTR reply handling path needs some attention. I'm not sure the problems here will result in the hanging symptoms seen in Bug #218735.

First issue is the explicit use of NFS4ERR_BAD_XDR in the CB_GETATTR reply decoder. Should be EIO instead.

Second issue is the CB_GETATTR reply decoder does not seem capable of handling a non-zero status code in the reply.

Third issue is whether NFS4ERR_BADHANDLE means the server requested a CB_GETATTR for the wrong file, or if it is an expected situation.

View: https://bugzilla.kernel.org/show_bug.cgi?id=219737#c1
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