nfscl: Fix CreateSession for an established ClientID
Commit981ef32230
added optional use of the session slots marked bad to recover a new session when all slots are marked bad. The recovery worked against a FreeBSD NFSv4.1/4.2 server, but not a Linux one. It turns out that it was a bug in the FreeBSD client and not the Linux server. This patch fixes the client so that DeleteSession followed by CreateSession after receiving a NFSERR_BADSESSION error reply works against the Linux server (and conforms to the RFC). This also implies that the FreeBSD NFSv4.1/4.2 server needs to be fixed in a future commit. Without the fix, the FreeBSD server does a full recovery, including creation of a new ClientID, but since "intr" mounts were broken, this does not result in a regression. This patch only affects the case where a CreateSession is done for an already confirmed ClientID, which was not being done prior to commit981ef32230
. PR: 260011 MFC after: 2 weeks
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@ -984,7 +984,7 @@ nfsrpc_setclient(struct nfsmount *nmp, struct nfsclclient *clp, int reclaim,
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dsp->nfsclds_sess.nfsess_clientid =
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odsp->nfsclds_sess.nfsess_clientid;
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dsp->nfsclds_sess.nfsess_sequenceid =
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odsp->nfsclds_sess.nfsess_sequenceid;
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odsp->nfsclds_sess.nfsess_sequenceid + 1;
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dsp->nfsclds_flags = odsp->nfsclds_flags;
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if (dsp->nfsclds_servownlen > 0)
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memcpy(dsp->nfsclds_serverown,
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