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nfsd: Don't return NFS4ERR_STALE_STATEID for NFSv4.1+

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RFC5661 obsoletes NFS4ERR_STALE_STATEID in favour of NFS4ERR_BAD_STATEID.

Note that because nfsd encodes the clientid boot time in the stateid, we
can hit this error case in certain scenarios where the Linux client
state management thread exits early, before it has finished recovering
all state.

Reported-by: Idan Kedar <idank@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Trond Myklebust 2014-03-29 14:43:38 -04:00 committed by J. Bruce Fields
parent 1bc49d83c3
commit a8a7c6776f
1 changed files with 4 additions and 1 deletions
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5
fs/nfsd/nfs4state.c
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@ -3627,8 +3627,11 @@ static __be32 nfsd4_lookup_stateid(stateid_t *stateid, unsigned char typemask,
return nfserr_bad_stateid;
status = lookup_clientid(&stateid->si_opaque.so_clid, sessions,
nn, &cl);
if (status == nfserr_stale_clientid)
if (status == nfserr_stale_clientid) {
if (sessions)
return nfserr_bad_stateid;
return nfserr_stale_stateid;
}
if (status)
return status;
*s = find_stateid_by_type(cl, stateid, typemask);