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author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-11-03 15:00:12 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-03 19:39:07 +0300 |
commit | 5f71ff51063177085e7dc2eb33913a2a222700ad (patch) | |
tree | 29158546958b018ddd06319ec76aebe504200aed /fs/nfsd | |
parent | c900ee9118d7cd0d1e5eba6727dd6c3c37a46e7f (diff) | |
download | linux-5f71ff51063177085e7dc2eb33913a2a222700ad.tar.xz |
nfsd: CLOSE SHOULD return the invalid special stateid for NFSv4.x (x>0)
[ Upstream commit fb500a7cfee7f2f447d2bbf30cb59629feab6ac1 ]
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/nfsd')
-rw-r--r-- | fs/nfsd/nfs4state.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index a439a70177a4..61f38346ce9d 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -63,6 +63,9 @@ static const stateid_t zero_stateid = { static const stateid_t currentstateid = { .si_generation = 1, }; +static const stateid_t close_stateid = { + .si_generation = 0xffffffffU, +}; static u64 current_sessionid = 1; @@ -5411,6 +5414,11 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, nfsd4_close_open_stateid(stp); mutex_unlock(&stp->st_mutex); + /* See RFC5661 sectionm 18.2.4 */ + if (stp->st_stid.sc_client->cl_minorversion) + memcpy(&close->cl_stateid, &close_stateid, + sizeof(close->cl_stateid)); + /* put reference from nfs4_preprocess_seqid_op */ nfs4_put_stid(&stp->st_stid); out: |