summaryrefslogtreecommitdiffstats
path: root/fs
diff options
context:
space:
mode:
authorTrond Myklebust <trond.myklebust@primarydata.com>2017-11-03 08:00:12 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-02-07 11:07:55 -0800
commit1f71aa238fcde9356376d6d885d216adbf19d18a (patch)
tree11d23f65a9ae86f7c475fd84e7a3c14353c9d2ef /fs
parentf2dc0da2c28194bc7f8722ad54565f90bcbd8b3a (diff)
downloadlinux-stable-1f71aa238fcde9356376d6d885d216adbf19d18a.tar.gz
linux-stable-1f71aa238fcde9356376d6d885d216adbf19d18a.tar.bz2
linux-stable-1f71aa238fcde9356376d6d885d216adbf19d18a.zip
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@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/nfs4state.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index d59ce5a665d9..fc486e67db38 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -62,6 +62,9 @@ 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;
@@ -4901,6 +4904,11 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
nfsd4_close_open_stateid(stp);
+ /* 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: