nfsd: Add layouts checking in client_has_state()

Layout is a state resource, nfsd should check it too.

v2, drop unneeded updating in nfsd4_renew()
v3, fix compile error without CONFIG_NFSD_PNFS

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 84fb6eb5ff2f3410d79d33fa4f2115e36211fe11..c7000c33a7f0a461ca71ad8783332cc8d7529836 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2241,6 +2241,9 @@ static bool client_has_state(struct nfs4_client *clp)
         * Also note we should probably be using this in 4.0 case too.
         */
        return !list_empty(&clp->cl_openowners)
+#ifdef CONFIG_NFSD_PNFS
+               || !list_empty(&clp->cl_lo_states)
+#endif
                || !list_empty(&clp->cl_delegations)
                || !list_empty(&clp->cl_sessions);
 }