[PATCH v3] nfsd: Add layouts checking in client_has_state()

[Kinglong Mee <kinglongmee@gmail.com>]

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>
---
 fs/nfsd/nfs4state.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 61dfb33..94a2980 100644
--- 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);
 }
-- 
2.4.3