NFSv4.1: new flag for lease time check

Data servers cannot send nfs4_proc_get_lease_time. but still need to setup
state renewal. Add the NFS_CS_CHECK_LEASE_TIME bit to indicate if the lease
time can be checked.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index a86698cd82fd..280d41f64a57 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1400,6 +1400,15 @@ static int nfs4_set_client(struct nfs_server *server,
                 goto error;
         }
 
+        /*
+         * Query for the lease time on clientid setup or renewal
+         *
+         * Note that this will be set on nfs_clients that were created
+         * only for the DS role and did not set this bit, but now will
+         * serve a dual role.
+         */
+        set_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state);
+
         server->nfs_client = clp;
         dprintk("<-- nfs4_set_client() = 0 [new %p]\n", clp);
         return 0;