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authorAndy Adamson <andros@netapp.com>2011-03-01 01:34:11 +0000
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-03-11 15:38:41 -0500
commitd6fb79d433d0a34c36bdf74eaf90857193a6261f (patch)
treebf7686b2bd65d598ef1a4e5ceaebb0432302a726 /fs/nfs
parentd3b4c9d76738df49a7db7682c2518a0ef9f7391d (diff)
downloadlinux-d6fb79d433d0a34c36bdf74eaf90857193a6261f.tar.gz
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>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/client.c9
-rw-r--r--fs/nfs/nfs4state.c5
2 files changed, 14 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;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 0592288f9f06..69c836373124 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -153,6 +153,11 @@ static int nfs41_setup_state_renewal(struct nfs_client *clp)
 	int status;
 	struct nfs_fsinfo fsinfo;
 
+	if (!test_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state)) {
+		nfs4_schedule_state_renewal(clp);
+		return 0;
+	}
+
 	status = nfs4_proc_get_lease_time(clp, &fsinfo);
 	if (status == 0) {
 		/* Update lease time and schedule renewal */