NFS: Create a have_delegation rpc_op

Delegations are a v4 feature, so push them out of the generic code.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 617c7419a08..4aed3ddf9bb 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -734,6 +734,11 @@ out_einval:
         return -EINVAL;
 }
 
+static int nfs_have_delegation(struct inode *inode, fmode_t flags)
+{
+        return 0;
+}
+
 const struct nfs_rpc_ops nfs_v2_clientops = {
         .version        = 2,                   /* protocol version */
         .dentry_ops     = &nfs_dentry_operations,
@@ -777,5 +782,6 @@ const struct nfs_rpc_ops nfs_v2_clientops = {
         .lock           = nfs_proc_lock,
         .lock_check_bounds = nfs_lock_check_bounds,
         .close_context  = nfs_close_context,
+        .have_delegation = nfs_have_delegation,
         .init_client    = nfs_init_client,
 };