2 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index ad65709ed8d..bd2eba53066 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -131,6 +131,16 @@
 
 #define NFS4_MAX_UINT64	(~(u64)0)
 
+/* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
+ * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
+ */
+#define NFS4_MAX_OPS   8
+
+/* Our NFS4 client back channel server only wants the cb_sequene and the
+ * actual operation per compound
+ */
+#define NFS4_MAX_BACK_CHANNEL_OPS 2
+
 enum nfs4_acl_whotype {
 	NFS4_ACL_WHO_NAMED = 0,
 	NFS4_ACL_WHO_OWNER,
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index ca643aa87d4..62f63fb0c4c 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -926,6 +926,18 @@ struct nfs41_exchange_id_res {
 	struct nfs_client		*client;
 	u32				flags;
 };
+
+struct nfs41_create_session_args {
+	struct nfs_client	       *client;
+	uint32_t			flags;
+	uint32_t			cb_program;
+	struct nfs4_channel_attrs	fc_attrs;	/* Fore Channel */
+	struct nfs4_channel_attrs	bc_attrs;	/* Back Channel */
+};
+
+struct nfs41_create_session_res {
+	struct nfs_client	       *client;
+};
 #endif /* CONFIG_NFS_V4_1 */
 
 struct nfs_page;