2 files changed, 22 insertions, 0 deletions

diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index ad65709ed8d3..bd2eba530667 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 ca643aa87d46..62f63fb0c4c8 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;