+struct nlm_host;
+struct nfs4_sequence_args;
+struct nfs4_sequence_res;
+struct nfs_server;
+
+/*
+ * The nfs_client identifies our client state to the server.
+ */
+struct nfs_client {
+ atomic_t cl_count;
+ int cl_cons_state; /* current construction state (-ve: init error) */
+#define NFS_CS_READY 0 /* ready to be used */
+#define NFS_CS_INITING 1 /* busy initialising */
+#define NFS_CS_SESSION_INITING 2 /* busy initialising session */
+ unsigned long cl_res_state; /* NFS resources state */
+#define NFS_CS_CALLBACK 1 /* - callback started */
+#define NFS_CS_IDMAP 2 /* - idmap started */
+#define NFS_CS_RENEWD 3 /* - renewd started */
+ struct sockaddr_storage cl_addr; /* server identifier */
+ size_t cl_addrlen;
+ char * cl_hostname; /* hostname of server */
+ struct list_head cl_share_link; /* link in global client list */
+ struct list_head cl_superblocks; /* List of nfs_server structs */
+
+ struct rpc_clnt * cl_rpcclient;
+ const struct nfs_rpc_ops *rpc_ops; /* NFS protocol vector */
+ int cl_proto; /* Network transport protocol */
+
+ u32 cl_minorversion;/* NFSv4 minorversion */
+ struct rpc_cred *cl_machine_cred;
+
+#ifdef CONFIG_NFS_V4
+ u64 cl_clientid; /* constant */
+ nfs4_verifier cl_confirm;
+ unsigned long cl_state;
+
+ struct rb_root cl_openowner_id;
+ struct rb_root cl_lockowner_id;
+
+ struct list_head cl_delegations;
+ struct rb_root cl_state_owners;
+ spinlock_t cl_lock;
+
+ unsigned long cl_lease_time;
+ unsigned long cl_last_renewal;
+ struct delayed_work cl_renewd;
+
+ struct rpc_wait_queue cl_rpcwaitq;
+
+ /* used for the setclientid verifier */
+ struct timespec cl_boot_time;
+
+ /* idmapper */
+ struct idmap * cl_idmap;
+
+ /* Our own IP address, as a null-terminated string.
+ * This is used to generate the clientid, and the callback address.
+ */
+ char cl_ipaddr[48];
+ unsigned char cl_id_uniquifier;
+ int (* cl_call_sync)(struct nfs_server *server,
+ struct rpc_message *msg,
+ struct nfs4_sequence_args *args,
+ struct nfs4_sequence_res *res,
+ int cache_reply);
+#endif /* CONFIG_NFS_V4 */
+
+#ifdef CONFIG_NFS_V4_1
+ /* clientid returned from EXCHANGE_ID, used by session operations */
+ u64 cl_ex_clid;
+ /* The sequence id to use for the next CREATE_SESSION */
+ u32 cl_seqid;
+ /* The flags used for obtaining the clientid during EXCHANGE_ID */
+ u32 cl_exchange_flags;
+ struct nfs4_session *cl_session; /* sharred session */
+#endif /* CONFIG_NFS_V4_1 */
+
+#ifdef CONFIG_NFS_FSCACHE
+ struct fscache_cookie *fscache; /* client index cache cookie */
+#endif
+};