#include <linux/list.h>
#include <linux/backing-dev.h>
+struct nfs_iostats;
+
+/*
+ * 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 */
+ int cl_nfsversion; /* NFS protocol version */
+ unsigned long cl_res_state; /* NFS resources state */
+#define NFS_CS_RPCIOD 0 /* - rpciod started */
+#define NFS_CS_CALLBACK 1 /* - callback started */
+#define NFS_CS_IDMAP 2 /* - idmap started */
+#define NFS_CS_RENEWD 3 /* - renewd started */
+ struct sockaddr_in cl_addr; /* server identifier */
+ 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 */
+ unsigned long retrans_timeo; /* retransmit timeout */
+ unsigned int retrans_count; /* number of retransmit tries */
+
+#ifdef CONFIG_NFS_V4
+ u64 cl_clientid; /* constant */
+ nfs4_verifier cl_confirm;
+ unsigned long cl_state;
+
+ u32 cl_lockowner_id;
+
+ /*
+ * The following rwsem ensures exclusive access to the server
+ * while we recover the state following a lease expiration.
+ */
+ struct rw_semaphore cl_sem;
+
+ struct list_head cl_delegations;
+ struct list_head cl_state_owners;
+ struct list_head cl_unused;
+ int cl_nunused;
+ spinlock_t cl_lock;
+
+ unsigned long cl_lease_time;
+ unsigned long cl_last_renewal;
+ struct work_struct 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[16];
+ unsigned char cl_id_uniquifier;
+#endif
+};
+
/*
* NFS client parameters stored in the superblock.
*/
struct nfs_server {
+ struct nfs_client * nfs_client; /* shared client and NFS4 state */
+ struct list_head client_link; /* List of other nfs_server structs
+ * that share the same client
+ */
+ struct list_head master_link; /* link in master servers list */
struct rpc_clnt * client; /* RPC client handle */
- struct rpc_clnt * client_sys; /* 2nd handle for FSINFO */
- struct nfs_rpc_ops * rpc_ops; /* NFS protocol vector */
+ struct rpc_clnt * client_acl; /* ACL RPC client handle */
+ struct nfs_iostats * io_stats; /* I/O statistics */
struct backing_dev_info backing_dev_info;
int flags; /* various flags */
unsigned int caps; /* server capabilities */
unsigned int acdirmin;
unsigned int acdirmax;
unsigned int namelen;
- char * hostname; /* remote hostname */
- struct nfs_fh fh;
- struct sockaddr_in addr;
+
+ struct nfs_fsid fsid;
+ __u64 maxfilesize; /* maximum file size */
+ unsigned long mount_time; /* when this fs was mounted */
+ dev_t s_dev; /* superblock dev numbers */
+
#ifdef CONFIG_NFS_V4
- /* Our own IP address, as a null-terminated string.
- * This is used to generate the clientid, and the callback address.
- */
- char ip_addr[16];
- char * mnt_path;
- struct nfs4_client * nfs4_state; /* all NFSv4 state starts here */
- struct list_head nfs4_siblings; /* List of other nfs_server structs
- * that share the same clientid
- */
u32 attr_bitmask[2];/* V4 bitmask representing the set
of attributes supported on this
filesystem */
that are supported on this
filesystem */
#endif
+ void (*destroy)(struct nfs_server *);
};
/* Server capabilities */