proc: move /proc/diskstats boilerplate to block/genhd.c
[safe/jmp/linux-2.6] / include / linux / nfs_fs_sb.h
index 95f32d5..4e477ae 100644 (file)
@@ -3,8 +3,12 @@
 
 #include <linux/list.h>
 #include <linux/backing-dev.h>
+#include <linux/wait.h>
+
+#include <asm/atomic.h>
 
 struct nfs_iostats;
+struct nlm_host;
 
 /*
  * The nfs_client identifies our client state to the server.
@@ -14,24 +18,29 @@ struct nfs_client {
        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 */
-       struct sockaddr_in      cl_addr;        /* server identifier */
+#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 */
+
+       struct rpc_cred         *cl_machine_cred;
 
 #ifdef CONFIG_NFS_V4
        u64                     cl_clientid;    /* constant */
        nfs4_verifier           cl_confirm;
        unsigned long           cl_state;
 
-       u32                     cl_lockowner_id;
+       struct rb_root          cl_openowner_id;
+       struct rb_root          cl_lockowner_id;
 
        /*
         * The following rwsem ensures exclusive access to the server
@@ -40,15 +49,12 @@ struct nfs_client {
        struct rw_semaphore     cl_sem;
 
        struct list_head        cl_delegations;
-       struct list_head        cl_state_owners;
-       struct list_head        cl_unused;
-       int                     cl_nunused;
+       struct rb_root          cl_state_owners;
        spinlock_t              cl_lock;
 
        unsigned long           cl_lease_time;
        unsigned long           cl_last_renewal;
-       struct work_struct      cl_renewd;
-       struct work_struct      cl_recoverd;
+       struct delayed_work     cl_renewd;
 
        struct rpc_wait_queue   cl_rpcwaitq;
 
@@ -61,7 +67,7 @@ struct nfs_client {
        /* Our own IP address, as a null-terminated string.
         * This is used to generate the clientid, and the callback address.
         */
-       char                    cl_ipaddr[16];
+       char                    cl_ipaddr[48];
        unsigned char           cl_id_uniquifier;
 #endif
 };
@@ -70,12 +76,17 @@ struct nfs_client {
  * 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 rpc_clnt *       client_acl;     /* ACL RPC client handle */
-       const struct nfs_rpc_ops *rpc_ops;      /* NFS protocol vector */
+       struct nlm_host         *nlm_host;      /* NLM client handle */
        struct nfs_iostats *    io_stats;       /* I/O statistics */
        struct backing_dev_info backing_dev_info;
+       atomic_long_t           writeback;      /* number of writeback pages */
        int                     flags;          /* various flags */
        unsigned int            caps;           /* server capabilities */
        unsigned int            rsize;          /* read size */
@@ -84,29 +95,20 @@ struct nfs_server {
        unsigned int            wpages;         /* write size (in pages) */
        unsigned int            wtmult;         /* server disk block size */
        unsigned int            dtsize;         /* readdir size */
+       unsigned short          port;           /* "port=" setting */
        unsigned int            bsize;          /* server block size */
        unsigned int            acregmin;       /* attr cache timeouts */
        unsigned int            acregmax;
        unsigned int            acdirmin;
        unsigned int            acdirmax;
-       unsigned long           retrans_timeo;  /* retransmit timeout */
-       unsigned int            retrans_count;  /* number of retransmit tries */
        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 nfs_client *     nfs_client;     /* 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 */
@@ -114,6 +116,16 @@ struct nfs_server {
                                                   that are supported on this
                                                   filesystem */
 #endif
+       void (*destroy)(struct nfs_server *);
+
+       atomic_t active; /* Keep trace of any activity to this server */
+
+       /* mountd-related mount options */
+       struct sockaddr_storage mountd_address;
+       size_t                  mountd_addrlen;
+       u32                     mountd_version;
+       unsigned short          mountd_port;
+       unsigned short          mountd_protocol;
 };
 
 /* Server capabilities */