nfsd: when reusing an existing repcache entry, unhash it first
[linux-3.10.git] / fs / nfsd / netns.h
index 66eac33..849a7c3 100644 (file)
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
 
+/* Hash tables for nfs4_clientid state */
+#define CLIENT_HASH_BITS                 4
+#define CLIENT_HASH_SIZE                (1 << CLIENT_HASH_BITS)
+#define CLIENT_HASH_MASK                (CLIENT_HASH_SIZE - 1)
+
+#define LOCKOWNER_INO_HASH_BITS                8
+#define LOCKOWNER_INO_HASH_SIZE                (1 << LOCKOWNER_INO_HASH_BITS)
+
+#define SESSION_HASH_SIZE      512
+
 struct cld_net;
+struct nfsd4_client_tracking_ops;
 
 struct nfsd_net {
        struct cld_net *cld_net;
+
+       struct cache_detail *svc_expkey_cache;
+       struct cache_detail *svc_export_cache;
+
+       struct cache_detail *idtoname_cache;
+       struct cache_detail *nametoid_cache;
+
+       struct lock_manager nfsd4_manager;
+       bool grace_ended;
+       time_t boot_time;
+
+       /*
+        * reclaim_str_hashtbl[] holds known client info from previous reset/reboot
+        * used in reboot/reset lease grace period processing
+        *
+        * conf_id_hashtbl[], and conf_name_tree hold confirmed
+        * setclientid_confirmed info.
+        *
+        * unconf_str_hastbl[] and unconf_name_tree hold unconfirmed
+        * setclientid info.
+        */
+       struct list_head *reclaim_str_hashtbl;
+       int reclaim_str_hashtbl_size;
+       struct list_head *conf_id_hashtbl;
+       struct rb_root conf_name_tree;
+       struct list_head *unconf_id_hashtbl;
+       struct rb_root unconf_name_tree;
+       struct list_head *ownerstr_hashtbl;
+       struct list_head *lockowner_ino_hashtbl;
+       struct list_head *sessionid_hashtbl;
+       /*
+        * client_lru holds client queue ordered by nfs4_client.cl_time
+        * for lease renewal.
+        *
+        * close_lru holds (open) stateowner queue ordered by nfs4_stateowner.so_time
+        * for last close replay.
+        *
+        * All of the above fields are protected by the client_mutex.
+        */
+       struct list_head client_lru;
+       struct list_head close_lru;
+       struct list_head del_recall_lru;
+
+       struct delayed_work laundromat_work;
+
+       /* client_lock protects the client lru list and session hash table */
+       spinlock_t client_lock;
+
+       struct file *rec_file;
+       bool in_grace;
+       struct nfsd4_client_tracking_ops *client_tracking_ops;
+
+       time_t nfsd4_lease;
+       time_t nfsd4_grace;
+
+       bool nfsd_net_up;
+
+       /*
+        * Time of server startup
+        */
+       struct timeval nfssvc_boot;
+
+       struct svc_serv *nfsd_serv;
 };
 
+/* Simple check to find out if a given net was properly initialized */
+#define nfsd_netns_ready(nn) ((nn)->sessionid_hashtbl)
+
 extern int nfsd_net_id;
-extern struct notifier_block nfsd4_cld_block;
 #endif /* __NFSD_NETNS_H__ */