Landing b_bug974 onto HEAD (20040213_1538).

[fs/lustre-release.git] / lustre / include / linux / lustre_export.h

diff --git a/lustre/include/linux/lustre_export.h b/lustre/include/linux/lustre_export.h
index 6b00876..b949fe1 100644 (file)
--- a/lustre/include/linux/lustre_export.h
+++ b/lustre/include/linux/lustre_export.h
@@ -10,31 +10,88 @@
 #ifndef __EXPORT_H
 #define __EXPORT_H
 
-#ifdef __KERNEL__
-
 #include <linux/lustre_idl.h>
 #include <linux/lustre_dlm.h>
 
+struct mds_client_data;
+
+struct mds_export_data {
+        struct list_head        med_open_head;
+        spinlock_t              med_open_lock;
+        struct mds_client_data *med_mcd;
+        loff_t                  med_off;
+        int                     med_idx;
+};
+
+struct osc_creator {
+        spinlock_t              oscc_lock;
+        struct list_head        oscc_list;
+        struct obd_export      *oscc_exp;
+        obd_id                  oscc_last_id;//last available pre-created object
+        obd_id                  oscc_next_id;// what object id to give out next
+        int                     oscc_initial_create_count;
+        int                     oscc_grow_count;
+        int                     oscc_kick_barrier;
+        struct osc_created     *oscc_osccd;
+        struct obdo             oscc_oa;
+        int                     oscc_flags;
+        wait_queue_head_t       oscc_waitq; /* creating procs wait on this */
+};
+
+struct osc_export_data {
+        struct osc_creator      oed_oscc;
+};
+
+struct ldlm_export_data {
+        struct list_head       led_held_locks; /* protected by namespace lock */
+};
+
+struct ec_export_data { /* echo client */
+        struct list_head eced_locks;
+};
+
+/* In-memory access to client data from OST struct */
+struct filter_client_data;
+struct filter_export_data {
+        spinlock_t                 fed_lock;      /* protects fed_open_head */
+        struct filter_client_data *fed_fcd;
+        loff_t                     fed_lr_off;
+        int                        fed_lr_idx;
+        unsigned long              fed_dirty;    /* in bytes */
+        unsigned long              fed_grant;    /* in bytes */
+        unsigned long              fed_pending;  /* bytes just being written */
+};
+
 struct obd_export {
-        __u64                     exp_cookie;
-        struct lustre_handle      exp_impconnh;
+        struct portals_handle     exp_handle;
+        atomic_t                  exp_refcount;
+        struct obd_uuid           exp_client_uuid;
         struct list_head          exp_obd_chain;
-        struct list_head          exp_conn_chain;
         struct obd_device        *exp_obd;
+        struct obd_import        *exp_imp_reverse;  /* to make rpc's backwards */
         struct ptlrpc_connection *exp_connection;
-        struct mds_export_data    exp_mds_data;
+        __u32                     exp_conn_cnt;
         struct ldlm_export_data   exp_ldlm_data;
-#if NOTYET && 0
-        struct ost_export_data    exp_ost_data;
-#endif
-        void                     *exp_data; /* device specific data */
-        int                       exp_desclen;
-        char                     *exp_desc;
-        uuid_t                    exp_uuid;
+        struct ptlrpc_request    *exp_outstanding_reply;
+        time_t                    exp_last_request_time;
+        spinlock_t                exp_lock; /* protects flags int below */
+        int                       exp_failed:1;
+        int                       exp_flags;
+        union {
+                struct mds_export_data    eu_mds_data;
+                struct filter_export_data eu_filter_data;
+                struct ec_export_data     eu_ec_data;         
+                struct osc_export_data    eu_osc_data;
+        } u;
 };
 
+#define exp_mds_data    u.eu_mds_data
+#define exp_lov_data    u.eu_lov_data
+#define exp_filter_data u.eu_filter_data
+#define exp_osc_data    u.eu_osc_data
+#define exp_ec_data     u.eu_ec_data
+
 extern struct obd_export *class_conn2export(struct lustre_handle *conn);
 extern struct obd_device *class_conn2obd(struct lustre_handle *conn);
-#endif /* __KERNEL__ */
 
 #endif /* __EXPORT_H */