- CROW-related fixes from b_hd_mdref

[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 38551ac..1fc3263 100644 (file)
--- a/lustre/include/linux/lustre_export.h
+++ b/lustre/include/linux/lustre_export.h
@@ -10,41 +10,90 @@
 #ifndef __EXPORT_H
 #define __EXPORT_H
 
 #ifndef __EXPORT_H
 #define __EXPORT_H
 

-#ifdef __KERNEL__
-

 #include <linux/lustre_idl.h>
 #include <linux/lustre_dlm.h>
 #include <linux/lustre_idl.h>
 #include <linux/lustre_dlm.h>

-#include <linux/obd_filter.h>

 
 

-struct lov_export_data {
-        struct list_head led_open_head;
+struct mds_client_data;
+struct mds_idmap_table;
+
+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;
+        unsigned int            med_initialized:1,
+                                med_remote:1;
+        __u32                   med_nllu;
+        __u32                   med_nllg;
+        struct mds_idmap_table *med_idmap;
+};
+
+struct osc_creator {
+        spinlock_t              oscc_lock;
+        struct obd_device      *oscc_obd;
+        int                     oscc_flags;
+        obd_id                  oscc_next_id;
+        wait_queue_head_t       oscc_waitq;
+};
+
+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 obd_llogs;
+struct filter_export_data {
+        spinlock_t                 fed_lock;      /* protects fed_open_head */
+        __u32                      fed_group;
+        struct filter_client_data *fed_fcd;
+        loff_t                     fed_lr_off;
+        int                        fed_lr_idx;
+        long                       fed_dirty;    /* in bytes */
+        long                       fed_grant;    /* in bytes */
+        long                       fed_pending;  /* bytes just being written */

 };
 
 struct obd_export {
 };
 
 struct obd_export {

-        __u64                     exp_cookie;
-        struct lustre_handle      exp_impconnh;
+        struct portals_handle     exp_handle;
+        atomic_t                  exp_refcount;
+        atomic_t                  exp_rpc_count;
+        struct obd_uuid           exp_client_uuid;

         struct list_head          exp_obd_chain;
         struct list_head          exp_obd_chain;

-        struct list_head          exp_conn_chain;

         struct obd_device        *exp_obd;
         struct obd_device        *exp_obd;

+        struct obd_import        *exp_imp_reverse; /* to make RPCs backwards */

         struct ptlrpc_connection *exp_connection;
         struct ptlrpc_connection *exp_connection;

-        struct ldlm_export_data   exp_ldlm_data;  /* can this go inside u? */
+        __u32                     exp_conn_cnt;
+        struct ldlm_export_data   exp_ldlm_data;
+        struct list_head          exp_outstanding_replies;
+        time_t                    exp_last_request_time;
+        spinlock_t                exp_lock; /* protects flags int below */
+        /* ^ protects exp_outstanding_replies too */
+        unsigned long             exp_flags;
+        int                       exp_failed:1,
+                                  exp_req_replay_needed:1,
+                                  exp_lock_replay_needed:1,
+                                  exp_connected:1,
+                                  exp_libclient:1, /* liblustre client? */
+                                  exp_sync:1;

         union {
                 struct mds_export_data    eu_mds_data;
                 struct filter_export_data eu_filter_data;
         union {
                 struct mds_export_data    eu_mds_data;
                 struct filter_export_data eu_filter_data;

-                struct lov_export_data    eu_lov_data;
+                struct ec_export_data     eu_ec_data;

         } u;
         } u;

-        void                     *exp_data; /* device specific data */
-        int                       exp_desclen;
-        char                     *exp_desc;
-        obd_uuid_t                exp_uuid;

 };
 
 #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_mds_data    u.eu_mds_data
 #define exp_lov_data    u.eu_lov_data
 #define exp_filter_data u.eu_filter_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);
 
 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 */
 
 #endif /* __EXPORT_H */