b=13872

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

diff --git a/lustre/include/lustre_export.h b/lustre/include/lustre_export.h
index 39df979..787094c 100644 (file)
--- a/lustre/include/lustre_export.h
+++ b/lustre/include/lustre_export.h
@@ -11,6 +11,9 @@
 
 /* Data stored per client in the last_rcvd file.  In le32 order. */
 struct mds_client_data;
+struct mdt_client_data;
+struct mds_idmap_table;
+struct mdt_idmap_table;
 
 struct mds_export_data {
         struct list_head        med_open_head;
@@ -19,6 +22,24 @@ struct mds_export_data {
         __u64                   med_ibits_known;
         loff_t                  med_lr_off;
         int                     med_lr_idx;
+        unsigned int            med_rmtclient:1; /* remote client? */
+        __u32                   med_nllu;
+        __u32                   med_nllg;
+        struct mds_idmap_table *med_idmap;
+};
+
+struct mdt_export_data {
+        struct list_head        med_open_head;
+        spinlock_t              med_open_lock; /* lock med_open_head, mfd_list*/
+        struct semaphore        med_mcd_lock; 
+        struct mdt_client_data *med_mcd;
+        __u64                   med_ibits_known;
+        loff_t                  med_lr_off;
+        int                     med_lr_idx;
+        unsigned int            med_rmtclient:1; /* remote client? */
+        __u32                   med_nllu;
+        __u32                   med_nllg;
+        struct mdt_idmap_table *med_idmap;
 };
 
 struct osc_creator {
@@ -34,7 +55,7 @@ struct osc_creator {
 };
 
 struct ldlm_export_data {
-        struct list_head       led_held_locks; /* protected by led_lock below */
+        struct list_head       led_held_locks; /* protected by led_lock */
         spinlock_t             led_lock;
 };
 
@@ -54,6 +75,7 @@ struct filter_export_data {
         struct list_head           fed_mod_list; /* files being modified */
         int                        fed_mod_count;/* items in fed_writing list */
         long                       fed_pending;  /* bytes just being written */
+        __u32                      fed_group;
         struct brw_stats           fed_brw_stats;
 };
 
@@ -63,14 +85,13 @@ struct obd_export {
         atomic_t                  exp_rpc_count;
         struct obd_uuid           exp_client_uuid;
         struct list_head          exp_obd_chain;
-        struct hlist_node         exp_uuid_hash; /* uuid-export hash*/
-        struct hlist_node         exp_nid_hash; /* nid-export hash */
         /* exp_obd_chain_timed fo ping evictor, protected by obd_dev_lock */
         struct list_head          exp_obd_chain_timed;
         struct obd_device        *exp_obd;
         struct obd_import        *exp_imp_reverse; /* to make RPCs backwards */
         struct proc_dir_entry    *exp_proc;
         struct lprocfs_stats     *exp_ops_stats;
+        struct lprocfs_stats     *exp_md_stats;
         struct lprocfs_stats     *exp_ldlm_stats;
         struct ptlrpc_connection *exp_connection;
         __u32                     exp_conn_cnt;
@@ -82,23 +103,47 @@ struct obd_export {
         __u64                     exp_connect_flags;
         int                       exp_flags;
         unsigned int              exp_failed:1,
+                                  exp_in_recovery:1,
                                   exp_disconnected:1,
                                   exp_connecting:1,
-                                  exp_replay_needed:1,
-                                  exp_need_sync:1, /* needs sync from connect */
+                                  exp_req_replay_needed:1,
+                                  exp_lock_replay_needed:1,
+                                  exp_need_sync:1,
                                   exp_libclient:1; /* liblustre client? */
         union {
                 struct mds_export_data    eu_mds_data;
+                struct mdt_export_data    eu_mdt_data;
                 struct filter_export_data eu_filter_data;
                 struct ec_export_data     eu_ec_data;
         } u;
 };
 
 #define exp_mds_data    u.eu_mds_data
+#define exp_mdt_data    u.eu_mdt_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
 
+static inline int exp_connect_cancelset(struct obd_export *exp)
+{
+        return exp ? !!(exp->exp_connect_flags & OBD_CONNECT_CANCELSET) : 0;
+}
+
+static inline int exp_connect_lru_resize(struct obd_export *exp)
+{
+        LASSERT(exp != NULL);
+        return !!(exp->exp_connect_flags & OBD_CONNECT_LRU_RESIZE);
+}
+
+static inline int imp_connect_lru_resize(struct obd_import *imp)
+{
+        struct obd_connect_data *ocd;
+
+        LASSERT(imp != NULL);
+        ocd = &imp->imp_connect_data;
+        return !!(ocd->ocd_connect_flags & OBD_CONNECT_LRU_RESIZE);
+}
+
 extern struct obd_export *class_conn2export(struct lustre_handle *conn);
 extern struct obd_device *class_conn2obd(struct lustre_handle *conn);