Branch HEAD

[fs/lustre-release.git] / lustre / obdclass / obd_config.c

diff --git a/lustre/obdclass/obd_config.c b/lustre/obdclass/obd_config.c
index f5284b5..3c0da53 100644 (file)
--- a/lustre/obdclass/obd_config.c
+++ b/lustre/obdclass/obd_config.c
@@ -38,6 +38,10 @@
 #include <lprocfs_status.h>
 #include <libcfs/list.h>
 #include <lustre_param.h>
+#include <class_hash.h>
+
+extern struct lustre_hash_operations uuid_hash_operations;
+extern struct lustre_hash_operations nid_hash_operations;
 
 /*********** string parsing utils *********/
 
@@ -179,6 +183,7 @@ int class_attach(struct lustre_cfg *lcfg)
         cfs_init_timer(&obd->obd_recovery_timer);
         spin_lock_init(&obd->obd_processing_task_lock);
         cfs_waitq_init(&obd->obd_next_transno_waitq);
+        cfs_waitq_init(&obd->obd_evict_inprogress_waitq);
         CFS_INIT_LIST_HEAD(&obd->obd_req_replay_queue);
         CFS_INIT_LIST_HEAD(&obd->obd_lock_replay_queue);
         CFS_INIT_LIST_HEAD(&obd->obd_final_req_queue);
@@ -254,6 +259,19 @@ int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
         obd->obd_starting = 1;
         spin_unlock(&obd->obd_dev_lock);
 
+        /* create an uuid-export hash body */
+        err = lustre_hash_init(&obd->obd_uuid_hash_body, "UUID_HASH", 
+                               128, &uuid_hash_operations);
+        if (err) {
+                GOTO(err_hash, err);
+        }
+
+        /* create a nid-export hash body */
+        err = lustre_hash_init(&obd->obd_nid_hash_body, "NID_HASH", 
+                               128, &nid_hash_operations);
+        if (err)
+                GOTO(err_hash, err);
+
         exp = class_new_export(obd, &obd->obd_uuid);
         if (IS_ERR(exp))
                 RETURN(PTR_ERR(exp));
@@ -278,10 +296,13 @@ int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
         RETURN(0);
 
 err_exp:
-        CERROR("setup %s failed (%d)\n", obd->obd_name, err);
         class_unlink_export(obd->obd_self_export);
         obd->obd_self_export = NULL;
+err_hash:
+        lustre_hash_exit(&obd->obd_uuid_hash_body);
+        lustre_hash_exit(&obd->obd_nid_hash_body);
         obd->obd_starting = 0;
+        CERROR("setup %s failed (%d)\n", obd->obd_name, err);
         RETURN(err);
 }
 
@@ -410,6 +431,12 @@ int class_cleanup(struct obd_device *obd, struct lustre_cfg *lcfg)
         }
         LASSERT(obd->obd_self_export);
 
+        /* destroy an uuid-export hash body */
+        lustre_hash_exit(&obd->obd_uuid_hash_body);
+
+        /* destroy a nid-export hash body */
+        lustre_hash_exit(&obd->obd_nid_hash_body);
+
         /* Precleanup stage 1, we must make sure all exports (other than the
            self-export) get destroyed. */
         err = obd_precleanup(obd, OBD_CLEANUP_EXPORTS);