LU-8066 obdclass : Add infrastructure for procfs to sysfs migration

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

diff --git a/lustre/obdclass/genops.c b/lustre/obdclass/genops.c
index 6587603..fb3bd9a 100644 (file)
--- a/lustre/obdclass/genops.c
+++ b/lustre/obdclass/genops.c
@@ -213,6 +213,12 @@ int class_register_type(struct obd_ops *dt_ops, struct md_ops *md_ops,
                }
        }
 #endif
+       type->typ_kobj = kobject_create_and_add(type->typ_name, lustre_kobj);
+       if (!type->typ_kobj) {
+               rc = -ENOMEM;
+               GOTO(failed, rc);
+       }
+
         if (ldt != NULL) {
                 type->typ_lu = ldt;
                 rc = lu_device_type_init(ldt);
@@ -227,6 +233,8 @@ int class_register_type(struct obd_ops *dt_ops, struct md_ops *md_ops,
         RETURN (0);
 
 failed:
+       if (type->typ_kobj)
+               kobject_put(type->typ_kobj);
        if (type->typ_name != NULL) {
 #ifdef CONFIG_PROC_FS
                if (type->typ_procroot != NULL)
@@ -262,6 +270,9 @@ int class_unregister_type(const char *name)
                 RETURN(-EBUSY);
         }
 
+       if (type->typ_kobj)
+               kobject_put(type->typ_kobj);
+
        /* we do not use type->typ_procroot as for compatibility purposes
         * other modules can share names (i.e. lod can use lov entry). so
         * we can't reference pointer as it can get invalided when another