* GPL HEADER END
*/
/*
- * Copyright (c) 2012 Whamcloud, Inc.
+ * Copyright (c) 2012, Intel Corporation.
*/
/*
* lustre/obdclass/local_storage.c
*
* Author: Mikhail Pershin <mike.pershin@intel.com>
*/
-
-#define DEBUG_SUBSYSTEM S_CLASS
+#ifndef __LOCAL_STORAGE_H
+#define __LOCAL_STORAGE_H
#include <dt_object.h>
#include <obd.h>
struct dt_device *ls_osd;
/* list of all local OID storages */
cfs_list_t ls_los_list;
- cfs_mutex_t ls_los_mutex;
+ struct mutex ls_los_mutex;
};
static inline struct ls_device *dt2ls_dev(struct dt_device *d)
return dt_locate_at(env, ls->ls_osd, fid, &ls->ls_top_dev.dd_lu_dev);
}
+struct ls_device *ls_device_get(struct dt_device *dev);
+void ls_device_put(const struct lu_env *env, struct ls_device *ls);
+struct local_oid_storage *dt_los_find(struct ls_device *ls, __u64 seq);
+void dt_los_put(struct local_oid_storage *los);
+
+/* Lustre 2.3 on-disk structure describing local object OIDs storage
+ * the structure to be used with any sequence managed by
+ * local object library.
+ * Obsoleted since 2.4 but is kept for compatibility reasons,
+ * see lastid_compat_check() in obdclass/local_storage.c */
+struct los_ondisk {
+ __u32 lso_magic;
+ __u32 lso_next_oid;
+};
+
+#define LOS_MAGIC 0xdecafbee
+#endif