* GPL HEADER END
*/
/*
- * Copyright (c) 2012 Whamcloud, Inc.
+ * Copyright (c) 2012, 2014, Intel Corporation.
*/
/*
* lustre/obdclass/local_storage.c
*
* Author: Mikhail Pershin <mike.pershin@intel.com>
*/
+#ifndef __LOCAL_STORAGE_H
+#define __LOCAL_STORAGE_H
#include <dt_object.h>
#include <obd.h>
struct ls_device {
struct dt_device ls_top_dev;
/* all initialized ls_devices on this node linked by this */
- cfs_list_t ls_linkage;
+ struct list_head ls_linkage;
/* how many handle's reference this local storage */
- cfs_atomic_t ls_refcount;
+ atomic_t ls_refcount;
/* underlaying OSD device */
struct dt_device *ls_osd;
/* list of all local OID storages */
- cfs_list_t ls_los_list;
- cfs_mutex_t ls_los_mutex;
+ struct list_head ls_los_list;
+ struct mutex ls_los_mutex;
};
static inline struct ls_device *dt2ls_dev(struct dt_device *d)
{
- return container_of0(d, struct ls_device, ls_top_dev);
+ return container_of_safe(d, struct ls_device, ls_top_dev);
}
struct ls_object {
static inline struct ls_object *lu2ls_obj(struct lu_object *o)
{
- return container_of0(o, struct ls_object, ls_obj.do_lu);
+ return container_of_safe(o, struct ls_object, ls_obj.do_lu);
}
static inline struct dt_object *ls_locate(const struct lu_env *env,
struct ls_device *ls,
- const struct lu_fid *fid)
+ const struct lu_fid *fid,
+ const struct lu_object_conf *conf)
{
- return dt_locate_at(env, ls->ls_osd, fid, &ls->ls_top_dev.dd_lu_dev);
+ return dt_locate_at(env, ls->ls_osd, fid,
+ &ls->ls_top_dev.dd_lu_dev, conf);
}
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