*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef __LUSTRE_HANDLES_H_
*/
#include <linux/rcupdate.h>
-#ifdef HAVE_REFCOUNT_T
#include <linux/refcount.h>
-#else
-#include <libcfs/linux/linux-refcount.h>
-#endif
#include <linux/spinlock.h>
#include <libcfs/libcfs.h>
-struct portals_handle_ops {
- /* hop_type is used for some debugging messages */
- char *hop_type;
-};
-
/* These handles are most easily used by having them appear at the very top of
* whatever object that you want to make handles for. ie:
*
* ldlm_lock. If it's not at the top, you'll want to use container_of()
* to compute the start of the structure based on the handle field. */
struct portals_handle {
- struct list_head h_link;
+ struct hlist_node h_link;
__u64 h_cookie;
- const struct portals_handle_ops *h_ops;
+ const char *h_owner;
refcount_t h_ref;
-
- /* newly added fields to handle the RCU issue. -jxiong */
struct rcu_head h_rcu;
- spinlock_t h_lock;
- unsigned int h_in:1;
};
/* handles.c */
/* Add a handle to the hash table */
-void class_handle_hash(struct portals_handle *,
- const struct portals_handle_ops *ops);
+void class_handle_hash(struct portals_handle *, const char *h_owner);
void class_handle_unhash(struct portals_handle *);
-void *class_handle2object(u64 cookie, const struct portals_handle_ops *ops);
+void *class_handle2object(u64 cookie, const char *h_owner);
int class_handle_init(void);
void class_handle_cleanup(void);