58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or http://www.opensolaris.org/os/licensing.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
/*
|
|
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2013 by Delphix. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _SYS_SPACE_REFTREE_H
|
|
#define _SYS_SPACE_REFTREE_H
|
|
|
|
#include <sys/range_tree.h>
|
|
#include <sys/avl.h>
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct space_ref {
|
|
avl_node_t sr_node; /* AVL node */
|
|
uint64_t sr_offset; /* range offset (start or end) */
|
|
int64_t sr_refcnt; /* associated reference count */
|
|
} space_ref_t;
|
|
|
|
void space_reftree_create(avl_tree_t *t);
|
|
void space_reftree_destroy(avl_tree_t *t);
|
|
void space_reftree_add_seg(avl_tree_t *t, uint64_t start, uint64_t end,
|
|
int64_t refcnt);
|
|
void space_reftree_add_map(avl_tree_t *t, range_tree_t *rt, int64_t refcnt);
|
|
void space_reftree_generate_map(avl_tree_t *t, range_tree_t *rt,
|
|
int64_t minref);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYS_SPACE_REFTREE_H */
|