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/*
* 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 https://opensource.org/licenses/CDDL-1.0.
* 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 */
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