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