/usr/include/libzfs/sys/space_reftree.h is in libzfslinux-dev 0.6.5.6-0ubuntu8.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | /*
* 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>
#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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