/usr/include/libzfs/sys/bptree.h is in libzfslinux-dev 0.7.5-1ubuntu15.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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 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 (c) 2012, 2014 by Delphix. All rights reserved.
*/
#ifndef _SYS_BPTREE_H
#define _SYS_BPTREE_H
#include <sys/spa.h>
#include <sys/zio.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct bptree_phys {
uint64_t bt_begin;
uint64_t bt_end;
uint64_t bt_bytes;
uint64_t bt_comp;
uint64_t bt_uncomp;
} bptree_phys_t;
typedef struct bptree_entry_phys {
blkptr_t be_bp;
uint64_t be_birth_txg; /* only delete blocks born after this txg */
zbookmark_phys_t be_zb; /* holds traversal resume point if needed */
} bptree_entry_phys_t;
typedef int bptree_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx);
uint64_t bptree_alloc(objset_t *os, dmu_tx_t *tx);
int bptree_free(objset_t *os, uint64_t obj, dmu_tx_t *tx);
boolean_t bptree_is_empty(objset_t *os, uint64_t obj);
void bptree_add(objset_t *os, uint64_t obj, blkptr_t *bp, uint64_t birth_txg,
uint64_t bytes, uint64_t comp, uint64_t uncomp, dmu_tx_t *tx);
int bptree_iterate(objset_t *os, uint64_t obj, boolean_t free,
bptree_itor_t func, void *arg, dmu_tx_t *tx);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_BPTREE_H */
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