/*

 * 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 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_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);

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 */