1 // SPDX-License-Identifier: CDDL-1.0 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or https://opensource.org/licenses/CDDL-1.0. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 2012, 2014 by Delphix. All rights reserved. 24 */ 25 26 #ifndef _SYS_BPTREE_H 27 #define _SYS_BPTREE_H 28 29 #include <sys/spa.h> 30 #include <sys/zio.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 typedef struct bptree_phys { 37 uint64_t bt_begin; 38 uint64_t bt_end; 39 uint64_t bt_bytes; 40 uint64_t bt_comp; 41 uint64_t bt_uncomp; 42 } bptree_phys_t; 43 44 typedef struct bptree_entry_phys { 45 blkptr_t be_bp; 46 uint64_t be_birth_txg; /* only delete blocks born after this txg */ 47 zbookmark_phys_t be_zb; /* holds traversal resume point if needed */ 48 } bptree_entry_phys_t; 49 50 typedef int bptree_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx); 51 52 uint64_t bptree_alloc(objset_t *os, dmu_tx_t *tx); 53 int bptree_free(objset_t *os, uint64_t obj, dmu_tx_t *tx); 54 boolean_t bptree_is_empty(objset_t *os, uint64_t obj); 55 56 void bptree_add(objset_t *os, uint64_t obj, blkptr_t *bp, uint64_t birth_txg, 57 uint64_t bytes, uint64_t comp, uint64_t uncomp, dmu_tx_t *tx); 58 59 int bptree_iterate(objset_t *os, uint64_t obj, boolean_t free, 60 bptree_itor_t func, void *arg, dmu_tx_t *tx); 61 62 #ifdef __cplusplus 63 } 64 #endif 65 66 #endif /* _SYS_BPTREE_H */ 67