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