config/dracut/90zfs: handle cases where hostid(1) returns all zeros
[zfs.git] / include / sys / bptree.h
blob327c128bf493c52218a4d99a9b422c527727a96e
1 /*
2 * CDDL HEADER START
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.
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.
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]
19 * CDDL HEADER END
22 * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
25 #ifndef _SYS_BPTREE_H
26 #define _SYS_BPTREE_H
28 #include <sys/spa.h>
29 #include <sys/zio.h>
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
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;
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;
49 typedef int bptree_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx);
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);
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);
58 int bptree_iterate(objset_t *os, uint64_t obj, boolean_t free,
59 bptree_itor_t func, void *arg, dmu_tx_t *tx);
61 #ifdef __cplusplus
63 #endif
65 #endif /* _SYS_BPTREE_H */