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34dc7c2f BB |
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 | |
1d3ba0bf | 9 | * or https://opensource.org/licenses/CDDL-1.0. |
34dc7c2f BB |
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 | /* | |
428870ff | 22 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
492f64e9 | 23 | * Copyright (c) 2011, 2018 by Delphix. All rights reserved. |
cc99f275 | 24 | * Copyright (c) 2017, Intel Corporation. |
34dc7c2f BB |
25 | */ |
26 | ||
27 | #ifndef _SYS_METASLAB_H | |
28 | #define _SYS_METASLAB_H | |
29 | ||
34dc7c2f BB |
30 | #include <sys/spa.h> |
31 | #include <sys/space_map.h> | |
32 | #include <sys/txg.h> | |
33 | #include <sys/zio.h> | |
34 | #include <sys/avl.h> | |
35 | ||
36 | #ifdef __cplusplus | |
37 | extern "C" { | |
38 | #endif | |
39 | ||
4e21fd06 | 40 | |
93cf2076 | 41 | typedef struct metaslab_ops { |
95f71c01 | 42 | const char *msop_name; |
4e21fd06 | 43 | uint64_t (*msop_alloc)(metaslab_t *, uint64_t); |
93cf2076 | 44 | } metaslab_ops_t; |
9babb374 | 45 | |
4e21fd06 | 46 | |
18168da7 | 47 | extern const metaslab_ops_t zfs_metaslab_ops; |
93cf2076 | 48 | |
fb42a493 PS |
49 | int metaslab_init(metaslab_group_t *, uint64_t, uint64_t, uint64_t, |
50 | metaslab_t **); | |
f3a7f661 | 51 | void metaslab_fini(metaslab_t *); |
93cf2076 | 52 | |
600a02b8 | 53 | void metaslab_set_unflushed_dirty(metaslab_t *, boolean_t); |
93e28d66 SD |
54 | void metaslab_set_unflushed_txg(metaslab_t *, uint64_t, dmu_tx_t *); |
55 | void metaslab_set_estimated_condensed_size(metaslab_t *, uint64_t, dmu_tx_t *); | |
600a02b8 | 56 | boolean_t metaslab_unflushed_dirty(metaslab_t *); |
93e28d66 SD |
57 | uint64_t metaslab_unflushed_txg(metaslab_t *); |
58 | uint64_t metaslab_estimated_condensed_size(metaslab_t *); | |
59 | int metaslab_sort_by_flushed(const void *, const void *); | |
600a02b8 | 60 | void metaslab_unflushed_bump(metaslab_t *, dmu_tx_t *, boolean_t); |
93e28d66 SD |
61 | uint64_t metaslab_unflushed_changes_memused(metaslab_t *); |
62 | ||
f3a7f661 GW |
63 | int metaslab_load(metaslab_t *); |
64 | void metaslab_unload(metaslab_t *); | |
93e28d66 | 65 | boolean_t metaslab_flush(metaslab_t *, dmu_tx_t *); |
425d3237 SD |
66 | |
67 | uint64_t metaslab_allocated_space(metaslab_t *); | |
93cf2076 | 68 | |
f3a7f661 GW |
69 | void metaslab_sync(metaslab_t *, uint64_t); |
70 | void metaslab_sync_done(metaslab_t *, uint64_t); | |
71 | void metaslab_sync_reassess(metaslab_group_t *); | |
c81f1790 | 72 | uint64_t metaslab_largest_allocatable(metaslab_t *); |
34dc7c2f | 73 | |
cc99f275 DB |
74 | /* |
75 | * metaslab alloc flags | |
76 | */ | |
3dfb57a3 DB |
77 | #define METASLAB_HINTBP_FAVOR 0x0 |
78 | #define METASLAB_HINTBP_AVOID 0x1 | |
79 | #define METASLAB_GANG_HEADER 0x2 | |
80 | #define METASLAB_GANG_CHILD 0x4 | |
81 | #define METASLAB_ASYNC_ALLOC 0x8 | |
82 | #define METASLAB_DONT_THROTTLE 0x10 | |
cc99f275 | 83 | #define METASLAB_MUST_RESERVE 0x20 |
be5c6d96 | 84 | #define METASLAB_ZIL 0x80 |
b128c09f | 85 | |
f3a7f661 | 86 | int metaslab_alloc(spa_t *, metaslab_class_t *, uint64_t, |
492f64e9 PD |
87 | blkptr_t *, int, uint64_t, blkptr_t *, int, zio_alloc_list_t *, zio_t *, |
88 | int); | |
a1d477c2 | 89 | int metaslab_alloc_dva(spa_t *, metaslab_class_t *, uint64_t, |
492f64e9 | 90 | dva_t *, int, dva_t *, uint64_t, int, zio_alloc_list_t *, int); |
f3a7f661 | 91 | void metaslab_free(spa_t *, const blkptr_t *, uint64_t, boolean_t); |
d2734cce SD |
92 | void metaslab_free_concrete(vdev_t *, uint64_t, uint64_t, boolean_t); |
93 | void metaslab_free_dva(spa_t *, const dva_t *, boolean_t); | |
a1d477c2 MA |
94 | void metaslab_free_impl_cb(uint64_t, vdev_t *, uint64_t, uint64_t, void *); |
95 | void metaslab_unalloc_dva(spa_t *, const dva_t *, uint64_t); | |
f3a7f661 | 96 | int metaslab_claim(spa_t *, const blkptr_t *, uint64_t); |
a1d477c2 | 97 | int metaslab_claim_impl(vdev_t *, uint64_t, uint64_t, uint64_t); |
f3a7f661 | 98 | void metaslab_check_free(spa_t *, const blkptr_t *); |
34dc7c2f | 99 | |
ca577779 PD |
100 | void metaslab_stat_init(void); |
101 | void metaslab_stat_fini(void); | |
4e21fd06 DB |
102 | void metaslab_trace_init(zio_alloc_list_t *); |
103 | void metaslab_trace_fini(zio_alloc_list_t *); | |
104 | ||
18168da7 | 105 | metaslab_class_t *metaslab_class_create(spa_t *, const metaslab_ops_t *); |
f3a7f661 GW |
106 | void metaslab_class_destroy(metaslab_class_t *); |
107 | int metaslab_class_validate(metaslab_class_t *); | |
108 | void metaslab_class_histogram_verify(metaslab_class_t *); | |
109 | uint64_t metaslab_class_fragmentation(metaslab_class_t *); | |
110 | uint64_t metaslab_class_expandable_space(metaslab_class_t *); | |
492f64e9 | 111 | boolean_t metaslab_class_throttle_reserve(metaslab_class_t *, int, int, |
3dfb57a3 | 112 | zio_t *, int); |
492f64e9 | 113 | void metaslab_class_throttle_unreserve(metaslab_class_t *, int, int, zio_t *); |
f09fda50 | 114 | void metaslab_class_evict_old(metaslab_class_t *, uint64_t); |
f3a7f661 GW |
115 | uint64_t metaslab_class_get_alloc(metaslab_class_t *); |
116 | uint64_t metaslab_class_get_space(metaslab_class_t *); | |
117 | uint64_t metaslab_class_get_dspace(metaslab_class_t *); | |
118 | uint64_t metaslab_class_get_deferred(metaslab_class_t *); | |
34dc7c2f | 119 | |
93e28d66 SD |
120 | void metaslab_space_update(vdev_t *, metaslab_class_t *, |
121 | int64_t, int64_t, int64_t); | |
122 | ||
492f64e9 | 123 | metaslab_group_t *metaslab_group_create(metaslab_class_t *, vdev_t *, int); |
f3a7f661 GW |
124 | void metaslab_group_destroy(metaslab_group_t *); |
125 | void metaslab_group_activate(metaslab_group_t *); | |
126 | void metaslab_group_passivate(metaslab_group_t *); | |
3dfb57a3 | 127 | boolean_t metaslab_group_initialized(metaslab_group_t *); |
f3a7f661 GW |
128 | uint64_t metaslab_group_get_space(metaslab_group_t *); |
129 | void metaslab_group_histogram_verify(metaslab_group_t *); | |
130 | uint64_t metaslab_group_fragmentation(metaslab_group_t *); | |
131 | void metaslab_group_histogram_remove(metaslab_group_t *, metaslab_t *); | |
dd66857d | 132 | void metaslab_group_alloc_decrement(spa_t *, uint64_t, const void *, int, int, |
492f64e9 | 133 | boolean_t); |
dd66857d | 134 | void metaslab_group_alloc_verify(spa_t *, const blkptr_t *, const void *, int); |
928e8ad4 | 135 | void metaslab_recalculate_weight_and_sort(metaslab_t *); |
1b939560 | 136 | void metaslab_disable(metaslab_t *); |
f09fda50 PD |
137 | void metaslab_enable(metaslab_t *, boolean_t, boolean_t); |
138 | void metaslab_set_selected_txg(metaslab_t *, uint64_t); | |
34dc7c2f | 139 | |
93e28d66 SD |
140 | extern int metaslab_debug_load; |
141 | ||
6774931d MA |
142 | range_seg_type_t metaslab_calculate_range_tree_type(vdev_t *vdev, |
143 | metaslab_t *msp, uint64_t *start, uint64_t *shift); | |
144 | ||
34dc7c2f BB |
145 | #ifdef __cplusplus |
146 | } | |
147 | #endif | |
148 | ||
149 | #endif /* _SYS_METASLAB_H */ |