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10592 misc. metaslab and vdev related ZoL bug fixes
Portions contributed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed by: George Melikov <mail@gmelikov.ru>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: Tony Hutter <hutter2@llnl.gov>
Reviewed by: Kody Kantor <kody.kantor@joyent.com>
Approved by: Dan McDonald <danmcd@joyent.com>
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--- old/usr/src/uts/common/fs/zfs/sys/metaslab.h
+++ new/usr/src/uts/common/fs/zfs/sys/metaslab.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 23 * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
24 24 * Copyright (c) 2017, Intel Corporation.
25 25 */
26 26
27 27 #ifndef _SYS_METASLAB_H
28 28 #define _SYS_METASLAB_H
29 29
30 30 #include <sys/spa.h>
31 31 #include <sys/space_map.h>
32 32 #include <sys/txg.h>
33 33 #include <sys/zio.h>
34 34 #include <sys/avl.h>
35 35
36 36 #ifdef __cplusplus
37 37 extern "C" {
38 38 #endif
39 39
40 40
41 41 typedef struct metaslab_ops {
42 42 uint64_t (*msop_alloc)(metaslab_t *, uint64_t);
43 43 } metaslab_ops_t;
44 44
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45 45
46 46 extern metaslab_ops_t *zfs_metaslab_ops;
47 47
48 48 int metaslab_init(metaslab_group_t *, uint64_t, uint64_t, uint64_t,
49 49 metaslab_t **);
50 50 void metaslab_fini(metaslab_t *);
51 51
52 52 int metaslab_load(metaslab_t *);
53 53 void metaslab_unload(metaslab_t *);
54 54
55 +uint64_t metaslab_allocated_space(metaslab_t *);
56 +
55 57 void metaslab_sync(metaslab_t *, uint64_t);
56 58 void metaslab_sync_done(metaslab_t *, uint64_t);
57 59 void metaslab_sync_reassess(metaslab_group_t *);
58 60 uint64_t metaslab_block_maxsize(metaslab_t *);
59 61
60 62 /*
61 63 * metaslab alloc flags
62 64 */
63 65 #define METASLAB_HINTBP_FAVOR 0x0
64 66 #define METASLAB_HINTBP_AVOID 0x1
65 67 #define METASLAB_GANG_HEADER 0x2
66 68 #define METASLAB_GANG_CHILD 0x4
67 69 #define METASLAB_ASYNC_ALLOC 0x8
68 70 #define METASLAB_DONT_THROTTLE 0x10
69 71 #define METASLAB_MUST_RESERVE 0x20
70 72 #define METASLAB_FASTWRITE 0x40
71 73
72 74 int metaslab_alloc(spa_t *, metaslab_class_t *, uint64_t,
73 75 blkptr_t *, int, uint64_t, blkptr_t *, int, zio_alloc_list_t *, zio_t *,
74 76 int);
75 77 int metaslab_alloc_dva(spa_t *, metaslab_class_t *, uint64_t,
76 78 dva_t *, int, dva_t *, uint64_t, int, zio_alloc_list_t *, int);
77 79 void metaslab_free(spa_t *, const blkptr_t *, uint64_t, boolean_t);
78 80 void metaslab_free_concrete(vdev_t *, uint64_t, uint64_t, boolean_t);
79 81 void metaslab_free_dva(spa_t *, const dva_t *, boolean_t);
80 82 void metaslab_free_impl_cb(uint64_t, vdev_t *, uint64_t, uint64_t, void *);
81 83 void metaslab_unalloc_dva(spa_t *, const dva_t *, uint64_t);
82 84 int metaslab_claim(spa_t *, const blkptr_t *, uint64_t);
83 85 int metaslab_claim_impl(vdev_t *, uint64_t, uint64_t, uint64_t);
84 86 void metaslab_check_free(spa_t *, const blkptr_t *);
85 87
86 88 void metaslab_alloc_trace_init(void);
87 89 void metaslab_alloc_trace_fini(void);
88 90 void metaslab_trace_init(zio_alloc_list_t *);
89 91 void metaslab_trace_fini(zio_alloc_list_t *);
90 92
91 93 metaslab_class_t *metaslab_class_create(spa_t *, metaslab_ops_t *);
92 94 void metaslab_class_destroy(metaslab_class_t *);
93 95 int metaslab_class_validate(metaslab_class_t *);
94 96 void metaslab_class_histogram_verify(metaslab_class_t *);
95 97 uint64_t metaslab_class_fragmentation(metaslab_class_t *);
96 98 uint64_t metaslab_class_expandable_space(metaslab_class_t *);
97 99 boolean_t metaslab_class_throttle_reserve(metaslab_class_t *, int, int,
98 100 zio_t *, int);
99 101 void metaslab_class_throttle_unreserve(metaslab_class_t *, int, int, zio_t *);
100 102
101 103 uint64_t metaslab_class_get_alloc(metaslab_class_t *);
102 104 uint64_t metaslab_class_get_space(metaslab_class_t *);
103 105 uint64_t metaslab_class_get_dspace(metaslab_class_t *);
104 106 uint64_t metaslab_class_get_deferred(metaslab_class_t *);
105 107
106 108 metaslab_group_t *metaslab_group_create(metaslab_class_t *, vdev_t *, int);
107 109 void metaslab_group_destroy(metaslab_group_t *);
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108 110 void metaslab_group_activate(metaslab_group_t *);
109 111 void metaslab_group_passivate(metaslab_group_t *);
110 112 boolean_t metaslab_group_initialized(metaslab_group_t *);
111 113 uint64_t metaslab_group_get_space(metaslab_group_t *);
112 114 void metaslab_group_histogram_verify(metaslab_group_t *);
113 115 uint64_t metaslab_group_fragmentation(metaslab_group_t *);
114 116 void metaslab_group_histogram_remove(metaslab_group_t *, metaslab_t *);
115 117 void metaslab_group_alloc_decrement(spa_t *, uint64_t, void *, int, int,
116 118 boolean_t);
117 119 void metaslab_group_alloc_verify(spa_t *, const blkptr_t *, void *, int);
120 +void metaslab_recalculate_weight_and_sort(metaslab_t *);
118 121
119 122 #ifdef __cplusplus
120 123 }
121 124 #endif
122 125
123 126 #endif /* _SYS_METASLAB_H */
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