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NEX-5553 ZFS auto-trim, manual-trim and scrub can race and deadlock
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
6414 vdev_config_sync could be simpler
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>
5269 zpool import slow
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>
NEX-3984 On-demand TRIM
Reviewed by: Alek Pinchuk <alek@nexenta.com>
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Conflicts:
usr/src/common/zfs/zpool_prop.c
usr/src/uts/common/sys/fs/zfs.h
NEX-3558 KRRP Integration
NEX-3165 need some dedup improvements
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
4370 avoid transmitting holes during zfs send
4371 DMU code clean up
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Garrett D'Amore <garrett@damore.org>
OS-80 support for vdev and CoS properties for the new I/O scheduler
OS-95 lint warning introduced by OS-61
zfsxx issue #11: support for spare device groups
re #12585 rb4049 ZFS++ work port - refactoring to improve separation of open/closed code, bug fixes, performance improvements - open code
Bug 11205: add missing libzfs_closed_stubs.c to fix opensource-only build.
ZFS plus work: special vdevs, cos, cos/vdev properties
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--- old/usr/src/uts/common/fs/zfs/sys/vdev.h
+++ new/usr/src/uts/common/fs/zfs/sys/vdev.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
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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 /*
23 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 - * Copyright (c) 2011, 2016 by Delphix. All rights reserved.
24 + * Copyright (c) 2013 by Delphix. All rights reserved.
25 + * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
25 26 */
26 27
27 28 #ifndef _SYS_VDEV_H
28 29 #define _SYS_VDEV_H
29 30
30 31 #include <sys/spa.h>
31 32 #include <sys/zio.h>
32 33 #include <sys/dmu.h>
33 34 #include <sys/space_map.h>
34 35 #include <sys/fs/zfs.h>
35 36
36 37 #ifdef __cplusplus
37 38 extern "C" {
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38 39 #endif
39 40
40 41 typedef enum vdev_dtl_type {
41 42 DTL_MISSING, /* 0% replication: no copies of the data */
42 43 DTL_PARTIAL, /* less than 100% replication: some copies missing */
43 44 DTL_SCRUB, /* unable to fully repair during scrub/resilver */
44 45 DTL_OUTAGE, /* temporarily missing (used to attempt detach) */
45 46 DTL_TYPES
46 47 } vdev_dtl_type_t;
47 48
49 +typedef struct vdev_trim_info {
50 + vdev_t *vti_vdev;
51 + uint64_t vti_txg; /* ignored for manual trim */
52 + void (*vti_done_cb)(void *);
53 + void *vti_done_arg;
54 +} vdev_trim_info_t;
55 +
48 56 extern boolean_t zfs_nocacheflush;
49 57
50 -extern void vdev_dbgmsg(vdev_t *vd, const char *fmt, ...);
51 -extern void vdev_dbgmsg_print_tree(vdev_t *, int);
52 58 extern int vdev_open(vdev_t *);
53 59 extern void vdev_open_children(vdev_t *);
54 60 extern boolean_t vdev_uses_zvols(vdev_t *);
55 -extern int vdev_validate(vdev_t *);
56 -extern int vdev_copy_path_strict(vdev_t *, vdev_t *);
57 -extern void vdev_copy_path_relaxed(vdev_t *, vdev_t *);
61 +extern int vdev_validate(vdev_t *, boolean_t);
58 62 extern void vdev_close(vdev_t *);
59 63 extern int vdev_create(vdev_t *, uint64_t txg, boolean_t isreplace);
60 64 extern void vdev_reopen(vdev_t *);
61 65 extern int vdev_validate_aux(vdev_t *vd);
62 66 extern zio_t *vdev_probe(vdev_t *vd, zio_t *pio);
63 -extern boolean_t vdev_is_concrete(vdev_t *vd);
67 +
64 68 extern boolean_t vdev_is_bootable(vdev_t *vd);
65 69 extern vdev_t *vdev_lookup_top(spa_t *spa, uint64_t vdev);
66 70 extern vdev_t *vdev_lookup_by_guid(vdev_t *vd, uint64_t guid);
67 71 extern int vdev_count_leaves(spa_t *spa);
68 72 extern void vdev_dtl_dirty(vdev_t *vd, vdev_dtl_type_t d,
69 73 uint64_t txg, uint64_t size);
70 74 extern boolean_t vdev_dtl_contains(vdev_t *vd, vdev_dtl_type_t d,
71 75 uint64_t txg, uint64_t size);
72 76 extern boolean_t vdev_dtl_empty(vdev_t *vd, vdev_dtl_type_t d);
73 77 extern void vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg,
74 78 int scrub_done);
75 79 extern boolean_t vdev_dtl_required(vdev_t *vd);
76 80 extern boolean_t vdev_resilver_needed(vdev_t *vd,
77 81 uint64_t *minp, uint64_t *maxp);
78 82 extern void vdev_destroy_unlink_zap(vdev_t *vd, uint64_t zapobj,
79 83 dmu_tx_t *tx);
80 84 extern uint64_t vdev_create_link_zap(vdev_t *vd, dmu_tx_t *tx);
81 85 extern void vdev_construct_zaps(vdev_t *vd, dmu_tx_t *tx);
82 -extern void vdev_destroy_spacemaps(vdev_t *vd, dmu_tx_t *tx);
83 -extern void vdev_indirect_mark_obsolete(vdev_t *vd, uint64_t offset,
84 - uint64_t size, uint64_t txg);
85 -extern void spa_vdev_indirect_mark_obsolete(spa_t *spa, uint64_t vdev,
86 - uint64_t offset, uint64_t size, dmu_tx_t *tx);
87 86
88 87 extern void vdev_hold(vdev_t *);
89 88 extern void vdev_rele(vdev_t *);
90 89
91 90 extern int vdev_metaslab_init(vdev_t *vd, uint64_t txg);
92 91 extern void vdev_metaslab_fini(vdev_t *vd);
93 92 extern void vdev_metaslab_set_size(vdev_t *);
94 93 extern void vdev_expand(vdev_t *vd, uint64_t txg);
95 94 extern void vdev_split(vdev_t *vd);
96 95 extern void vdev_deadman(vdev_t *vd);
97 96
97 +
98 98 extern void vdev_get_stats(vdev_t *vd, vdev_stat_t *vs);
99 99 extern void vdev_clear_stats(vdev_t *vd);
100 100 extern void vdev_stat_update(zio_t *zio, uint64_t psize);
101 101 extern void vdev_scan_stat_init(vdev_t *vd);
102 102 extern void vdev_propagate_state(vdev_t *vd);
103 103 extern void vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state,
104 104 vdev_aux_t aux);
105 -extern boolean_t vdev_children_are_offline(vdev_t *vd);
106 105
107 106 extern void vdev_space_update(vdev_t *vd,
108 107 int64_t alloc_delta, int64_t defer_delta, int64_t space_delta);
109 108
110 109 extern uint64_t vdev_psize_to_asize(vdev_t *vd, uint64_t psize);
111 110
112 111 extern int vdev_fault(spa_t *spa, uint64_t guid, vdev_aux_t aux);
113 112 extern int vdev_degrade(spa_t *spa, uint64_t guid, vdev_aux_t aux);
114 113 extern int vdev_online(spa_t *spa, uint64_t guid, uint64_t flags,
115 114 vdev_state_t *);
116 115 extern int vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags);
117 116 extern void vdev_clear(spa_t *spa, vdev_t *vd);
118 117
119 118 extern boolean_t vdev_is_dead(vdev_t *vd);
120 119 extern boolean_t vdev_readable(vdev_t *vd);
121 120 extern boolean_t vdev_writeable(vdev_t *vd);
122 121 extern boolean_t vdev_allocatable(vdev_t *vd);
123 122 extern boolean_t vdev_accessible(vdev_t *vd, zio_t *zio);
124 123
125 124 extern void vdev_cache_init(vdev_t *vd);
126 125 extern void vdev_cache_fini(vdev_t *vd);
127 126 extern boolean_t vdev_cache_read(zio_t *zio);
128 127 extern void vdev_cache_write(zio_t *zio);
129 128 extern void vdev_cache_purge(vdev_t *vd);
130 129
131 130 extern void vdev_queue_init(vdev_t *vd);
132 131 extern void vdev_queue_fini(vdev_t *vd);
133 132 extern zio_t *vdev_queue_io(zio_t *zio);
134 133 extern void vdev_queue_io_done(zio_t *zio);
135 134
136 135 extern void vdev_config_dirty(vdev_t *vd);
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137 136 extern void vdev_config_clean(vdev_t *vd);
138 137 extern int vdev_config_sync(vdev_t **svd, int svdcount, uint64_t txg);
139 138
140 139 extern void vdev_state_dirty(vdev_t *vd);
141 140 extern void vdev_state_clean(vdev_t *vd);
142 141
143 142 typedef enum vdev_config_flag {
144 143 VDEV_CONFIG_SPARE = 1 << 0,
145 144 VDEV_CONFIG_L2CACHE = 1 << 1,
146 145 VDEV_CONFIG_REMOVING = 1 << 2,
147 - VDEV_CONFIG_MOS = 1 << 3,
148 - VDEV_CONFIG_MISSING = 1 << 4
146 + VDEV_CONFIG_MOS = 1 << 3
149 147 } vdev_config_flag_t;
150 148
151 149 extern void vdev_top_config_generate(spa_t *spa, nvlist_t *config);
152 150 extern nvlist_t *vdev_config_generate(spa_t *spa, vdev_t *vd,
153 151 boolean_t getstats, vdev_config_flag_t flags);
154 152
153 +extern boolean_t vdev_type_is_ddt(vdev_t *vd);
154 +
155 +extern void vdev_man_trim(vdev_trim_info_t *vti);
156 +extern void vdev_auto_trim(vdev_trim_info_t *vti);
157 +
155 158 /*
156 159 * Label routines
157 160 */
158 161 struct uberblock;
159 162 extern uint64_t vdev_label_offset(uint64_t psize, int l, uint64_t offset);
160 163 extern int vdev_label_number(uint64_t psise, uint64_t offset);
161 164 extern nvlist_t *vdev_label_read_config(vdev_t *vd, uint64_t txg);
162 165 extern void vdev_uberblock_load(vdev_t *, struct uberblock *, nvlist_t **);
163 166
164 167 typedef enum {
165 168 VDEV_LABEL_CREATE, /* create/add a new device */
166 169 VDEV_LABEL_REPLACE, /* replace an existing device */
167 170 VDEV_LABEL_SPARE, /* add a new hot spare */
168 171 VDEV_LABEL_REMOVE, /* remove an existing device */
169 172 VDEV_LABEL_L2CACHE, /* add an L2ARC cache device */
170 173 VDEV_LABEL_SPLIT /* generating new label for split-off dev */
171 174 } vdev_labeltype_t;
172 175
173 176 extern int vdev_label_init(vdev_t *vd, uint64_t txg, vdev_labeltype_t reason);
174 177
178 +extern boolean_t vdev_is_special(vdev_t *vd);
179 +
175 180 #ifdef __cplusplus
176 181 }
177 182 #endif
178 183
179 184 #endif /* _SYS_VDEV_H */
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