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6160 /usr/lib/fs/zfs/bootinstall should use bootadm
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Reviewed by: Adam Števko <adam.stevko@gmail.com>
Reviewed by: Josef Sipek <jeffpc@josefsipek.net>
Approved by: Richard Lowe <richlowe@richlowe.net>
4185 add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R (NULL is not an int)
6171 dsl_prop_unregister() slows down dataset eviction.
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Approved by: Dan McDonald <danmcd@omniti.com>
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--- old/usr/src/uts/common/fs/zfs/sys/dsl_dir.h
+++ new/usr/src/uts/common/fs/zfs/sys/dsl_dir.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) 2012, 2016 by Delphix. All rights reserved.
24 24 * Copyright (c) 2014, Joyent, Inc. All rights reserved.
25 25 * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
26 26 */
27 27
28 28 #ifndef _SYS_DSL_DIR_H
29 29 #define _SYS_DSL_DIR_H
30 30
31 31 #include <sys/dmu.h>
32 32 #include <sys/dsl_pool.h>
33 33 #include <sys/dsl_synctask.h>
34 34 #include <sys/refcount.h>
35 35 #include <sys/zfs_context.h>
36 36
37 37 #ifdef __cplusplus
38 38 extern "C" {
39 39 #endif
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40 40
41 41 struct dsl_dataset;
42 42
43 43 /*
44 44 * DD_FIELD_* are strings that are used in the "extensified" dsl_dir zap object.
45 45 * They should be of the format <reverse-dns>:<field>.
46 46 */
47 47
48 48 #define DD_FIELD_FILESYSTEM_COUNT "com.joyent:filesystem_count"
49 49 #define DD_FIELD_SNAPSHOT_COUNT "com.joyent:snapshot_count"
50 -#define DD_FIELD_LAST_REMAP_TXG "com.delphix:last_remap_txg"
51 50
52 51 typedef enum dd_used {
53 52 DD_USED_HEAD,
54 53 DD_USED_SNAP,
55 54 DD_USED_CHILD,
56 55 DD_USED_CHILD_RSRV,
57 56 DD_USED_REFRSRV,
58 57 DD_USED_NUM
59 58 } dd_used_t;
60 59
61 60 #define DD_FLAG_USED_BREAKDOWN (1<<0)
62 61
63 62 typedef struct dsl_dir_phys {
64 63 uint64_t dd_creation_time; /* not actually used */
65 64 uint64_t dd_head_dataset_obj;
66 65 uint64_t dd_parent_obj;
67 66 uint64_t dd_origin_obj;
68 67 uint64_t dd_child_dir_zapobj;
69 68 /*
70 69 * how much space our children are accounting for; for leaf
71 70 * datasets, == physical space used by fs + snaps
72 71 */
73 72 uint64_t dd_used_bytes;
74 73 uint64_t dd_compressed_bytes;
75 74 uint64_t dd_uncompressed_bytes;
76 75 /* Administrative quota setting */
77 76 uint64_t dd_quota;
78 77 /* Administrative reservation setting */
79 78 uint64_t dd_reserved;
80 79 uint64_t dd_props_zapobj;
81 80 uint64_t dd_deleg_zapobj; /* dataset delegation permissions */
82 81 uint64_t dd_flags;
83 82 uint64_t dd_used_breakdown[DD_USED_NUM];
84 83 uint64_t dd_clones; /* dsl_dir objects */
85 84 uint64_t dd_pad[13]; /* pad out to 256 bytes for good measure */
86 85 } dsl_dir_phys_t;
87 86
88 87 struct dsl_dir {
89 88 dmu_buf_user_t dd_dbu;
90 89
91 90 /* These are immutable; no lock needed: */
92 91 uint64_t dd_object;
93 92 dsl_pool_t *dd_pool;
94 93
95 94 /* Stable until user eviction; no lock needed: */
96 95 dmu_buf_t *dd_dbuf;
97 96
98 97 /* protected by lock on pool's dp_dirty_dirs list */
99 98 txg_node_t dd_dirty_link;
100 99
101 100 /* protected by dp_config_rwlock */
102 101 dsl_dir_t *dd_parent;
103 102
104 103 /* Protected by dd_lock */
105 104 kmutex_t dd_lock;
106 105 list_t dd_props; /* list of dsl_prop_record_t's */
107 106 timestruc_t dd_snap_cmtime; /* last time snapshot namespace changed */
108 107 uint64_t dd_origin_txg;
109 108
110 109 /* gross estimate of space used by in-flight tx's */
111 110 uint64_t dd_tempreserved[TXG_SIZE];
112 111 /* amount of space we expect to write; == amount of dirty data */
113 112 int64_t dd_space_towrite[TXG_SIZE];
114 113
115 114 /* protected by dd_lock; keep at end of struct for better locality */
116 115 char dd_myname[ZFS_MAX_DATASET_NAME_LEN];
117 116 };
118 117
119 118 inline dsl_dir_phys_t *
120 119 dsl_dir_phys(dsl_dir_t *dd)
121 120 {
122 121 return (dd->dd_dbuf->db_data);
123 122 }
124 123
125 124 void dsl_dir_rele(dsl_dir_t *dd, void *tag);
126 125 void dsl_dir_async_rele(dsl_dir_t *dd, void *tag);
127 126 int dsl_dir_hold(dsl_pool_t *dp, const char *name, void *tag,
128 127 dsl_dir_t **, const char **tail);
129 128 int dsl_dir_hold_obj(dsl_pool_t *dp, uint64_t ddobj,
130 129 const char *tail, void *tag, dsl_dir_t **);
131 130 void dsl_dir_name(dsl_dir_t *dd, char *buf);
132 131 int dsl_dir_namelen(dsl_dir_t *dd);
133 132 uint64_t dsl_dir_create_sync(dsl_pool_t *dp, dsl_dir_t *pds,
134 133 const char *name, dmu_tx_t *tx);
135 134
136 135 uint64_t dsl_dir_get_used(dsl_dir_t *dd);
137 136 uint64_t dsl_dir_get_quota(dsl_dir_t *dd);
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138 137 uint64_t dsl_dir_get_reservation(dsl_dir_t *dd);
139 138 uint64_t dsl_dir_get_compressratio(dsl_dir_t *dd);
140 139 uint64_t dsl_dir_get_logicalused(dsl_dir_t *dd);
141 140 uint64_t dsl_dir_get_usedsnap(dsl_dir_t *dd);
142 141 uint64_t dsl_dir_get_usedds(dsl_dir_t *dd);
143 142 uint64_t dsl_dir_get_usedrefreserv(dsl_dir_t *dd);
144 143 uint64_t dsl_dir_get_usedchild(dsl_dir_t *dd);
145 144 void dsl_dir_get_origin(dsl_dir_t *dd, char *buf);
146 145 int dsl_dir_get_filesystem_count(dsl_dir_t *dd, uint64_t *count);
147 146 int dsl_dir_get_snapshot_count(dsl_dir_t *dd, uint64_t *count);
148 -int dsl_dir_get_remaptxg(dsl_dir_t *dd, uint64_t *count);
149 147
150 148 void dsl_dir_stats(dsl_dir_t *dd, nvlist_t *nv);
151 149 uint64_t dsl_dir_space_available(dsl_dir_t *dd,
152 150 dsl_dir_t *ancestor, int64_t delta, int ondiskonly);
153 151 void dsl_dir_dirty(dsl_dir_t *dd, dmu_tx_t *tx);
154 152 void dsl_dir_sync(dsl_dir_t *dd, dmu_tx_t *tx);
155 153 int dsl_dir_tempreserve_space(dsl_dir_t *dd, uint64_t mem,
156 154 uint64_t asize, boolean_t netfree, void **tr_cookiep, dmu_tx_t *tx);
157 155 void dsl_dir_tempreserve_clear(void *tr_cookie, dmu_tx_t *tx);
158 156 void dsl_dir_willuse_space(dsl_dir_t *dd, int64_t space, dmu_tx_t *tx);
159 157 void dsl_dir_diduse_space(dsl_dir_t *dd, dd_used_t type,
160 158 int64_t used, int64_t compressed, int64_t uncompressed, dmu_tx_t *tx);
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161 159 void dsl_dir_transfer_space(dsl_dir_t *dd, int64_t delta,
162 160 dd_used_t oldtype, dd_used_t newtype, dmu_tx_t *tx);
163 161 int dsl_dir_set_quota(const char *ddname, zprop_source_t source,
164 162 uint64_t quota);
165 163 int dsl_dir_set_reservation(const char *ddname, zprop_source_t source,
166 164 uint64_t reservation);
167 165 int dsl_dir_activate_fs_ss_limit(const char *);
168 166 int dsl_fs_ss_limit_check(dsl_dir_t *, uint64_t, zfs_prop_t, dsl_dir_t *,
169 167 cred_t *);
170 168 void dsl_fs_ss_count_adjust(dsl_dir_t *, int64_t, const char *, dmu_tx_t *);
171 -int dsl_dir_update_last_remap_txg(dsl_dir_t *, uint64_t);
172 169 int dsl_dir_rename(const char *oldname, const char *newname);
173 170 int dsl_dir_transfer_possible(dsl_dir_t *sdd, dsl_dir_t *tdd,
174 171 uint64_t fs_cnt, uint64_t ss_cnt, uint64_t space, cred_t *);
175 172 boolean_t dsl_dir_is_clone(dsl_dir_t *dd);
176 173 void dsl_dir_new_refreservation(dsl_dir_t *dd, struct dsl_dataset *ds,
177 174 uint64_t reservation, cred_t *cr, dmu_tx_t *tx);
178 175 void dsl_dir_snap_cmtime_update(dsl_dir_t *dd);
179 176 timestruc_t dsl_dir_snap_cmtime(dsl_dir_t *dd);
180 177 void dsl_dir_set_reservation_sync_impl(dsl_dir_t *dd, uint64_t value,
181 178 dmu_tx_t *tx);
182 179 void dsl_dir_zapify(dsl_dir_t *dd, dmu_tx_t *tx);
183 180 boolean_t dsl_dir_is_zapified(dsl_dir_t *dd);
184 181
185 182 /* internal reserved dir name */
186 183 #define MOS_DIR_NAME "$MOS"
187 184 #define ORIGIN_DIR_NAME "$ORIGIN"
185 +#define XLATION_DIR_NAME "$XLATION"
188 186 #define FREE_DIR_NAME "$FREE"
189 187 #define LEAK_DIR_NAME "$LEAK"
190 188
191 189 #ifdef ZFS_DEBUG
192 190 #define dprintf_dd(dd, fmt, ...) do { \
193 191 if (zfs_flags & ZFS_DEBUG_DPRINTF) { \
194 192 char *__ds_name = kmem_alloc(ZFS_MAX_DATASET_NAME_LEN, KM_SLEEP); \
195 193 dsl_dir_name(dd, __ds_name); \
196 194 dprintf("dd=%s " fmt, __ds_name, __VA_ARGS__); \
197 195 kmem_free(__ds_name, ZFS_MAX_DATASET_NAME_LEN); \
198 196 } \
199 197 _NOTE(CONSTCOND) } while (0)
200 198 #else
201 199 #define dprintf_dd(dd, fmt, ...)
202 200 #endif
203 201
204 202 #ifdef __cplusplus
205 203 }
206 204 #endif
207 205
208 206 #endif /* _SYS_DSL_DIR_H */
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