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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 | |
9 | * or http://www.opensolaris.org/os/licensing. | |
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. |
d52d80b7 | 23 | * Copyright (c) 2011, 2018 by Delphix. All rights reserved. |
95fd54a1 | 24 | * Copyright (c) 2013 Steven Hartland. All rights reserved. |
0c66c32d | 25 | * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. |
34dc7c2f BB |
26 | */ |
27 | ||
28 | #ifndef _SYS_DSL_DATASET_H | |
29 | #define _SYS_DSL_DATASET_H | |
30 | ||
34dc7c2f BB |
31 | #include <sys/dmu.h> |
32 | #include <sys/spa.h> | |
33 | #include <sys/txg.h> | |
34 | #include <sys/zio.h> | |
35 | #include <sys/bplist.h> | |
36 | #include <sys/dsl_synctask.h> | |
37 | #include <sys/zfs_context.h> | |
428870ff | 38 | #include <sys/dsl_deadlist.h> |
13fe0198 | 39 | #include <sys/refcount.h> |
cc9bb3e5 | 40 | #include <sys/rrwlock.h> |
b5256303 | 41 | #include <sys/dsl_crypt.h> |
241b5415 | 42 | #include <zfeature_common.h> |
34dc7c2f BB |
43 | |
44 | #ifdef __cplusplus | |
45 | extern "C" { | |
46 | #endif | |
47 | ||
48 | struct dsl_dataset; | |
49 | struct dsl_dir; | |
50 | struct dsl_pool; | |
b5256303 | 51 | struct dsl_crypto_params; |
52ce99dd | 52 | struct dsl_key_mapping; |
34dc7c2f | 53 | |
34dc7c2f | 54 | #define DS_FLAG_INCONSISTENT (1ULL<<0) |
b128c09f | 55 | #define DS_IS_INCONSISTENT(ds) \ |
d683ddbb | 56 | (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_INCONSISTENT) |
fa86b5db | 57 | |
34dc7c2f | 58 | /* |
fa86b5db | 59 | * Do not allow this dataset to be promoted. |
34dc7c2f BB |
60 | */ |
61 | #define DS_FLAG_NOPROMOTE (1ULL<<1) | |
62 | ||
63 | /* | |
64 | * DS_FLAG_UNIQUE_ACCURATE is set if ds_unique_bytes has been correctly | |
65 | * calculated for head datasets (starting with SPA_VERSION_UNIQUE_ACCURATE, | |
66 | * refquota/refreservations). | |
67 | */ | |
68 | #define DS_FLAG_UNIQUE_ACCURATE (1ULL<<2) | |
69 | ||
45d1cae3 BB |
70 | /* |
71 | * DS_FLAG_DEFER_DESTROY is set after 'zfs destroy -d' has been called | |
72 | * on a dataset. This allows the dataset to be destroyed using 'zfs release'. | |
73 | */ | |
74 | #define DS_FLAG_DEFER_DESTROY (1ULL<<3) | |
75 | #define DS_IS_DEFER_DESTROY(ds) \ | |
d683ddbb | 76 | (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_DEFER_DESTROY) |
45d1cae3 | 77 | |
fa86b5db MA |
78 | /* |
79 | * DS_FIELD_* are strings that are used in the "extensified" dataset zap object. | |
80 | * They should be of the format <reverse-dns>:<field>. | |
81 | */ | |
82 | ||
da536844 MA |
83 | /* |
84 | * This field's value is the object ID of a zap object which contains the | |
85 | * bookmarks of this dataset. If it is present, then this dataset is counted | |
86 | * in the refcount of the SPA_FEATURES_BOOKMARKS feature. | |
87 | */ | |
88 | #define DS_FIELD_BOOKMARK_NAMES "com.delphix:bookmarks" | |
89 | ||
50c957f7 NB |
90 | /* |
91 | * This field is present (with value=0) if this dataset may contain large | |
92 | * dnodes (>512B). If it is present, then this dataset is counted in the | |
93 | * refcount of the SPA_FEATURE_LARGE_DNODE feature. | |
94 | */ | |
95 | #define DS_FIELD_LARGE_DNODE "org.zfsonlinux:large_dnode" | |
96 | ||
47dfff3b MA |
97 | /* |
98 | * These fields are set on datasets that are in the middle of a resumable | |
99 | * receive, and allow the sender to resume the send if it is interrupted. | |
100 | */ | |
101 | #define DS_FIELD_RESUME_FROMGUID "com.delphix:resume_fromguid" | |
102 | #define DS_FIELD_RESUME_TONAME "com.delphix:resume_toname" | |
103 | #define DS_FIELD_RESUME_TOGUID "com.delphix:resume_toguid" | |
104 | #define DS_FIELD_RESUME_OBJECT "com.delphix:resume_object" | |
105 | #define DS_FIELD_RESUME_OFFSET "com.delphix:resume_offset" | |
106 | #define DS_FIELD_RESUME_BYTES "com.delphix:resume_bytes" | |
2aa34383 | 107 | #define DS_FIELD_RESUME_LARGEBLOCK "com.delphix:resume_largeblockok" |
47dfff3b | 108 | #define DS_FIELD_RESUME_EMBEDOK "com.delphix:resume_embedok" |
2aa34383 | 109 | #define DS_FIELD_RESUME_COMPRESSOK "com.delphix:resume_compressok" |
b5256303 | 110 | #define DS_FIELD_RESUME_RAWOK "com.datto:resume_rawok" |
47dfff3b | 111 | |
a1d477c2 MA |
112 | /* |
113 | * This field is set to the object number of the remap deadlist if one exists. | |
114 | */ | |
115 | #define DS_FIELD_REMAP_DEADLIST "com.delphix:remap_deadlist" | |
116 | ||
34dc7c2f BB |
117 | /* |
118 | * DS_FLAG_CI_DATASET is set if the dataset contains a file system whose | |
119 | * name lookups should be performed case-insensitively. | |
120 | */ | |
121 | #define DS_FLAG_CI_DATASET (1ULL<<16) | |
122 | ||
13fe0198 MA |
123 | #define DS_CREATE_FLAG_NODIRTY (1ULL<<24) |
124 | ||
34dc7c2f | 125 | typedef struct dsl_dataset_phys { |
b128c09f BB |
126 | uint64_t ds_dir_obj; /* DMU_OT_DSL_DIR */ |
127 | uint64_t ds_prev_snap_obj; /* DMU_OT_DSL_DATASET */ | |
34dc7c2f | 128 | uint64_t ds_prev_snap_txg; |
b128c09f BB |
129 | uint64_t ds_next_snap_obj; /* DMU_OT_DSL_DATASET */ |
130 | uint64_t ds_snapnames_zapobj; /* DMU_OT_DSL_DS_SNAP_MAP 0 for snaps */ | |
34dc7c2f BB |
131 | uint64_t ds_num_children; /* clone/snap children; ==0 for head */ |
132 | uint64_t ds_creation_time; /* seconds since 1970 */ | |
133 | uint64_t ds_creation_txg; | |
428870ff | 134 | uint64_t ds_deadlist_obj; /* DMU_OT_DEADLIST */ |
9ae529ec CS |
135 | /* |
136 | * ds_referenced_bytes, ds_compressed_bytes, and ds_uncompressed_bytes | |
137 | * include all blocks referenced by this dataset, including those | |
138 | * shared with any other datasets. | |
139 | */ | |
140 | uint64_t ds_referenced_bytes; | |
34dc7c2f BB |
141 | uint64_t ds_compressed_bytes; |
142 | uint64_t ds_uncompressed_bytes; | |
143 | uint64_t ds_unique_bytes; /* only relevant to snapshots */ | |
144 | /* | |
145 | * The ds_fsid_guid is a 56-bit ID that can change to avoid | |
146 | * collisions. The ds_guid is a 64-bit ID that will never | |
147 | * change, so there is a small probability that it will collide. | |
148 | */ | |
149 | uint64_t ds_fsid_guid; | |
150 | uint64_t ds_guid; | |
b128c09f | 151 | uint64_t ds_flags; /* DS_FLAG_* */ |
34dc7c2f | 152 | blkptr_t ds_bp; |
b128c09f BB |
153 | uint64_t ds_next_clones_obj; /* DMU_OT_DSL_CLONES */ |
154 | uint64_t ds_props_obj; /* DMU_OT_DSL_PROPS for snaps */ | |
45d1cae3 BB |
155 | uint64_t ds_userrefs_obj; /* DMU_OT_USERREFS */ |
156 | uint64_t ds_pad[5]; /* pad out to 320 bytes for good measure */ | |
34dc7c2f BB |
157 | } dsl_dataset_phys_t; |
158 | ||
159 | typedef struct dsl_dataset { | |
0c66c32d | 160 | dmu_buf_user_t ds_dbu; |
cc9bb3e5 | 161 | rrwlock_t ds_bp_rwlock; /* Protects ds_phys->ds_bp */ |
0c66c32d | 162 | |
34dc7c2f BB |
163 | /* Immutable: */ |
164 | struct dsl_dir *ds_dir; | |
34dc7c2f BB |
165 | dmu_buf_t *ds_dbuf; |
166 | uint64_t ds_object; | |
167 | uint64_t ds_fsid_guid; | |
0c66c32d | 168 | boolean_t ds_is_snapshot; |
52ce99dd | 169 | struct dsl_key_mapping *ds_key_mapping; |
34dc7c2f | 170 | |
b128c09f BB |
171 | /* only used in syncing context, only valid for non-snapshots: */ |
172 | struct dsl_dataset *ds_prev; | |
da536844 | 173 | uint64_t ds_bookmarks; /* DMU_OTN_ZAP_METADATA */ |
34dc7c2f BB |
174 | |
175 | /* has internal locking: */ | |
428870ff BB |
176 | dsl_deadlist_t ds_deadlist; |
177 | bplist_t ds_pending_deadlist; | |
34dc7c2f | 178 | |
a1d477c2 MA |
179 | /* |
180 | * The remap deadlist contains blocks (DVA's, really) that are | |
181 | * referenced by the previous snapshot and point to indirect vdevs, | |
182 | * but in this dataset they have been remapped to point to concrete | |
183 | * (or at least, less-indirect) vdevs. In other words, the | |
184 | * physical DVA is referenced by the previous snapshot but not by | |
185 | * this dataset. Logically, the DVA continues to be referenced, | |
186 | * but we are using a different (less indirect) physical DVA. | |
187 | * This deadlist is used to determine when physical DVAs that | |
188 | * point to indirect vdevs are no longer referenced anywhere, | |
189 | * and thus should be marked obsolete. | |
190 | * | |
191 | * This is only used if SPA_FEATURE_OBSOLETE_COUNTS is enabled. | |
192 | */ | |
193 | dsl_deadlist_t ds_remap_deadlist; | |
194 | /* protects creation of the ds_remap_deadlist */ | |
195 | kmutex_t ds_remap_deadlist_lock; | |
196 | ||
34dc7c2f BB |
197 | /* protected by lock on pool's dp_dirty_datasets list */ |
198 | txg_node_t ds_dirty_link; | |
199 | list_node_t ds_synced_link; | |
200 | ||
201 | /* | |
202 | * ds_phys->ds_<accounting> is also protected by ds_lock. | |
203 | * Protected by ds_lock: | |
204 | */ | |
205 | kmutex_t ds_lock; | |
428870ff | 206 | objset_t *ds_objset; |
45d1cae3 | 207 | uint64_t ds_userrefs; |
13fe0198 | 208 | void *ds_owner; |
b128c09f BB |
209 | |
210 | /* | |
13fe0198 MA |
211 | * Long holds prevent the ds from being destroyed; they allow the |
212 | * ds to remain held even after dropping the dp_config_rwlock. | |
213 | * Owning counts as a long hold. See the comments above | |
214 | * dsl_pool_hold() for details. | |
b128c09f | 215 | */ |
c13060e4 | 216 | zfs_refcount_t ds_longholds; |
34dc7c2f BB |
217 | |
218 | /* no locking; only for making guesses */ | |
219 | uint64_t ds_trysnap_txg; | |
220 | ||
221 | /* for objset_open() */ | |
222 | kmutex_t ds_opening_lock; | |
223 | ||
224 | uint64_t ds_reserved; /* cached refreservation */ | |
225 | uint64_t ds_quota; /* cached refquota */ | |
226 | ||
37abac6d BP |
227 | kmutex_t ds_sendstream_lock; |
228 | list_t ds_sendstreams; | |
229 | ||
47dfff3b MA |
230 | /* |
231 | * When in the middle of a resumable receive, tracks how much | |
232 | * progress we have made. | |
233 | */ | |
234 | uint64_t ds_resume_object[TXG_SIZE]; | |
235 | uint64_t ds_resume_offset[TXG_SIZE]; | |
236 | uint64_t ds_resume_bytes[TXG_SIZE]; | |
237 | ||
0eb21616 JG |
238 | /* Protected by our dsl_dir's dd_lock */ |
239 | list_t ds_prop_cbs; | |
240 | ||
241b5415 MA |
241 | /* |
242 | * For ZFEATURE_FLAG_PER_DATASET features, set if this dataset | |
243 | * uses this feature. | |
244 | */ | |
d52d80b7 | 245 | void *ds_feature[SPA_FEATURES]; |
241b5415 MA |
246 | |
247 | /* | |
248 | * Set if we need to activate the feature on this dataset this txg | |
249 | * (used only in syncing context). | |
250 | */ | |
d52d80b7 | 251 | void *ds_feature_activation[SPA_FEATURES]; |
241b5415 | 252 | |
34dc7c2f | 253 | /* Protected by ds_lock; keep at end of struct for better locality */ |
eca7b760 | 254 | char ds_snapname[ZFS_MAX_DATASET_NAME_LEN]; |
34dc7c2f BB |
255 | } dsl_dataset_t; |
256 | ||
d683ddbb JG |
257 | static inline dsl_dataset_phys_t * |
258 | dsl_dataset_phys(dsl_dataset_t *ds) | |
259 | { | |
260 | return (ds->ds_dbuf->db_data); | |
261 | } | |
262 | ||
d99a0153 CW |
263 | typedef struct dsl_dataset_promote_arg { |
264 | const char *ddpa_clonename; | |
265 | dsl_dataset_t *ddpa_clone; | |
266 | list_t shared_snaps, origin_snaps, clone_snaps; | |
267 | dsl_dataset_t *origin_origin; /* origin of the origin */ | |
268 | uint64_t used, comp, uncomp, unique, cloneusedsnap, originusedsnap; | |
269 | nvlist_t *err_ds; | |
270 | cred_t *cr; | |
271 | } dsl_dataset_promote_arg_t; | |
272 | ||
af073689 BL |
273 | typedef struct dsl_dataset_rollback_arg { |
274 | const char *ddra_fsname; | |
275 | const char *ddra_tosnap; | |
276 | void *ddra_owner; | |
277 | nvlist_t *ddra_result; | |
278 | } dsl_dataset_rollback_arg_t; | |
279 | ||
234c91c5 CW |
280 | typedef struct dsl_dataset_snapshot_arg { |
281 | nvlist_t *ddsa_snaps; | |
282 | nvlist_t *ddsa_props; | |
283 | nvlist_t *ddsa_errors; | |
284 | cred_t *ddsa_cr; | |
285 | } dsl_dataset_snapshot_arg_t; | |
286 | ||
572e2857 BB |
287 | /* |
288 | * The max length of a temporary tag prefix is the number of hex digits | |
289 | * required to express UINT64_MAX plus one for the hyphen. | |
290 | */ | |
291 | #define MAX_TAG_PREFIX_LEN 17 | |
292 | ||
5dc8b736 MG |
293 | #define dsl_dataset_is_snapshot(ds) \ |
294 | (dsl_dataset_phys(ds)->ds_num_children != 0) | |
295 | ||
34dc7c2f | 296 | #define DS_UNIQUE_IS_ACCURATE(ds) \ |
d683ddbb | 297 | ((dsl_dataset_phys(ds)->ds_flags & DS_FLAG_UNIQUE_ACCURATE) != 0) |
34dc7c2f | 298 | |
b5256303 TC |
299 | /* flags for holding the dataset */ |
300 | typedef enum ds_hold_flags { | |
301 | DS_HOLD_FLAG_DECRYPT = 1 << 0 /* needs access to encrypted data */ | |
302 | } ds_hold_flags_t; | |
303 | ||
13fe0198 MA |
304 | int dsl_dataset_hold(struct dsl_pool *dp, const char *name, void *tag, |
305 | dsl_dataset_t **dsp); | |
b5256303 TC |
306 | int dsl_dataset_hold_flags(struct dsl_pool *dp, const char *name, |
307 | ds_hold_flags_t flags, void *tag, dsl_dataset_t **dsp); | |
6ebebace JG |
308 | boolean_t dsl_dataset_try_add_ref(struct dsl_pool *dp, dsl_dataset_t *ds, |
309 | void *tag); | |
52ce99dd | 310 | int dsl_dataset_create_key_mapping(dsl_dataset_t *ds); |
13fe0198 MA |
311 | int dsl_dataset_hold_obj(struct dsl_pool *dp, uint64_t dsobj, void *tag, |
312 | dsl_dataset_t **); | |
b5256303 TC |
313 | int dsl_dataset_hold_obj_flags(struct dsl_pool *dp, uint64_t dsobj, |
314 | ds_hold_flags_t flags, void *tag, dsl_dataset_t **); | |
52ce99dd | 315 | void dsl_dataset_remove_key_mapping(dsl_dataset_t *ds); |
13fe0198 | 316 | void dsl_dataset_rele(dsl_dataset_t *ds, void *tag); |
b5256303 TC |
317 | void dsl_dataset_rele_flags(dsl_dataset_t *ds, ds_hold_flags_t flags, |
318 | void *tag); | |
13fe0198 | 319 | int dsl_dataset_own(struct dsl_pool *dp, const char *name, |
b5256303 | 320 | ds_hold_flags_t flags, void *tag, dsl_dataset_t **dsp); |
b128c09f | 321 | int dsl_dataset_own_obj(struct dsl_pool *dp, uint64_t dsobj, |
b5256303 TC |
322 | ds_hold_flags_t flags, void *tag, dsl_dataset_t **dsp); |
323 | void dsl_dataset_disown(dsl_dataset_t *ds, ds_hold_flags_t flags, void *tag); | |
13fe0198 | 324 | void dsl_dataset_name(dsl_dataset_t *ds, char *name); |
eca7b760 | 325 | int dsl_dataset_namelen(dsl_dataset_t *ds); |
47dfff3b | 326 | boolean_t dsl_dataset_has_owner(dsl_dataset_t *ds); |
b5256303 | 327 | boolean_t dsl_dataset_tryown(dsl_dataset_t *ds, void *tag); |
b128c09f | 328 | uint64_t dsl_dataset_create_sync(dsl_dir_t *pds, const char *lastname, |
b5256303 TC |
329 | dsl_dataset_t *origin, uint64_t flags, cred_t *, |
330 | struct dsl_crypto_params *, dmu_tx_t *); | |
b128c09f | 331 | uint64_t dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin, |
b5256303 | 332 | struct dsl_crypto_params *dcp, uint64_t flags, dmu_tx_t *tx); |
234c91c5 CW |
333 | void dsl_dataset_snapshot_sync(void *arg, dmu_tx_t *tx); |
334 | int dsl_dataset_snapshot_check(void *arg, dmu_tx_t *tx); | |
13fe0198 | 335 | int dsl_dataset_snapshot(nvlist_t *snaps, nvlist_t *props, nvlist_t *errors); |
d99a0153 CW |
336 | void dsl_dataset_promote_sync(void *arg, dmu_tx_t *tx); |
337 | int dsl_dataset_promote_check(void *arg, dmu_tx_t *tx); | |
428870ff | 338 | int dsl_dataset_promote(const char *name, char *conflsnap); |
13fe0198 MA |
339 | int dsl_dataset_rename_snapshot(const char *fsname, |
340 | const char *oldsnapname, const char *newsnapname, boolean_t recursive); | |
341 | int dsl_dataset_snapshot_tmp(const char *fsname, const char *snapname, | |
342 | minor_t cleanup_minor, const char *htag); | |
34dc7c2f | 343 | |
34dc7c2f | 344 | blkptr_t *dsl_dataset_get_blkptr(dsl_dataset_t *ds); |
34dc7c2f BB |
345 | |
346 | spa_t *dsl_dataset_get_spa(dsl_dataset_t *ds); | |
347 | ||
19580676 MA |
348 | boolean_t dsl_dataset_modified_since_snap(dsl_dataset_t *ds, |
349 | dsl_dataset_t *snap); | |
34dc7c2f | 350 | |
cdc15a76 DW |
351 | void dsl_dataset_sync(dsl_dataset_t *ds, zio_t *zio, dmu_tx_t *tx); |
352 | void dsl_dataset_sync_done(dsl_dataset_t *ds, dmu_tx_t *tx); | |
34dc7c2f | 353 | |
428870ff | 354 | void dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, |
34dc7c2f | 355 | dmu_tx_t *tx); |
428870ff BB |
356 | int dsl_dataset_block_kill(dsl_dataset_t *ds, const blkptr_t *bp, |
357 | dmu_tx_t *tx, boolean_t async); | |
a1d477c2 MA |
358 | void dsl_dataset_block_remapped(dsl_dataset_t *ds, uint64_t vdev, |
359 | uint64_t offset, uint64_t size, uint64_t birth, dmu_tx_t *tx); | |
6772fb67 BB |
360 | int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, |
361 | uint64_t *value); | |
34dc7c2f BB |
362 | |
363 | void dsl_dataset_dirty(dsl_dataset_t *ds, dmu_tx_t *tx); | |
d99a0153 CW |
364 | |
365 | int get_clones_stat_impl(dsl_dataset_t *ds, nvlist_t *val); | |
366 | char *get_receive_resume_stats_impl(dsl_dataset_t *ds); | |
367 | char *get_child_receive_stats(dsl_dataset_t *ds); | |
368 | uint64_t dsl_get_refratio(dsl_dataset_t *ds); | |
369 | uint64_t dsl_get_logicalreferenced(dsl_dataset_t *ds); | |
370 | uint64_t dsl_get_compressratio(dsl_dataset_t *ds); | |
371 | uint64_t dsl_get_used(dsl_dataset_t *ds); | |
372 | uint64_t dsl_get_creation(dsl_dataset_t *ds); | |
373 | uint64_t dsl_get_creationtxg(dsl_dataset_t *ds); | |
374 | uint64_t dsl_get_refquota(dsl_dataset_t *ds); | |
375 | uint64_t dsl_get_refreservation(dsl_dataset_t *ds); | |
376 | uint64_t dsl_get_guid(dsl_dataset_t *ds); | |
377 | uint64_t dsl_get_unique(dsl_dataset_t *ds); | |
378 | uint64_t dsl_get_objsetid(dsl_dataset_t *ds); | |
379 | uint64_t dsl_get_userrefs(dsl_dataset_t *ds); | |
380 | uint64_t dsl_get_defer_destroy(dsl_dataset_t *ds); | |
381 | uint64_t dsl_get_referenced(dsl_dataset_t *ds); | |
382 | uint64_t dsl_get_numclones(dsl_dataset_t *ds); | |
383 | uint64_t dsl_get_inconsistent(dsl_dataset_t *ds); | |
384 | uint64_t dsl_get_available(dsl_dataset_t *ds); | |
385 | int dsl_get_written(dsl_dataset_t *ds, uint64_t *written); | |
386 | int dsl_get_prev_snap(dsl_dataset_t *ds, char *snap); | |
387 | int dsl_get_mountpoint(dsl_dataset_t *ds, const char *dsname, char *value, | |
388 | char *source); | |
389 | ||
390 | void get_clones_stat(dsl_dataset_t *ds, nvlist_t *nv); | |
391 | void dsl_dataset_stats(dsl_dataset_t *os, nvlist_t *nv); | |
392 | ||
34dc7c2f BB |
393 | void dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat); |
394 | void dsl_dataset_space(dsl_dataset_t *ds, | |
395 | uint64_t *refdbytesp, uint64_t *availbytesp, | |
396 | uint64_t *usedobjsp, uint64_t *availobjsp); | |
397 | uint64_t dsl_dataset_fsid_guid(dsl_dataset_t *ds); | |
330d06f9 MA |
398 | int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new, |
399 | uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); | |
400 | int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last, | |
401 | uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); | |
34dc7c2f | 402 | |
34dc7c2f BB |
403 | int dsl_dsobj_to_dsname(char *pname, uint64_t obj, char *buf); |
404 | ||
405 | int dsl_dataset_check_quota(dsl_dataset_t *ds, boolean_t check_quota, | |
406 | uint64_t asize, uint64_t inflight, uint64_t *used, | |
407 | uint64_t *ref_rsrv); | |
13fe0198 | 408 | int dsl_dataset_set_refquota(const char *dsname, zprop_source_t source, |
428870ff | 409 | uint64_t quota); |
13fe0198 | 410 | int dsl_dataset_set_refreservation(const char *dsname, zprop_source_t source, |
428870ff BB |
411 | uint64_t reservation); |
412 | ||
da536844 MA |
413 | boolean_t dsl_dataset_is_before(dsl_dataset_t *later, dsl_dataset_t *earlier, |
414 | uint64_t earlier_txg); | |
13fe0198 MA |
415 | void dsl_dataset_long_hold(dsl_dataset_t *ds, void *tag); |
416 | void dsl_dataset_long_rele(dsl_dataset_t *ds, void *tag); | |
417 | boolean_t dsl_dataset_long_held(dsl_dataset_t *ds); | |
418 | ||
419 | int dsl_dataset_clone_swap_check_impl(dsl_dataset_t *clone, | |
831baf06 | 420 | dsl_dataset_t *origin_head, boolean_t force, void *owner, dmu_tx_t *tx); |
13fe0198 MA |
421 | void dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone, |
422 | dsl_dataset_t *origin_head, dmu_tx_t *tx); | |
423 | int dsl_dataset_snapshot_check_impl(dsl_dataset_t *ds, const char *snapname, | |
788eb90c | 424 | dmu_tx_t *tx, boolean_t recv, uint64_t cnt, cred_t *cr); |
13fe0198 MA |
425 | void dsl_dataset_snapshot_sync_impl(dsl_dataset_t *ds, const char *snapname, |
426 | dmu_tx_t *tx); | |
427 | ||
428 | void dsl_dataset_remove_from_next_clones(dsl_dataset_t *ds, uint64_t obj, | |
429 | dmu_tx_t *tx); | |
430 | void dsl_dataset_recalc_head_uniq(dsl_dataset_t *ds); | |
431 | int dsl_dataset_get_snapname(dsl_dataset_t *ds); | |
432 | int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, | |
433 | uint64_t *value); | |
788eb90c JJ |
434 | int dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx, |
435 | boolean_t adj_cnt); | |
13fe0198 MA |
436 | void dsl_dataset_set_refreservation_sync_impl(dsl_dataset_t *ds, |
437 | zprop_source_t source, uint64_t value, dmu_tx_t *tx); | |
da536844 | 438 | void dsl_dataset_zapify(dsl_dataset_t *ds, dmu_tx_t *tx); |
47dfff3b MA |
439 | boolean_t dsl_dataset_is_zapified(dsl_dataset_t *ds); |
440 | boolean_t dsl_dataset_has_resume_receive_state(dsl_dataset_t *ds); | |
af073689 BL |
441 | |
442 | int dsl_dataset_rollback_check(void *arg, dmu_tx_t *tx); | |
443 | void dsl_dataset_rollback_sync(void *arg, dmu_tx_t *tx); | |
8ca78ab0 AG |
444 | int dsl_dataset_rollback(const char *fsname, const char *tosnap, void *owner, |
445 | nvlist_t *result); | |
34dc7c2f | 446 | |
a1d477c2 MA |
447 | uint64_t dsl_dataset_get_remap_deadlist_object(dsl_dataset_t *ds); |
448 | void dsl_dataset_create_remap_deadlist(dsl_dataset_t *ds, dmu_tx_t *tx); | |
449 | boolean_t dsl_dataset_remap_deadlist_exists(dsl_dataset_t *ds); | |
450 | void dsl_dataset_destroy_remap_deadlist(dsl_dataset_t *ds, dmu_tx_t *tx); | |
451 | ||
d52d80b7 PD |
452 | void dsl_dataset_activate_feature(uint64_t dsobj, spa_feature_t f, void *arg, |
453 | dmu_tx_t *tx); | |
454 | void dsl_dataset_deactivate_feature(dsl_dataset_t *ds, spa_feature_t f, | |
455 | dmu_tx_t *tx); | |
456 | boolean_t dsl_dataset_feature_is_active(dsl_dataset_t *ds, spa_feature_t f); | |
457 | boolean_t dsl_dataset_get_uint64_array_feature(dsl_dataset_t *ds, | |
458 | spa_feature_t f, uint64_t *outlength, uint64_t **outp); | |
241b5415 | 459 | |
34dc7c2f BB |
460 | #ifdef ZFS_DEBUG |
461 | #define dprintf_ds(ds, fmt, ...) do { \ | |
462 | if (zfs_flags & ZFS_DEBUG_DPRINTF) { \ | |
eca7b760 | 463 | char *__ds_name = kmem_alloc(ZFS_MAX_DATASET_NAME_LEN, KM_SLEEP); \ |
34dc7c2f BB |
464 | dsl_dataset_name(ds, __ds_name); \ |
465 | dprintf("ds=%s " fmt, __ds_name, __VA_ARGS__); \ | |
eca7b760 | 466 | kmem_free(__ds_name, ZFS_MAX_DATASET_NAME_LEN); \ |
34dc7c2f BB |
467 | } \ |
468 | _NOTE(CONSTCOND) } while (0) | |
469 | #else | |
470 | #define dprintf_ds(dd, fmt, ...) | |
471 | #endif | |
472 | ||
473 | #ifdef __cplusplus | |
474 | } | |
475 | #endif | |
476 | ||
477 | #endif /* _SYS_DSL_DATASET_H */ |