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NEX-9673 Add capability to replicate cloned datasets relative to origin
Reviewed by: Alex Deiter <alex.deiter@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
NEX-6855 System fails to boot up after a large number of datasets created
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Revert "NEX-7251 Resume_token is not cleared right after finishing receive"
This reverts commit 9e97a45e8cf6ca59307a39e2d3c11c6e845e4187.
NEX-7251 Resume_token is not cleared right after finishing receive
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Alexey Komarov <alexey.komarov@nexenta.com>
NEX-5272 KRRP: replicate snapshot properties
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Alexey Komarov <alexey.komarov@nexenta.com>
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
2605 want to resume interrupted zfs send
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed by: Xin Li <delphij@freebsd.org>
Reviewed by: Arne Jansen <sensille@gmx.net>
Approved by: Dan McDonald <danmcd@omniti.com>
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>
6047 SPARC boot should support feature@embedded_data
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>
5959 clean up per-dataset feature count code
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Alex Reece <alex@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
NEX-4582 update wrc test cases for allow to use write back cache per tree of datasets
Reviewed by: Steve Peng <steve.peng@nexenta.com>
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
5960 zfs recv should prefetch indirect blocks
5925 zfs receive -o origin=
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
5765 add support for estimating send stream size with lzc_send_space when source is a bookmark
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Steven Hartland <killing@multiplay.co.uk>
Reviewed by: Bayard Bell <buffer.g.overflow@gmail.com>
Approved by: Albert Lee <trisk@nexenta.com>
NEX-3558 KRRP Integration
Fixup merge results
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/dsl_dataset.h
+++ new/usr/src/uts/common/fs/zfs/sys/dsl_dataset.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]
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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, 2017 by Delphix. All rights reserved.
24 24 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
25 25 * Copyright (c) 2013 Steven Hartland. All rights reserved.
26 26 * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
27 27 * Copyright (c) 2014 Integros [integros.com]
28 + * Copyright 2016 Nexenta Systems, Inc. All rights reserved.
28 29 */
29 30
30 31 #ifndef _SYS_DSL_DATASET_H
31 32 #define _SYS_DSL_DATASET_H
32 33
33 34 #include <sys/dmu.h>
34 35 #include <sys/spa.h>
35 36 #include <sys/txg.h>
36 37 #include <sys/zio.h>
37 38 #include <sys/bplist.h>
38 39 #include <sys/dsl_synctask.h>
39 40 #include <sys/zfs_context.h>
40 41 #include <sys/dsl_deadlist.h>
41 42 #include <sys/refcount.h>
42 43 #include <sys/rrwlock.h>
43 44 #include <zfeature_common.h>
44 45
45 46 #ifdef __cplusplus
46 47 extern "C" {
47 48 #endif
48 49
49 50 struct dsl_dataset;
50 51 struct dsl_dir;
51 52 struct dsl_pool;
52 53
53 54 #define DS_FLAG_INCONSISTENT (1ULL<<0)
54 55 #define DS_IS_INCONSISTENT(ds) \
55 56 (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_INCONSISTENT)
56 57
57 58 /*
58 59 * Do not allow this dataset to be promoted.
59 60 */
60 61 #define DS_FLAG_NOPROMOTE (1ULL<<1)
61 62
62 63 /*
63 64 * DS_FLAG_UNIQUE_ACCURATE is set if ds_unique_bytes has been correctly
64 65 * calculated for head datasets (starting with SPA_VERSION_UNIQUE_ACCURATE,
65 66 * refquota/refreservations).
66 67 */
67 68 #define DS_FLAG_UNIQUE_ACCURATE (1ULL<<2)
68 69
69 70 /*
70 71 * DS_FLAG_DEFER_DESTROY is set after 'zfs destroy -d' has been called
71 72 * on a dataset. This allows the dataset to be destroyed using 'zfs release'.
72 73 */
73 74 #define DS_FLAG_DEFER_DESTROY (1ULL<<3)
74 75 #define DS_IS_DEFER_DESTROY(ds) \
75 76 (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_DEFER_DESTROY)
76 77
77 78 /*
78 79 * DS_FIELD_* are strings that are used in the "extensified" dataset zap object.
79 80 * They should be of the format <reverse-dns>:<field>.
80 81 */
81 82
82 83 /*
83 84 * This field's value is the object ID of a zap object which contains the
84 85 * bookmarks of this dataset. If it is present, then this dataset is counted
85 86 * in the refcount of the SPA_FEATURES_BOOKMARKS feature.
86 87 */
87 88 #define DS_FIELD_BOOKMARK_NAMES "com.delphix:bookmarks"
88 89
89 90 /*
90 91 * These fields are set on datasets that are in the middle of a resumable
91 92 * receive, and allow the sender to resume the send if it is interrupted.
92 93 */
93 94 #define DS_FIELD_RESUME_FROMGUID "com.delphix:resume_fromguid"
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94 95 #define DS_FIELD_RESUME_TONAME "com.delphix:resume_toname"
95 96 #define DS_FIELD_RESUME_TOGUID "com.delphix:resume_toguid"
96 97 #define DS_FIELD_RESUME_OBJECT "com.delphix:resume_object"
97 98 #define DS_FIELD_RESUME_OFFSET "com.delphix:resume_offset"
98 99 #define DS_FIELD_RESUME_BYTES "com.delphix:resume_bytes"
99 100 #define DS_FIELD_RESUME_LARGEBLOCK "com.delphix:resume_largeblockok"
100 101 #define DS_FIELD_RESUME_EMBEDOK "com.delphix:resume_embedok"
101 102 #define DS_FIELD_RESUME_COMPRESSOK "com.delphix:resume_compressok"
102 103
103 104 /*
104 - * This field is set to the object number of the remap deadlist if one exists.
105 - */
106 -#define DS_FIELD_REMAP_DEADLIST "com.delphix:remap_deadlist"
107 -
108 -/*
109 105 * DS_FLAG_CI_DATASET is set if the dataset contains a file system whose
110 106 * name lookups should be performed case-insensitively.
111 107 */
112 108 #define DS_FLAG_CI_DATASET (1ULL<<16)
113 109
114 110 #define DS_CREATE_FLAG_NODIRTY (1ULL<<24)
115 111
112 +typedef struct dsl_dataset_snapshot_arg {
113 + nvlist_t *ddsa_snaps;
114 + nvlist_t *ddsa_props;
115 + nvlist_t *ddsa_errors;
116 + cred_t *ddsa_cr;
117 + boolean_t ddsa_autosnap;
118 +} dsl_dataset_snapshot_arg_t;
119 +
116 120 typedef struct dsl_dataset_phys {
117 121 uint64_t ds_dir_obj; /* DMU_OT_DSL_DIR */
118 122 uint64_t ds_prev_snap_obj; /* DMU_OT_DSL_DATASET */
119 123 uint64_t ds_prev_snap_txg;
120 124 uint64_t ds_next_snap_obj; /* DMU_OT_DSL_DATASET */
121 125 uint64_t ds_snapnames_zapobj; /* DMU_OT_DSL_DS_SNAP_MAP 0 for snaps */
122 126 uint64_t ds_num_children; /* clone/snap children; ==0 for head */
123 127 uint64_t ds_creation_time; /* seconds since 1970 */
124 128 uint64_t ds_creation_txg;
125 129 uint64_t ds_deadlist_obj; /* DMU_OT_DEADLIST */
126 130 /*
127 131 * ds_referenced_bytes, ds_compressed_bytes, and ds_uncompressed_bytes
128 132 * include all blocks referenced by this dataset, including those
129 133 * shared with any other datasets.
130 134 */
131 135 uint64_t ds_referenced_bytes;
132 136 uint64_t ds_compressed_bytes;
133 137 uint64_t ds_uncompressed_bytes;
134 138 uint64_t ds_unique_bytes; /* only relevant to snapshots */
135 139 /*
136 140 * The ds_fsid_guid is a 56-bit ID that can change to avoid
137 141 * collisions. The ds_guid is a 64-bit ID that will never
138 142 * change, so there is a small probability that it will collide.
139 143 */
140 144 uint64_t ds_fsid_guid;
141 145 uint64_t ds_guid;
142 146 uint64_t ds_flags; /* DS_FLAG_* */
143 147 blkptr_t ds_bp;
144 148 uint64_t ds_next_clones_obj; /* DMU_OT_DSL_CLONES */
145 149 uint64_t ds_props_obj; /* DMU_OT_DSL_PROPS for snaps */
146 150 uint64_t ds_userrefs_obj; /* DMU_OT_USERREFS */
147 151 uint64_t ds_pad[5]; /* pad out to 320 bytes for good measure */
148 152 } dsl_dataset_phys_t;
149 153
150 154 typedef struct dsl_dataset {
151 155 dmu_buf_user_t ds_dbu;
152 156 rrwlock_t ds_bp_rwlock; /* Protects ds_phys->ds_bp */
153 157
154 158 /* Immutable: */
155 159 struct dsl_dir *ds_dir;
156 160 dmu_buf_t *ds_dbuf;
157 161 uint64_t ds_object;
158 162 uint64_t ds_fsid_guid;
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159 163 boolean_t ds_is_snapshot;
160 164
161 165 /* only used in syncing context, only valid for non-snapshots: */
162 166 struct dsl_dataset *ds_prev;
163 167 uint64_t ds_bookmarks; /* DMU_OTN_ZAP_METADATA */
164 168
165 169 /* has internal locking: */
166 170 dsl_deadlist_t ds_deadlist;
167 171 bplist_t ds_pending_deadlist;
168 172
169 - /*
170 - * The remap deadlist contains blocks (DVA's, really) that are
171 - * referenced by the previous snapshot and point to indirect vdevs,
172 - * but in this dataset they have been remapped to point to concrete
173 - * (or at least, less-indirect) vdevs. In other words, the
174 - * physical DVA is referenced by the previous snapshot but not by
175 - * this dataset. Logically, the DVA continues to be referenced,
176 - * but we are using a different (less indirect) physical DVA.
177 - * This deadlist is used to determine when physical DVAs that
178 - * point to indirect vdevs are no longer referenced anywhere,
179 - * and thus should be marked obsolete.
180 - *
181 - * This is only used if SPA_FEATURE_OBSOLETE_COUNTS is enabled.
182 - */
183 - dsl_deadlist_t ds_remap_deadlist;
184 - /* protects creation of the ds_remap_deadlist */
185 - kmutex_t ds_remap_deadlist_lock;
186 -
187 173 /* protected by lock on pool's dp_dirty_datasets list */
188 174 txg_node_t ds_dirty_link;
189 175 list_node_t ds_synced_link;
190 176
191 177 /*
192 178 * ds_phys->ds_<accounting> is also protected by ds_lock.
193 179 * Protected by ds_lock:
194 180 */
195 181 kmutex_t ds_lock;
196 182 objset_t *ds_objset;
197 183 uint64_t ds_userrefs;
198 184 void *ds_owner;
199 185
200 186 /*
187 + * NOTE: for pool with special device only
188 + * Last transaction data was moved from special devices
189 + * to other (regular) devices in a pool.
190 + */
191 + uint64_t ds_lstxg;
192 +
193 + /*
194 + * NOTE: for pool with special device only
195 + * Level 0 bookmark we remembered when we were interrupted
196 + * during traversal process. Used to resume traversal
197 + * later.
198 + */
199 + zbookmark_phys_t ds_lszb;
200 +
201 + /*
201 202 * Long holds prevent the ds from being destroyed; they allow the
202 203 * ds to remain held even after dropping the dp_config_rwlock.
203 204 * Owning counts as a long hold. See the comments above
204 205 * dsl_pool_hold() for details.
205 206 */
207 +
206 208 refcount_t ds_longholds;
207 209
208 210 /* no locking; only for making guesses */
209 211 uint64_t ds_trysnap_txg;
210 212
211 213 /* for objset_open() */
212 214 kmutex_t ds_opening_lock;
213 215
214 216 uint64_t ds_reserved; /* cached refreservation */
215 217 uint64_t ds_quota; /* cached refquota */
216 218
217 219 kmutex_t ds_sendstream_lock;
218 220 list_t ds_sendstreams;
219 221
220 222 /*
221 223 * When in the middle of a resumable receive, tracks how much
222 224 * progress we have made.
223 225 */
224 226 uint64_t ds_resume_object[TXG_SIZE];
225 227 uint64_t ds_resume_offset[TXG_SIZE];
226 228 uint64_t ds_resume_bytes[TXG_SIZE];
227 229
228 230 /* Protected by our dsl_dir's dd_lock */
229 231 list_t ds_prop_cbs;
230 232
231 233 /*
232 234 * For ZFEATURE_FLAG_PER_DATASET features, set if this dataset
233 235 * uses this feature.
234 236 */
235 237 uint8_t ds_feature_inuse[SPA_FEATURES];
236 238
237 239 /*
238 240 * Set if we need to activate the feature on this dataset this txg
239 241 * (used only in syncing context).
240 242 */
241 243 uint8_t ds_feature_activation_needed[SPA_FEATURES];
242 244
243 245 /* Protected by ds_lock; keep at end of struct for better locality */
244 246 char ds_snapname[ZFS_MAX_DATASET_NAME_LEN];
245 247 } dsl_dataset_t;
246 248
247 249 inline dsl_dataset_phys_t *
248 250 dsl_dataset_phys(dsl_dataset_t *ds)
249 251 {
250 252 return (ds->ds_dbuf->db_data);
251 253 }
252 254
253 255 typedef struct dsl_dataset_promote_arg {
254 256 const char *ddpa_clonename;
255 257 dsl_dataset_t *ddpa_clone;
256 258 list_t shared_snaps, origin_snaps, clone_snaps;
257 259 dsl_dataset_t *origin_origin; /* origin of the origin */
258 260 uint64_t used, comp, uncomp, unique, cloneusedsnap, originusedsnap;
259 261 nvlist_t *err_ds;
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260 262 cred_t *cr;
261 263 } dsl_dataset_promote_arg_t;
262 264
263 265 typedef struct dsl_dataset_rollback_arg {
264 266 const char *ddra_fsname;
265 267 const char *ddra_tosnap;
266 268 void *ddra_owner;
267 269 nvlist_t *ddra_result;
268 270 } dsl_dataset_rollback_arg_t;
269 271
270 -typedef struct dsl_dataset_snapshot_arg {
271 - nvlist_t *ddsa_snaps;
272 - nvlist_t *ddsa_props;
273 - nvlist_t *ddsa_errors;
274 - cred_t *ddsa_cr;
275 -} dsl_dataset_snapshot_arg_t;
276 -
277 272 /*
278 273 * The max length of a temporary tag prefix is the number of hex digits
279 274 * required to express UINT64_MAX plus one for the hyphen.
280 275 */
281 276 #define MAX_TAG_PREFIX_LEN 17
282 277
283 278 #define dsl_dataset_is_snapshot(ds) \
284 279 (dsl_dataset_phys(ds)->ds_num_children != 0)
285 280
286 281 #define DS_UNIQUE_IS_ACCURATE(ds) \
287 282 ((dsl_dataset_phys(ds)->ds_flags & DS_FLAG_UNIQUE_ACCURATE) != 0)
288 283
289 284 int dsl_dataset_hold(struct dsl_pool *dp, const char *name, void *tag,
290 285 dsl_dataset_t **dsp);
291 286 boolean_t dsl_dataset_try_add_ref(struct dsl_pool *dp, dsl_dataset_t *ds,
292 287 void *tag);
293 288 int dsl_dataset_hold_obj(struct dsl_pool *dp, uint64_t dsobj, void *tag,
294 289 dsl_dataset_t **);
295 290 void dsl_dataset_rele(dsl_dataset_t *ds, void *tag);
296 291 int dsl_dataset_own(struct dsl_pool *dp, const char *name,
297 292 void *tag, dsl_dataset_t **dsp);
298 293 int dsl_dataset_own_obj(struct dsl_pool *dp, uint64_t dsobj,
299 294 void *tag, dsl_dataset_t **dsp);
300 295 void dsl_dataset_disown(dsl_dataset_t *ds, void *tag);
301 296 void dsl_dataset_name(dsl_dataset_t *ds, char *name);
302 297 boolean_t dsl_dataset_tryown(dsl_dataset_t *ds, void *tag);
303 298 int dsl_dataset_namelen(dsl_dataset_t *ds);
304 299 boolean_t dsl_dataset_has_owner(dsl_dataset_t *ds);
305 300 uint64_t dsl_dataset_create_sync(dsl_dir_t *pds, const char *lastname,
306 301 dsl_dataset_t *origin, uint64_t flags, cred_t *, dmu_tx_t *);
307 302 uint64_t dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin,
308 303 uint64_t flags, dmu_tx_t *tx);
309 304 void dsl_dataset_snapshot_sync(void *arg, dmu_tx_t *tx);
310 305 int dsl_dataset_snapshot_check(void *arg, dmu_tx_t *tx);
311 306 int dsl_dataset_snapshot(nvlist_t *snaps, nvlist_t *props, nvlist_t *errors);
312 307 void dsl_dataset_promote_sync(void *arg, dmu_tx_t *tx);
313 308 int dsl_dataset_promote_check(void *arg, dmu_tx_t *tx);
314 309 int dsl_dataset_promote(const char *name, char *conflsnap);
315 310 int dsl_dataset_clone_swap(dsl_dataset_t *clone, dsl_dataset_t *origin_head,
316 311 boolean_t force);
317 312 int dsl_dataset_rename_snapshot(const char *fsname,
318 313 const char *oldsnapname, const char *newsnapname, boolean_t recursive);
319 314 int dsl_dataset_snapshot_tmp(const char *fsname, const char *snapname,
320 315 minor_t cleanup_minor, const char *htag);
321 316
322 317 blkptr_t *dsl_dataset_get_blkptr(dsl_dataset_t *ds);
323 318
324 319 spa_t *dsl_dataset_get_spa(dsl_dataset_t *ds);
325 320
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326 321 boolean_t dsl_dataset_modified_since_snap(dsl_dataset_t *ds,
327 322 dsl_dataset_t *snap);
328 323
329 324 void dsl_dataset_sync(dsl_dataset_t *os, zio_t *zio, dmu_tx_t *tx);
330 325 void dsl_dataset_sync_done(dsl_dataset_t *os, dmu_tx_t *tx);
331 326
332 327 void dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp,
333 328 dmu_tx_t *tx);
334 329 int dsl_dataset_block_kill(dsl_dataset_t *ds, const blkptr_t *bp,
335 330 dmu_tx_t *tx, boolean_t async);
336 -void dsl_dataset_block_remapped(dsl_dataset_t *ds, uint64_t vdev,
337 - uint64_t offset, uint64_t size, uint64_t birth, dmu_tx_t *tx);
338 331
339 332 void dsl_dataset_dirty(dsl_dataset_t *ds, dmu_tx_t *tx);
340 333
341 334 int get_clones_stat_impl(dsl_dataset_t *ds, nvlist_t *val);
342 335 char *get_receive_resume_stats_impl(dsl_dataset_t *ds);
343 336 char *get_child_receive_stats(dsl_dataset_t *ds);
344 337 uint64_t dsl_get_refratio(dsl_dataset_t *ds);
345 338 uint64_t dsl_get_logicalreferenced(dsl_dataset_t *ds);
346 339 uint64_t dsl_get_compressratio(dsl_dataset_t *ds);
347 340 uint64_t dsl_get_used(dsl_dataset_t *ds);
348 341 uint64_t dsl_get_creation(dsl_dataset_t *ds);
349 342 uint64_t dsl_get_creationtxg(dsl_dataset_t *ds);
350 343 uint64_t dsl_get_refquota(dsl_dataset_t *ds);
351 344 uint64_t dsl_get_refreservation(dsl_dataset_t *ds);
352 345 uint64_t dsl_get_guid(dsl_dataset_t *ds);
353 346 uint64_t dsl_get_unique(dsl_dataset_t *ds);
354 347 uint64_t dsl_get_objsetid(dsl_dataset_t *ds);
355 348 uint64_t dsl_get_userrefs(dsl_dataset_t *ds);
356 349 uint64_t dsl_get_defer_destroy(dsl_dataset_t *ds);
357 350 uint64_t dsl_get_referenced(dsl_dataset_t *ds);
358 351 uint64_t dsl_get_numclones(dsl_dataset_t *ds);
359 352 uint64_t dsl_get_inconsistent(dsl_dataset_t *ds);
360 353 uint64_t dsl_get_available(dsl_dataset_t *ds);
361 354 int dsl_get_written(dsl_dataset_t *ds, uint64_t *written);
362 355 int dsl_get_prev_snap(dsl_dataset_t *ds, char *snap);
363 356 int dsl_get_mountpoint(dsl_dataset_t *ds, const char *dsname, char *value,
364 357 char *source);
365 358
366 359 void get_clones_stat(dsl_dataset_t *ds, nvlist_t *nv);
367 360
368 361 void dsl_dataset_stats(dsl_dataset_t *os, nvlist_t *nv);
369 362
370 363 void dsl_dataset_fast_stat(dsl_dataset_t *ds, dmu_objset_stats_t *stat);
371 364 void dsl_dataset_space(dsl_dataset_t *ds,
372 365 uint64_t *refdbytesp, uint64_t *availbytesp,
373 366 uint64_t *usedobjsp, uint64_t *availobjsp);
374 367 uint64_t dsl_dataset_fsid_guid(dsl_dataset_t *ds);
375 368 int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new,
376 369 uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
377 370 int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last,
378 371 uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
379 372 boolean_t dsl_dataset_is_dirty(dsl_dataset_t *ds);
380 373
381 374 int dsl_dsobj_to_dsname(char *pname, uint64_t obj, char *buf);
382 375
383 376 int dsl_dataset_check_quota(dsl_dataset_t *ds, boolean_t check_quota,
384 377 uint64_t asize, uint64_t inflight, uint64_t *used,
385 378 uint64_t *ref_rsrv);
386 379 int dsl_dataset_set_refquota(const char *dsname, zprop_source_t source,
387 380 uint64_t quota);
388 381 int dsl_dataset_set_refreservation(const char *dsname, zprop_source_t source,
389 382 uint64_t reservation);
390 383
391 384 boolean_t dsl_dataset_is_before(dsl_dataset_t *later, dsl_dataset_t *earlier,
392 385 uint64_t earlier_txg);
393 386 void dsl_dataset_long_hold(dsl_dataset_t *ds, void *tag);
394 387 void dsl_dataset_long_rele(dsl_dataset_t *ds, void *tag);
395 388 boolean_t dsl_dataset_long_held(dsl_dataset_t *ds);
396 389
397 390 int dsl_dataset_clone_swap_check_impl(dsl_dataset_t *clone,
398 391 dsl_dataset_t *origin_head, boolean_t force, void *owner, dmu_tx_t *tx);
399 392 void dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone,
400 393 dsl_dataset_t *origin_head, dmu_tx_t *tx);
401 394 int dsl_dataset_snapshot_check_impl(dsl_dataset_t *ds, const char *snapname,
402 395 dmu_tx_t *tx, boolean_t recv, uint64_t cnt, cred_t *cr);
403 396 void dsl_dataset_snapshot_sync_impl(dsl_dataset_t *ds, const char *snapname,
404 397 dmu_tx_t *tx);
405 398
406 399 void dsl_dataset_remove_from_next_clones(dsl_dataset_t *ds, uint64_t obj,
407 400 dmu_tx_t *tx);
408 401 void dsl_dataset_recalc_head_uniq(dsl_dataset_t *ds);
409 402 int dsl_dataset_get_snapname(dsl_dataset_t *ds);
410 403 int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name,
411 404 uint64_t *value);
412 405 int dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx,
413 406 boolean_t adj_cnt);
414 407 void dsl_dataset_set_refreservation_sync_impl(dsl_dataset_t *ds,
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415 408 zprop_source_t source, uint64_t value, dmu_tx_t *tx);
416 409 void dsl_dataset_zapify(dsl_dataset_t *ds, dmu_tx_t *tx);
417 410 boolean_t dsl_dataset_is_zapified(dsl_dataset_t *ds);
418 411 boolean_t dsl_dataset_has_resume_receive_state(dsl_dataset_t *ds);
419 412
420 413 int dsl_dataset_rollback_check(void *arg, dmu_tx_t *tx);
421 414 void dsl_dataset_rollback_sync(void *arg, dmu_tx_t *tx);
422 415 int dsl_dataset_rollback(const char *fsname, const char *tosnap, void *owner,
423 416 nvlist_t *result);
424 417
425 -uint64_t dsl_dataset_get_remap_deadlist_object(dsl_dataset_t *ds);
426 -void dsl_dataset_create_remap_deadlist(dsl_dataset_t *ds, dmu_tx_t *tx);
427 -boolean_t dsl_dataset_remap_deadlist_exists(dsl_dataset_t *ds);
428 -void dsl_dataset_destroy_remap_deadlist(dsl_dataset_t *ds, dmu_tx_t *tx);
418 +int dsl_dataset_snapshot_check(void *arg, dmu_tx_t *tx);
419 +void dsl_dataset_snapshot_sync(void *arg, dmu_tx_t *tx);
429 420
421 +typedef struct {
422 + char name[ZFS_MAX_DATASET_NAME_LEN];
423 + char origin_name[ZFS_MAX_DATASET_NAME_LEN];
424 + uint64_t origin_guid;
425 + uint64_t cookie;
426 + boolean_t cookie_is_snap;
427 + boolean_t top_level_ds;
428 + dsl_dataset_t *ds;
429 + list_node_t node;
430 + avl_tree_t snapshots;
431 +} zfs_ds_collector_entry_t;
432 +
433 +uint64_t dsl_dataset_creation_txg(const char *name);
434 +
435 +boolean_t dataset_name_hidden(const char *name);
436 +
437 +zfs_ds_collector_entry_t *dsl_dataset_collector_cache_alloc();
438 +void dsl_dataset_collector_cache_free(zfs_ds_collector_entry_t *entry);
439 +
430 440 void dsl_dataset_deactivate_feature(uint64_t dsobj,
431 441 spa_feature_t f, dmu_tx_t *tx);
432 442
433 443 #ifdef ZFS_DEBUG
434 444 #define dprintf_ds(ds, fmt, ...) do { \
435 445 if (zfs_flags & ZFS_DEBUG_DPRINTF) { \
436 446 char *__ds_name = kmem_alloc(ZFS_MAX_DATASET_NAME_LEN, KM_SLEEP); \
437 447 dsl_dataset_name(ds, __ds_name); \
438 448 dprintf("ds=%s " fmt, __ds_name, __VA_ARGS__); \
439 449 kmem_free(__ds_name, ZFS_MAX_DATASET_NAME_LEN); \
440 450 } \
441 451 _NOTE(CONSTCOND) } while (0)
442 452 #else
443 453 #define dprintf_ds(dd, fmt, ...)
444 454 #endif
445 455
446 456 #ifdef __cplusplus
447 457 }
448 458 #endif
449 459
450 460 #endif /* _SYS_DSL_DATASET_H */
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