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
22 /*
23 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2011 by Delphix. All rights reserved.
25 */
26
27 #include <sys/spa.h>
28 #include <sys/spa_impl.h>
29 #include <sys/zap.h>
30 #include <sys/dsl_synctask.h>
31 #include <sys/dmu_tx.h>
32 #include <sys/dmu_objset.h>
33 #include <sys/utsname.h>
34 #include <sys/cmn_err.h>
35 #include <sys/sunddi.h>
36 #include "zfs_comutil.h"
37 #ifdef _KERNEL
38 #include <sys/zone.h>
39 #endif
40
41 /*
42 * Routines to manage the on-disk history log.
43 *
44 * The history log is stored as a dmu object containing
45 * <packed record length, record nvlist> tuples.
46 *
47 * Where "record nvlist" is a nvlist containing uint64_ts and strings, and
48 * "packed record length" is the packed length of the "record nvlist" stored
49 * as a little endian uint64_t.
50 *
51 * The log is implemented as a ring buffer, though the original creation
52 * of the pool ('zpool create') is never overwritten.
53 *
54 * The history log is tracked as object 'spa_t::spa_history'. The bonus buffer
55 * of 'spa_history' stores the offsets for logging/retrieving history as
159 return (err);
160 }
161 }
162
163 phys_eof = spa_history_log_to_phys(shpp->sh_eof, shpp);
164 firstwrite = MIN(len, shpp->sh_phys_max_off - phys_eof);
165 shpp->sh_eof += len;
166 dmu_write(mos, spa->spa_history, phys_eof, firstwrite, buf, tx);
167
168 len -= firstwrite;
169 if (len > 0) {
170 /* write out the rest at the beginning of physical file */
171 dmu_write(mos, spa->spa_history, shpp->sh_pool_create_len,
172 len, (char *)buf + firstwrite, tx);
173 }
174
175 return (0);
176 }
177
178 static char *
179 spa_history_zone()
180 {
181 #ifdef _KERNEL
182 return (curproc->p_zone->zone_name);
183 #else
184 return ("global");
185 #endif
186 }
187
188 /*
189 * Write out a history event.
190 */
191 /*ARGSUSED*/
192 static void
193 spa_history_log_sync(void *arg1, void *arg2, dmu_tx_t *tx)
194 {
195 spa_t *spa = arg1;
196 history_arg_t *hap = arg2;
197 const char *history_str = hap->ha_history_str;
198 objset_t *mos = spa->spa_meta_objset;
199 dmu_buf_t *dbp;
200 spa_history_phys_t *shpp;
201 size_t reclen;
202 uint64_t le_len;
203 nvlist_t *nvrecord;
204 char *record_packed = NULL;
205 int ret;
206
207 /*
208 * If we have an older pool that doesn't have a command
209 * history object, create it now.
210 */
211 mutex_enter(&spa->spa_history_lock);
212 if (!spa->spa_history)
213 spa_history_create_obj(spa, tx);
214 mutex_exit(&spa->spa_history_lock);
215
216 /*
217 * Get the offset of where we need to write via the bonus buffer.
218 * Update the offset when the write completes.
219 */
220 VERIFY(0 == dmu_bonus_hold(mos, spa->spa_history, FTAG, &dbp));
221 shpp = dbp->db_data;
222
223 dmu_buf_will_dirty(dbp, tx);
224
225 #ifdef ZFS_DEBUG
226 {
227 dmu_object_info_t doi;
228 dmu_object_info_from_db(dbp, &doi);
229 ASSERT3U(doi.doi_bonus_type, ==, DMU_OT_SPA_HISTORY_OFFSETS);
230 }
231 #endif
232
233 VERIFY(nvlist_alloc(&nvrecord, NV_UNIQUE_NAME, KM_SLEEP) == 0);
234 VERIFY(nvlist_add_uint64(nvrecord, ZPOOL_HIST_TIME,
235 gethrestime_sec()) == 0);
236 VERIFY(nvlist_add_uint64(nvrecord, ZPOOL_HIST_WHO, hap->ha_uid) == 0);
237 if (hap->ha_zone != NULL)
238 VERIFY(nvlist_add_string(nvrecord, ZPOOL_HIST_ZONE,
239 hap->ha_zone) == 0);
240 #ifdef _KERNEL
241 VERIFY(nvlist_add_string(nvrecord, ZPOOL_HIST_HOST,
242 utsname.nodename) == 0);
243 #endif
244 if (hap->ha_log_type == LOG_CMD_POOL_CREATE ||
245 hap->ha_log_type == LOG_CMD_NORMAL) {
246 VERIFY(nvlist_add_string(nvrecord, ZPOOL_HIST_CMD,
247 history_str) == 0);
248
249 zfs_dbgmsg("command: %s", history_str);
250 } else {
251 VERIFY(nvlist_add_uint64(nvrecord, ZPOOL_HIST_INT_EVENT,
252 hap->ha_event) == 0);
253 VERIFY(nvlist_add_uint64(nvrecord, ZPOOL_HIST_TXG,
254 tx->tx_txg) == 0);
255 VERIFY(nvlist_add_string(nvrecord, ZPOOL_HIST_INT_STR,
256 history_str) == 0);
257
258 zfs_dbgmsg("internal %s pool:%s txg:%llu %s",
259 zfs_history_event_names[hap->ha_event], spa_name(spa),
260 (longlong_t)tx->tx_txg, history_str);
261
262 }
263
264 VERIFY(nvlist_size(nvrecord, &reclen, NV_ENCODE_XDR) == 0);
265 record_packed = kmem_alloc(reclen, KM_SLEEP);
266
267 VERIFY(nvlist_pack(nvrecord, &record_packed, &reclen,
268 NV_ENCODE_XDR, KM_SLEEP) == 0);
269
270 mutex_enter(&spa->spa_history_lock);
271 if (hap->ha_log_type == LOG_CMD_POOL_CREATE)
272 VERIFY(shpp->sh_eof == shpp->sh_pool_create_len);
273
274 /* write out the packed length as little endian */
275 le_len = LE_64((uint64_t)reclen);
276 ret = spa_history_write(spa, &le_len, sizeof (le_len), shpp, tx);
277 if (!ret)
278 ret = spa_history_write(spa, record_packed, reclen, shpp, tx);
279
280 if (!ret && hap->ha_log_type == LOG_CMD_POOL_CREATE) {
281 shpp->sh_pool_create_len += sizeof (le_len) + reclen;
282 shpp->sh_bof = shpp->sh_pool_create_len;
283 }
284
285 mutex_exit(&spa->spa_history_lock);
286 nvlist_free(nvrecord);
287 kmem_free(record_packed, reclen);
288 dmu_buf_rele(dbp, FTAG);
289
290 strfree(hap->ha_history_str);
291 if (hap->ha_zone != NULL)
292 strfree(hap->ha_zone);
293 kmem_free(hap, sizeof (history_arg_t));
294 }
295
296 /*
297 * Write out a history event.
298 */
299 int
300 spa_history_log(spa_t *spa, const char *history_str, history_log_type_t what)
301 {
302 history_arg_t *ha;
303 int err = 0;
304 dmu_tx_t *tx;
305
306 ASSERT(what != LOG_INTERNAL);
307
308 tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
309 err = dmu_tx_assign(tx, TXG_WAIT);
310 if (err) {
311 dmu_tx_abort(tx);
312 return (err);
313 }
314
315 ha = kmem_alloc(sizeof (history_arg_t), KM_SLEEP);
316 ha->ha_history_str = strdup(history_str);
317 ha->ha_zone = strdup(spa_history_zone());
318 ha->ha_log_type = what;
319 ha->ha_uid = crgetuid(CRED());
320
321 /* Kick this off asynchronously; errors are ignored. */
322 dsl_sync_task_do_nowait(spa_get_dsl(spa), NULL,
323 spa_history_log_sync, spa, ha, 0, tx);
324 dmu_tx_commit(tx);
325
326 /* spa_history_log_sync will free ha and strings */
327 return (err);
328 }
329
330 /*
331 * Read out the command history.
332 */
333 int
334 spa_history_get(spa_t *spa, uint64_t *offp, uint64_t *len, char *buf)
335 {
336 objset_t *mos = spa->spa_meta_objset;
337 dmu_buf_t *dbp;
338 uint64_t read_len, phys_read_off, phys_eof;
339 uint64_t leftover = 0;
340 spa_history_phys_t *shpp;
341 int err;
342
343 /*
344 * If the command history doesn't exist (older pool),
345 * that's ok, just return ENOENT.
346 */
347 if (!spa->spa_history)
407 *len = read_len + leftover;
408
409 if (read_len == 0) {
410 mutex_exit(&spa->spa_history_lock);
411 dmu_buf_rele(dbp, FTAG);
412 return (0);
413 }
414
415 err = dmu_read(mos, spa->spa_history, phys_read_off, read_len, buf,
416 DMU_READ_PREFETCH);
417 if (leftover && err == 0) {
418 err = dmu_read(mos, spa->spa_history, shpp->sh_pool_create_len,
419 leftover, buf + read_len, DMU_READ_PREFETCH);
420 }
421 mutex_exit(&spa->spa_history_lock);
422
423 dmu_buf_rele(dbp, FTAG);
424 return (err);
425 }
426
427 static void
428 log_internal(history_internal_events_t event, spa_t *spa,
429 dmu_tx_t *tx, const char *fmt, va_list adx)
430 {
431 history_arg_t *ha;
432
433 /*
434 * If this is part of creating a pool, not everything is
435 * initialized yet, so don't bother logging the internal events.
436 */
437 if (tx->tx_txg == TXG_INITIAL)
438 return;
439
440 ha = kmem_alloc(sizeof (history_arg_t), KM_SLEEP);
441 ha->ha_history_str = kmem_alloc(vsnprintf(NULL, 0, fmt, adx) + 1,
442 KM_SLEEP);
443
444 (void) vsprintf(ha->ha_history_str, fmt, adx);
445
446 ha->ha_log_type = LOG_INTERNAL;
447 ha->ha_event = event;
448 ha->ha_zone = NULL;
449 ha->ha_uid = 0;
450
451 if (dmu_tx_is_syncing(tx)) {
452 spa_history_log_sync(spa, ha, tx);
453 } else {
454 dsl_sync_task_do_nowait(spa_get_dsl(spa), NULL,
455 spa_history_log_sync, spa, ha, 0, tx);
456 }
457 /* spa_history_log_sync() will free ha and strings */
458 }
459
460 void
461 spa_history_log_internal(history_internal_events_t event, spa_t *spa,
462 dmu_tx_t *tx, const char *fmt, ...)
463 {
464 dmu_tx_t *htx = tx;
465 va_list adx;
466
467 /* create a tx if we didn't get one */
468 if (tx == NULL) {
469 htx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
470 if (dmu_tx_assign(htx, TXG_WAIT) != 0) {
471 dmu_tx_abort(htx);
472 return;
473 }
474 }
475
476 va_start(adx, fmt);
477 log_internal(event, spa, htx, fmt, adx);
478 va_end(adx);
479
480 /* if we didn't get a tx from the caller, commit the one we made */
481 if (tx == NULL)
482 dmu_tx_commit(htx);
483 }
484
485 void
486 spa_history_log_version(spa_t *spa, history_internal_events_t event)
487 {
488 #ifdef _KERNEL
489 uint64_t current_vers = spa_version(spa);
490
491 if (current_vers >= SPA_VERSION_ZPOOL_HISTORY) {
492 spa_history_log_internal(event, spa, NULL,
493 "pool spa %llu; zfs spa %llu; zpl %d; uts %s %s %s %s",
494 (u_longlong_t)current_vers, SPA_VERSION, ZPL_VERSION,
495 utsname.nodename, utsname.release, utsname.version,
496 utsname.machine);
497 }
498 cmn_err(CE_CONT, "!%s version %llu pool %s using %llu",
499 event == LOG_POOL_IMPORT ? "imported" :
500 event == LOG_POOL_CREATE ? "created" : "accessed",
501 (u_longlong_t)current_vers, spa_name(spa), SPA_VERSION);
502 #endif
503 }
|
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
22 /*
23 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2012 by Delphix. All rights reserved.
25 */
26
27 #include <sys/spa.h>
28 #include <sys/spa_impl.h>
29 #include <sys/zap.h>
30 #include <sys/dsl_synctask.h>
31 #include <sys/dmu_tx.h>
32 #include <sys/dmu_objset.h>
33 #include <sys/dsl_dataset.h>
34 #include <sys/dsl_dir.h>
35 #include <sys/utsname.h>
36 #include <sys/cmn_err.h>
37 #include <sys/sunddi.h>
38 #include <sys/cred.h>
39 #include "zfs_comutil.h"
40 #ifdef _KERNEL
41 #include <sys/zone.h>
42 #endif
43
44 /*
45 * Routines to manage the on-disk history log.
46 *
47 * The history log is stored as a dmu object containing
48 * <packed record length, record nvlist> tuples.
49 *
50 * Where "record nvlist" is a nvlist containing uint64_ts and strings, and
51 * "packed record length" is the packed length of the "record nvlist" stored
52 * as a little endian uint64_t.
53 *
54 * The log is implemented as a ring buffer, though the original creation
55 * of the pool ('zpool create') is never overwritten.
56 *
57 * The history log is tracked as object 'spa_t::spa_history'. The bonus buffer
58 * of 'spa_history' stores the offsets for logging/retrieving history as
162 return (err);
163 }
164 }
165
166 phys_eof = spa_history_log_to_phys(shpp->sh_eof, shpp);
167 firstwrite = MIN(len, shpp->sh_phys_max_off - phys_eof);
168 shpp->sh_eof += len;
169 dmu_write(mos, spa->spa_history, phys_eof, firstwrite, buf, tx);
170
171 len -= firstwrite;
172 if (len > 0) {
173 /* write out the rest at the beginning of physical file */
174 dmu_write(mos, spa->spa_history, shpp->sh_pool_create_len,
175 len, (char *)buf + firstwrite, tx);
176 }
177
178 return (0);
179 }
180
181 static char *
182 spa_history_zone(void)
183 {
184 #ifdef _KERNEL
185 if (INGLOBALZONE(curproc))
186 return (NULL);
187 return (curproc->p_zone->zone_name);
188 #else
189 return (NULL);
190 #endif
191 }
192
193 /*
194 * Write out a history event.
195 */
196 /*ARGSUSED*/
197 static void
198 spa_history_log_sync(void *arg1, void *arg2, dmu_tx_t *tx)
199 {
200 spa_t *spa = arg1;
201 nvlist_t *nvl = arg2;
202 objset_t *mos = spa->spa_meta_objset;
203 dmu_buf_t *dbp;
204 spa_history_phys_t *shpp;
205 size_t reclen;
206 uint64_t le_len;
207 char *record_packed = NULL;
208 int ret;
209
210 /*
211 * If we have an older pool that doesn't have a command
212 * history object, create it now.
213 */
214 mutex_enter(&spa->spa_history_lock);
215 if (!spa->spa_history)
216 spa_history_create_obj(spa, tx);
217 mutex_exit(&spa->spa_history_lock);
218
219 /*
220 * Get the offset of where we need to write via the bonus buffer.
221 * Update the offset when the write completes.
222 */
223 VERIFY(0 == dmu_bonus_hold(mos, spa->spa_history, FTAG, &dbp));
224 shpp = dbp->db_data;
225
226 dmu_buf_will_dirty(dbp, tx);
227
228 #ifdef ZFS_DEBUG
229 {
230 dmu_object_info_t doi;
231 dmu_object_info_from_db(dbp, &doi);
232 ASSERT3U(doi.doi_bonus_type, ==, DMU_OT_SPA_HISTORY_OFFSETS);
233 }
234 #endif
235
236 fnvlist_add_uint64(nvl, ZPOOL_HIST_TIME, gethrestime_sec());
237 #ifdef _KERNEL
238 fnvlist_add_string(nvl, ZPOOL_HIST_HOST, utsname.nodename);
239 #endif
240 if (nvlist_exists(nvl, ZPOOL_HIST_CMD)) {
241 zfs_dbgmsg("command: %s",
242 fnvlist_lookup_string(nvl, ZPOOL_HIST_CMD));
243 } else if (nvlist_exists(nvl, ZPOOL_HIST_INT_NAME)) {
244 if (nvlist_exists(nvl, ZPOOL_HIST_DSNAME)) {
245 zfs_dbgmsg("txg %lld %s %s (id %llu) %s",
246 fnvlist_lookup_uint64(nvl, ZPOOL_HIST_TXG),
247 fnvlist_lookup_string(nvl, ZPOOL_HIST_INT_NAME),
248 fnvlist_lookup_string(nvl, ZPOOL_HIST_DSNAME),
249 fnvlist_lookup_uint64(nvl, ZPOOL_HIST_DSID),
250 fnvlist_lookup_string(nvl, ZPOOL_HIST_INT_STR));
251 } else {
252 zfs_dbgmsg("txg %lld %s %s",
253 fnvlist_lookup_uint64(nvl, ZPOOL_HIST_TXG),
254 fnvlist_lookup_string(nvl, ZPOOL_HIST_INT_NAME),
255 fnvlist_lookup_string(nvl, ZPOOL_HIST_INT_STR));
256 }
257 } else if (nvlist_exists(nvl, ZPOOL_HIST_IOCTL)) {
258 zfs_dbgmsg("ioctl %s",
259 fnvlist_lookup_string(nvl, ZPOOL_HIST_IOCTL));
260 }
261
262 record_packed = fnvlist_pack(nvl, &reclen);
263
264 mutex_enter(&spa->spa_history_lock);
265
266 /* write out the packed length as little endian */
267 le_len = LE_64((uint64_t)reclen);
268 ret = spa_history_write(spa, &le_len, sizeof (le_len), shpp, tx);
269 if (!ret)
270 ret = spa_history_write(spa, record_packed, reclen, shpp, tx);
271
272 /* The first command is the create, which we keep forever */
273 if (ret == 0 && shpp->sh_pool_create_len == 0 &&
274 nvlist_exists(nvl, ZPOOL_HIST_CMD)) {
275 shpp->sh_pool_create_len = shpp->sh_bof = shpp->sh_eof;
276 }
277
278 mutex_exit(&spa->spa_history_lock);
279 fnvlist_pack_free(record_packed, reclen);
280 dmu_buf_rele(dbp, FTAG);
281 fnvlist_free(nvl);
282 }
283
284 /*
285 * Write out a history event.
286 */
287 int
288 spa_history_log(spa_t *spa, const char *msg)
289 {
290 int err;
291 nvlist_t *nvl = fnvlist_alloc();
292
293 fnvlist_add_string(nvl, ZPOOL_HIST_CMD, msg);
294 err = spa_history_log_nvl(spa, nvl);
295 fnvlist_free(nvl);
296 return (err);
297 }
298
299 int
300 spa_history_log_nvl(spa_t *spa, nvlist_t *nvl)
301 {
302 int err = 0;
303 dmu_tx_t *tx;
304 nvlist_t *nvarg;
305
306 if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY)
307 return (EINVAL);
308
309 tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
310 err = dmu_tx_assign(tx, TXG_WAIT);
311 if (err) {
312 dmu_tx_abort(tx);
313 return (err);
314 }
315
316 nvarg = fnvlist_dup(nvl);
317 if (spa_history_zone() != NULL) {
318 fnvlist_add_string(nvarg, ZPOOL_HIST_ZONE,
319 spa_history_zone());
320 }
321 fnvlist_add_uint64(nvarg, ZPOOL_HIST_WHO, crgetruid(CRED()));
322
323 /* Kick this off asynchronously; errors are ignored. */
324 dsl_sync_task_do_nowait(spa_get_dsl(spa), NULL,
325 spa_history_log_sync, spa, nvarg, 0, tx);
326 dmu_tx_commit(tx);
327
328 /* spa_history_log_sync will free nvl */
329 return (err);
330
331 }
332
333 /*
334 * Read out the command history.
335 */
336 int
337 spa_history_get(spa_t *spa, uint64_t *offp, uint64_t *len, char *buf)
338 {
339 objset_t *mos = spa->spa_meta_objset;
340 dmu_buf_t *dbp;
341 uint64_t read_len, phys_read_off, phys_eof;
342 uint64_t leftover = 0;
343 spa_history_phys_t *shpp;
344 int err;
345
346 /*
347 * If the command history doesn't exist (older pool),
348 * that's ok, just return ENOENT.
349 */
350 if (!spa->spa_history)
410 *len = read_len + leftover;
411
412 if (read_len == 0) {
413 mutex_exit(&spa->spa_history_lock);
414 dmu_buf_rele(dbp, FTAG);
415 return (0);
416 }
417
418 err = dmu_read(mos, spa->spa_history, phys_read_off, read_len, buf,
419 DMU_READ_PREFETCH);
420 if (leftover && err == 0) {
421 err = dmu_read(mos, spa->spa_history, shpp->sh_pool_create_len,
422 leftover, buf + read_len, DMU_READ_PREFETCH);
423 }
424 mutex_exit(&spa->spa_history_lock);
425
426 dmu_buf_rele(dbp, FTAG);
427 return (err);
428 }
429
430 /*
431 * The nvlist will be consumed by this call.
432 */
433 static void
434 log_internal(nvlist_t *nvl, const char *operation, spa_t *spa,
435 dmu_tx_t *tx, const char *fmt, va_list adx)
436 {
437 char *msg;
438
439 /*
440 * If this is part of creating a pool, not everything is
441 * initialized yet, so don't bother logging the internal events.
442 */
443 if (tx->tx_txg == TXG_INITIAL)
444 return;
445
446 msg = kmem_alloc(vsnprintf(NULL, 0, fmt, adx) + 1, KM_SLEEP);
447 (void) vsprintf(msg, fmt, adx);
448 fnvlist_add_string(nvl, ZPOOL_HIST_INT_STR, msg);
449 strfree(msg);
450
451 fnvlist_add_string(nvl, ZPOOL_HIST_INT_NAME, operation);
452 fnvlist_add_uint64(nvl, ZPOOL_HIST_TXG, tx->tx_txg);
453
454 if (dmu_tx_is_syncing(tx)) {
455 spa_history_log_sync(spa, nvl, tx);
456 } else {
457 dsl_sync_task_do_nowait(spa_get_dsl(spa), NULL,
458 spa_history_log_sync, spa, nvl, 0, tx);
459 }
460 /* spa_history_log_sync() will free nvl */
461 }
462
463 void
464 spa_history_log_internal(spa_t *spa, const char *operation,
465 dmu_tx_t *tx, const char *fmt, ...)
466 {
467 dmu_tx_t *htx = tx;
468 va_list adx;
469
470 /* create a tx if we didn't get one */
471 if (tx == NULL) {
472 htx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
473 if (dmu_tx_assign(htx, TXG_WAIT) != 0) {
474 dmu_tx_abort(htx);
475 return;
476 }
477 }
478
479 va_start(adx, fmt);
480 log_internal(fnvlist_alloc(), operation, spa, htx, fmt, adx);
481 va_end(adx);
482
483 /* if we didn't get a tx from the caller, commit the one we made */
484 if (tx == NULL)
485 dmu_tx_commit(htx);
486 }
487
488 void
489 spa_history_log_internal_ds(dsl_dataset_t *ds, const char *operation,
490 dmu_tx_t *tx, const char *fmt, ...)
491 {
492 va_list adx;
493 char namebuf[MAXNAMELEN];
494 nvlist_t *nvl = fnvlist_alloc();
495
496 ASSERT(tx != NULL);
497
498 dsl_dataset_name(ds, namebuf);
499 fnvlist_add_string(nvl, ZPOOL_HIST_DSNAME, namebuf);
500 fnvlist_add_uint64(nvl, ZPOOL_HIST_DSID, ds->ds_object);
501
502 va_start(adx, fmt);
503 log_internal(nvl, operation, dsl_dataset_get_spa(ds), tx, fmt, adx);
504 va_end(adx);
505 }
506
507 void
508 spa_history_log_internal_dd(dsl_dir_t *dd, const char *operation,
509 dmu_tx_t *tx, const char *fmt, ...)
510 {
511 va_list adx;
512 char namebuf[MAXNAMELEN];
513 nvlist_t *nvl = fnvlist_alloc();
514
515 ASSERT(tx != NULL);
516
517 dsl_dir_name(dd, namebuf);
518 fnvlist_add_string(nvl, ZPOOL_HIST_DSNAME, namebuf);
519 fnvlist_add_uint64(nvl, ZPOOL_HIST_DSID,
520 dd->dd_phys->dd_head_dataset_obj);
521
522 va_start(adx, fmt);
523 log_internal(nvl, operation, dd->dd_pool->dp_spa, tx, fmt, adx);
524 va_end(adx);
525 }
526
527 void
528 spa_history_log_version(spa_t *spa, const char *operation)
529 {
530 #ifdef _KERNEL
531 uint64_t current_vers = spa_version(spa);
532
533 spa_history_log_internal(spa, operation, NULL,
534 "pool version %llu; software version %llu/%d; uts %s %s %s %s",
535 (u_longlong_t)current_vers, SPA_VERSION, ZPL_VERSION,
536 utsname.nodename, utsname.release, utsname.version,
537 utsname.machine);
538 cmn_err(CE_CONT, "!%s version %llu pool %s using %llu", operation,
539 (u_longlong_t)current_vers, spa_name(spa), SPA_VERSION);
540 #endif
541 }
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