4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/obdclass/llog_test.c
34 * Author: Phil Schwan <phil@clusterfs.com>
35 * Author: Mikhail Pershin <mike.pershin@intel.com>
38 #define DEBUG_SUBSYSTEM S_CLASS
40 #include <linux/module.h>
41 #include <linux/init.h>
42 #include <linux/kthread.h>
43 #include <linux/delay.h>
45 #include <obd_class.h>
46 #include <lustre_fid.h>
47 #include <lustre_log.h>
49 /* This is slightly more than the number of records that can fit into a
50 * single llog file, because the llog_log_header takes up some of the
51 * space in the first block that cannot be used for the bitmap. */
52 #define LLOG_TEST_RECNUM (LLOG_MIN_CHUNK_SIZE * 8)
54 static int llog_test_rand;
55 static struct obd_uuid uuid = { .uuid = "test_uuid" };
56 static struct llog_logid cat_logid;
58 struct llog_mini_rec {
59 struct llog_rec_hdr lmr_hdr;
60 struct llog_rec_tail lmr_tail;
61 } __attribute__((packed));
63 static int verify_handle(char *test, struct llog_handle *llh, int num_recs)
69 for (i = 0; i < LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr); i++) {
70 if (ext2_test_bit(i, LLOG_HDR_BITMAP(llh->lgh_hdr))) {
76 /* check the llog is sane at first, llh_count and lgh_last_idx*/
77 if (llh->lgh_hdr->llh_count != active_recs) {
78 CERROR("%s: handle->count is %d, but there are %d recs found\n",
79 test, llh->lgh_hdr->llh_count, active_recs);
83 if (llh->lgh_last_idx != LLOG_HDR_TAIL(llh->lgh_hdr)->lrt_index ||
84 (!(llh->lgh_hdr->llh_flags & LLOG_F_IS_CAT) &&
85 llh->lgh_last_idx < last_idx)) {
86 CERROR("%s: lgh_last_idx is %d (%d in the header), last found %d\n",
87 test, llh->lgh_last_idx,
88 LLOG_HDR_TAIL(llh->lgh_hdr)->lrt_index, last_idx);
92 /* finally checks against expected value from the caller */
93 if (active_recs != num_recs) {
94 CERROR("%s: expected %d active recs after write, found %d\n",
95 test, num_recs, active_recs);
102 /* Test named-log create/open, close */
103 static int llog_test_1(const struct lu_env *env,
104 struct obd_device *obd, char *name)
106 struct llog_handle *llh;
107 struct llog_ctxt *ctxt;
113 CWARN("1a: create a log with name: %s\n", name);
114 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
117 rc = llog_open_create(env, ctxt, &llh, NULL, name);
119 CERROR("1a: llog_create with name %s failed: %d\n", name, rc);
122 rc = llog_init_handle(env, llh, LLOG_F_IS_PLAIN, &uuid);
124 CERROR("1a: can't init llog handle: %d\n", rc);
128 rc = verify_handle("1", llh, 1);
130 CWARN("1b: close newly-created log\n");
132 rc2 = llog_close(env, llh);
134 CERROR("1b: close log %s failed: %d\n", name, rc2);
143 static int test_2_cancel_cb(const struct lu_env *env, struct llog_handle *llh,
144 struct llog_rec_hdr *rec, void *data)
146 return LLOG_DEL_RECORD;
149 /* Test named-log reopen; returns opened log on success */
150 static int llog_test_2(const struct lu_env *env, struct obd_device *obd,
151 char *name, struct llog_handle **llh)
153 struct llog_ctxt *ctxt;
154 struct llog_handle *lgh;
155 struct llog_logid logid;
157 struct llog_mini_rec lmr;
161 CWARN("2a: re-open a log with name: %s\n", name);
162 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
165 rc = llog_open(env, ctxt, llh, NULL, name, LLOG_OPEN_EXISTS);
167 CERROR("2a: re-open log with name %s failed: %d\n", name, rc);
171 rc = llog_init_handle(env, *llh, LLOG_F_IS_PLAIN, &uuid);
173 CERROR("2a: can't init llog handle: %d\n", rc);
174 GOTO(out_close_llh, rc);
177 rc = verify_handle("2", *llh, 1);
179 GOTO(out_close_llh, rc);
181 CWARN("2b: create a log without specified NAME & LOGID\n");
182 rc = llog_open_create(env, ctxt, &lgh, NULL, NULL);
184 CERROR("2b: create log failed\n");
185 GOTO(out_close_llh, rc);
187 rc = llog_init_handle(env, lgh, LLOG_F_IS_PLAIN, &uuid);
189 CERROR("2b: can't init llog handle: %d\n", rc);
195 lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
196 lmr.lmr_hdr.lrh_type = 0xf02f02;
198 /* Check llog header values are correct after record add/cancel */
199 CWARN("2b: write 1 llog records, check llh_count\n");
200 rc = llog_write(env, lgh, &lmr.lmr_hdr, LLOG_NEXT_IDX);
204 /* in-memory values after record addition */
205 rc = verify_handle("2b", lgh, 2);
209 /* re-open llog to read on-disk values */
210 llog_close(env, lgh);
212 CWARN("2c: re-open the log by LOGID and verify llh_count\n");
213 rc = llog_open(env, ctxt, &lgh, &logid, NULL, LLOG_OPEN_EXISTS);
215 CERROR("2c: re-open log by LOGID failed\n");
216 GOTO(out_close_llh, rc);
219 rc = llog_init_handle(env, lgh, LLOG_F_IS_PLAIN, &uuid);
221 CERROR("2c: can't init llog handle: %d\n", rc);
225 /* check values just read from disk */
226 rc = verify_handle("2c", lgh, 2);
230 rc = llog_process(env, lgh, test_2_cancel_cb, NULL, NULL);
234 /* in-memory values */
235 rc = verify_handle("2c", lgh, 1);
239 /* re-open llog to get on-disk values */
240 llog_close(env, lgh);
242 rc = llog_open(env, ctxt, &lgh, &logid, NULL, LLOG_OPEN_EXISTS);
244 CERROR("2c: re-open log by LOGID failed\n");
245 GOTO(out_close_llh, rc);
248 rc = llog_init_handle(env, lgh, LLOG_F_IS_PLAIN, &uuid);
250 CERROR("2c: can't init llog handle: %d\n", rc);
254 /* on-disk values after llog re-open */
255 rc = verify_handle("2c", lgh, 1);
259 CWARN("2d: destroy this log\n");
260 rc = llog_destroy(env, lgh);
262 CERROR("2d: destroy log failed\n");
264 llog_close(env, lgh);
267 llog_close(env, *llh);
274 static int test_3_rec_num;
275 static off_t test_3_rec_off;
276 static int test_3_paddings;
277 static int test_3_start_idx;
281 * - check lgh_cur_offset correctness
282 * - check record index consistency
283 * - modify each record in-place
284 * - add new record during *last_idx processing
286 static int test3_check_n_add_cb(const struct lu_env *env,
287 struct llog_handle *lgh,
288 struct llog_rec_hdr *rec, void *data)
290 struct llog_gen_rec *lgr = (struct llog_gen_rec *)rec;
291 int *last_rec = data;
292 unsigned cur_idx = test_3_start_idx + test_3_rec_num;
295 if (lgh->lgh_hdr->llh_flags & LLOG_F_IS_FIXSIZE) {
296 LASSERT(lgh->lgh_hdr->llh_size > 0);
297 if (lgh->lgh_cur_offset != lgh->lgh_hdr->llh_hdr.lrh_len +
298 (cur_idx - 1) * lgh->lgh_hdr->llh_size)
299 CERROR("Wrong record offset in cur_off: %llu, should be %u\n",
301 lgh->lgh_hdr->llh_hdr.lrh_len +
302 (cur_idx - 1) * lgh->lgh_hdr->llh_size);
304 size_t chunk_size = lgh->lgh_hdr->llh_hdr.lrh_len;
306 /* For variable size records the start offset is unknown, trust
307 * the first value and check others are consistent with it. */
308 if (test_3_rec_off == 0)
309 test_3_rec_off = lgh->lgh_cur_offset;
311 if (lgh->lgh_cur_offset != test_3_rec_off) {
312 __u64 tmp = lgh->lgh_cur_offset;
314 /* there can be padding record */
315 if ((do_div(tmp, chunk_size) == 0) &&
316 (lgh->lgh_cur_offset - test_3_rec_off <
317 rec->lrh_len + LLOG_MIN_REC_SIZE)) {
318 test_3_rec_off = lgh->lgh_cur_offset;
321 CERROR("Wrong record offset in cur_off: %llu"
322 ", should be %lld (rec len %u)\n",
324 (long long)test_3_rec_off,
328 test_3_rec_off += rec->lrh_len;
331 cur_idx += test_3_paddings;
332 if (cur_idx != rec->lrh_index)
333 CERROR("Record with wrong index was read: %u, expected %u\n",
334 rec->lrh_index, cur_idx);
336 /* modify all records in place */
337 lgr->lgr_gen.conn_cnt = rec->lrh_index;
338 rc = llog_write(env, lgh, rec, rec->lrh_index);
340 CERROR("cb_test_3: cannot modify record while processing\n");
342 /* Add new record to the llog at *last_rec position one by one to
343 * check that last block is re-read during processing */
344 if (cur_idx == *last_rec || cur_idx == (*last_rec + 1)) {
345 rc = llog_write(env, lgh, rec, LLOG_NEXT_IDX);
347 CERROR("cb_test_3: cannot add new record while "
355 /* Check in-place modifications were done for all records*/
356 static int test3_check_cb(const struct lu_env *env, struct llog_handle *lgh,
357 struct llog_rec_hdr *rec, void *data)
359 struct llog_gen_rec *lgr = (struct llog_gen_rec *)rec;
361 if (lgr->lgr_gen.conn_cnt != rec->lrh_index) {
362 CERROR("cb_test_3: record %u is not modified\n",
370 static int llog_test3_process(const struct lu_env *env,
371 struct llog_handle *lgh,
372 llog_cb_t cb, int start)
374 struct llog_process_cat_data cd;
375 int last_idx; /* new record will be injected here */
378 CWARN("test3: processing records from index %d to the end\n",
380 cd.lpcd_first_idx = start - 1;
381 cd.lpcd_last_idx = 0;
382 test_3_rec_num = test_3_paddings = 0;
383 last_idx = lgh->lgh_last_idx;
384 rc = llog_process(env, lgh, cb, &last_idx, &cd);
387 CWARN("test3: total %u records processed with %u paddings\n",
388 test_3_rec_num, test_3_paddings);
389 return test_3_rec_num;
392 /* Test plain llog functionality */
393 static int llog_test_3(const struct lu_env *env, struct obd_device *obd,
394 struct llog_handle *llh)
397 struct llog_rec_hdr *hdr = (void *)buf;
399 int num_recs = 1; /* 1 for the header */
404 hdr->lrh_len = sizeof(struct llog_gen_rec);
405 hdr->lrh_type = LLOG_GEN_REC;
406 llh->lgh_hdr->llh_size = sizeof(struct llog_gen_rec);
407 llh->lgh_hdr->llh_flags |= LLOG_F_IS_FIXSIZE;
409 /* Fill the llog with 64-bytes records, use 1023 records,
410 * so last chunk will be partially full. Don't change this
411 * value until record size is changed.
413 CWARN("3a: write 1023 fixed-size llog records\n");
414 for (i = 0; i < 1023; i++) {
415 rc = llog_write(env, llh, hdr, LLOG_NEXT_IDX);
417 CERROR("3a: write 1023 records failed at #%d: %d\n",
424 rc = verify_handle("3a", llh, num_recs);
429 * Test fixed-size records processing:
430 * - search the needed index
431 * - go through all records from that index
432 * - check all indices are growing monotonically and exist
433 * - modify each record
435 * NB: test3_check_n_add adds two new records while processing
436 * after last record. There were 1023 records created so the last chunk
437 * misses exactly one record. Therefore one of new records will be
438 * the last in the current chunk and second causes the new chunk to be
442 test_3_start_idx = 501;
444 rc = llog_test3_process(env, llh, test3_check_n_add_cb,
449 /* extra record is created during llog_process() */
450 if (rc != expected) {
451 CERROR("3a: process total %d records but expect %d\n",
458 /* test modification in place */
459 rc = llog_test3_process(env, llh, test3_check_cb, test_3_start_idx);
463 if (rc != expected) {
464 CERROR("3a: process total %d records but expect %d\n",
469 CWARN("3b: write 566 variable size llog records\n");
471 /* Drop llh_size to 0 to mark llog as variable-size and write
472 * header to make this change permanent. */
473 llh->lgh_hdr->llh_flags &= ~LLOG_F_IS_FIXSIZE;
474 llog_write(env, llh, &llh->lgh_hdr->llh_hdr, LLOG_HEADER_IDX);
476 hdr->lrh_type = OBD_CFG_REC;
478 /* there are 1025 64-bytes records in llog already,
479 * the last chunk contains single record, i.e. 64 bytes.
480 * Each pair of variable size records is 200 bytes, so
481 * we will have the following distribution per chunks:
482 * block 1: 64 + 80(80/120) + 80 + 48(pad) = 81 iterations
483 * block 2: 80(120/80) + 120 + 72(pad) = 81 itereations
484 * block 3: 80(80/120) + 80 + 112(pad) = 81 iterations
485 * -- the same as block 2 again and so on.
486 * block 7: 80(80/120) = 80 iterations and 192 bytes remain
487 * Total 6 * 81 + 80 = 566 itereations.
488 * Callback will add another 120 bytes in the end of the last chunk
489 * and another 120 bytes will cause padding (72 bytes) plus 120
490 * bytes in the new block.
492 for (i = 0; i < 566; i++) {
498 rc = llog_write(env, llh, hdr, LLOG_NEXT_IDX);
500 CERROR("3b: write 566 records failed at #%d: %d\n",
507 rc = verify_handle("3b", llh, num_recs);
511 test_3_start_idx = 1026;
513 rc = llog_test3_process(env, llh, test3_check_n_add_cb,
518 if (rc != expected) {
519 CERROR("3b: process total %d records but expect %d\n",
526 /* test modification in place */
527 rc = llog_test3_process(env, llh, test3_check_cb, test_3_start_idx);
531 if (rc != expected) {
532 CERROR("3b: process total %d records but expect %d\n",
537 CWARN("3c: write records with variable size until BITMAP_SIZE, "
539 while (num_recs < LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr)) {
540 if ((num_recs % 2) == 0)
545 rc = llog_write(env, llh, hdr, LLOG_NEXT_IDX);
549 CERROR("3c: write recs failed at #%d: %d\n",
557 CWARN("3c: write record more than BITMAP size!\n");
560 CWARN("3c: wrote %d more records before end of llog is reached\n",
563 rc = verify_handle("3c", llh, num_recs);
568 /* Test catalogue additions */
569 static int llog_test_4(const struct lu_env *env, struct obd_device *obd)
571 struct llog_handle *cath;
573 int rc, rc2, i, buflen;
574 struct llog_mini_rec lmr;
575 struct llog_cookie cookie;
576 struct llog_ctxt *ctxt;
579 struct llog_rec_hdr *rec;
583 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
586 lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
587 lmr.lmr_hdr.lrh_type = 0xf00f00;
589 sprintf(name, "%x", llog_test_rand + 1);
590 CWARN("4a: create a catalog log with name: %s\n", name);
591 rc = llog_open_create(env, ctxt, &cath, NULL, name);
593 CERROR("4a: llog_create with name %s failed: %d\n", name, rc);
594 GOTO(ctxt_release, rc);
596 rc = llog_init_handle(env, cath, LLOG_F_IS_CAT, &uuid);
598 CERROR("4a: can't init llog handle: %d\n", rc);
603 cat_logid = cath->lgh_id;
605 CWARN("4b: write 1 record into the catalog\n");
606 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, &cookie);
608 CERROR("4b: write 1 catalog record failed at: %d\n", rc);
612 rc = verify_handle("4b", cath, 2);
616 rc = verify_handle("4b", cath->u.chd.chd_current_log, num_recs);
620 CWARN("4c: cancel 1 log record\n");
621 rc = llog_cat_cancel_records(env, cath, 1, &cookie);
623 CERROR("4c: cancel 1 catalog based record failed: %d\n", rc);
628 rc = verify_handle("4c", cath->u.chd.chd_current_log, num_recs);
632 CWARN("4d: write %d more log records\n", LLOG_TEST_RECNUM);
633 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
634 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
636 CERROR("4d: write %d records failed at #%d: %d\n",
637 LLOG_TEST_RECNUM, i + 1, rc);
643 /* make sure new plain llog appears */
644 rc = verify_handle("4d", cath, 3);
648 CWARN("4e: add 5 large records, one record per block\n");
649 buflen = LLOG_MIN_CHUNK_SIZE;
650 OBD_ALLOC(buf, buflen);
652 GOTO(out, rc = -ENOMEM);
653 for (i = 0; i < 5; i++) {
655 rec->lrh_len = buflen;
656 rec->lrh_type = OBD_CFG_REC;
657 rc = llog_cat_add(env, cath, rec, NULL);
659 CERROR("4e: write 5 records failed at #%d: %d\n",
666 OBD_FREE(buf, buflen);
668 CWARN("4f: put newly-created catalog\n");
669 rc2 = llog_cat_close(env, cath);
671 CERROR("4: close log %s failed: %d\n", name, rc2);
680 static int cat_counter;
682 static int cat_print_cb(const struct lu_env *env, struct llog_handle *llh,
683 struct llog_rec_hdr *rec, void *data)
685 struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
686 struct lu_fid fid = {0};
688 if (rec->lrh_type != LLOG_LOGID_MAGIC) {
689 CERROR("invalid record in catalog\n");
693 logid_to_fid(&lir->lid_id, &fid);
695 CWARN("seeing record at index %d - "DFID" in log "DFID"\n",
696 rec->lrh_index, PFID(&fid),
697 PFID(lu_object_fid(&llh->lgh_obj->do_lu)));
704 static int plain_counter;
706 static int plain_print_cb(const struct lu_env *env, struct llog_handle *llh,
707 struct llog_rec_hdr *rec, void *data)
709 struct lu_fid fid = {0};
711 if (!(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN)) {
712 CERROR("log is not plain\n");
716 logid_to_fid(&llh->lgh_id, &fid);
718 CDEBUG(D_INFO, "seeing record at index %d in log "DFID"\n",
719 rec->lrh_index, PFID(&fid));
726 static int cancel_count;
728 static int llog_cancel_rec_cb(const struct lu_env *env,
729 struct llog_handle *llh,
730 struct llog_rec_hdr *rec, void *data)
732 struct llog_cookie cookie;
734 if (!(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN)) {
735 CERROR("log is not plain\n");
739 cookie.lgc_lgl = llh->lgh_id;
740 cookie.lgc_index = rec->lrh_index;
742 llog_cat_cancel_records(env, llh->u.phd.phd_cat_handle, 1, &cookie);
744 if (cancel_count == LLOG_TEST_RECNUM)
745 RETURN(-LLOG_EEMPTY);
749 /* Test log and catalogue processing */
750 static int llog_test_5(const struct lu_env *env, struct obd_device *obd)
752 struct llog_handle *llh = NULL;
755 struct llog_mini_rec lmr;
756 struct llog_ctxt *ctxt;
760 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
763 lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
764 lmr.lmr_hdr.lrh_type = 0xf00f00;
766 CWARN("5a: re-open catalog by id\n");
767 rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS);
769 CERROR("5a: llog_create with logid failed: %d\n", rc);
773 rc = llog_init_handle(env, llh, LLOG_F_IS_CAT, &uuid);
775 CERROR("5a: can't init llog handle: %d\n", rc);
779 CWARN("5b: print the catalog entries.. we expect 2\n");
781 rc = llog_process(env, llh, cat_print_cb, "test 5", NULL);
783 CERROR("5b: process with cat_print_cb failed: %d\n", rc);
786 if (cat_counter != 2) {
787 CERROR("5b: %d entries in catalog\n", cat_counter);
788 GOTO(out, rc = -EINVAL);
791 CWARN("5c: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
793 rc = llog_cat_process(env, llh, llog_cancel_rec_cb, "foobar", 0, 0);
794 if (rc != -LLOG_EEMPTY) {
795 CERROR("5c: process with llog_cancel_rec_cb failed: %d\n", rc);
799 CWARN("5c: print the catalog entries.. we expect 1\n");
801 rc = llog_process(env, llh, cat_print_cb, "test 5", NULL);
803 CERROR("5c: process with cat_print_cb failed: %d\n", rc);
806 if (cat_counter != 1) {
807 CERROR("5c: %d entries in catalog\n", cat_counter);
808 GOTO(out, rc = -EINVAL);
811 CWARN("5d: add 1 record to the log with many canceled empty pages\n");
812 rc = llog_cat_add(env, llh, &lmr.lmr_hdr, NULL);
814 CERROR("5d: add record to the log with many canceled empty "
819 CWARN("5e: print plain log entries.. expect 6\n");
821 rc = llog_cat_process(env, llh, plain_print_cb, "foobar", 0, 0);
823 CERROR("5e: process with plain_print_cb failed: %d\n", rc);
826 if (plain_counter != 6) {
827 CERROR("5e: found %d records\n", plain_counter);
828 GOTO(out, rc = -EINVAL);
831 CWARN("5f: print plain log entries reversely.. expect 6\n");
833 rc = llog_cat_reverse_process(env, llh, plain_print_cb, "foobar");
835 CERROR("5f: reversely process with plain_print_cb failed: "
839 if (plain_counter != 6) {
840 CERROR("5f: found %d records\n", plain_counter);
841 GOTO(out, rc = -EINVAL);
845 CWARN("5g: close re-opened catalog\n");
846 rc2 = llog_cat_close(env, llh);
848 CERROR("5g: close log %s failed: %d\n", name, rc2);
858 /* Test client api; open log by name and process */
859 static int llog_test_6(const struct lu_env *env, struct obd_device *obd,
862 struct obd_device *mgc_obd;
863 struct llog_ctxt *ctxt;
864 struct obd_uuid *mgs_uuid;
865 struct obd_export *exp;
866 struct obd_uuid uuid = { "LLOG_TEST6_UUID" };
867 struct llog_handle *llh = NULL;
868 struct llog_ctxt *nctxt;
871 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
873 mgs_uuid = &ctxt->loc_exp->exp_obd->obd_uuid;
875 CWARN("6a: re-open log %s using client API\n", name);
876 mgc_obd = class_find_client_obd(mgs_uuid, LUSTRE_MGC_NAME, NULL);
877 if (mgc_obd == NULL) {
878 CERROR("6a: no MGC devices connected to %s found.\n",
880 GOTO(ctxt_release, rc = -ENOENT);
883 rc = obd_connect(NULL, &exp, mgc_obd, &uuid,
884 NULL /* obd_connect_data */, NULL);
885 if (rc != -EALREADY) {
886 CERROR("6a: connect on connected MGC (%s) failed to return"
887 " -EALREADY\n", mgc_obd->obd_name);
890 GOTO(ctxt_release, rc = -EINVAL);
893 nctxt = llog_get_context(mgc_obd, LLOG_CONFIG_REPL_CTXT);
894 rc = llog_open(env, nctxt, &llh, NULL, name, LLOG_OPEN_EXISTS);
896 CERROR("6a: llog_open failed %d\n", rc);
900 rc = llog_init_handle(env, llh, LLOG_F_IS_PLAIN, NULL);
902 CERROR("6a: llog_init_handle failed %d\n", rc);
906 plain_counter = 1; /* llog header is first record */
907 CWARN("6b: process log %s using client API\n", name);
908 rc = llog_process(env, llh, plain_print_cb, NULL, NULL);
910 CERROR("6b: llog_process failed %d\n", rc);
911 CWARN("6b: processed %d records\n", plain_counter);
913 rc = verify_handle("6b", llh, plain_counter);
917 plain_counter = 1; /* llog header is first record */
918 CWARN("6c: process log %s reversely using client API\n", name);
919 rc = llog_reverse_process(env, llh, plain_print_cb, NULL, NULL);
921 CERROR("6c: llog_reverse_process failed %d\n", rc);
922 CWARN("6c: processed %d records\n", plain_counter);
924 rc = verify_handle("6c", llh, plain_counter);
929 rc2 = llog_close(env, llh);
931 CERROR("6: llog_close failed: rc = %d\n", rc2);
936 llog_ctxt_put(nctxt);
943 struct llog_rec_hdr lrh; /* common header */
944 struct llog_logid_rec llr; /* LLOG_LOGID_MAGIC */
945 struct llog_unlink64_rec lur; /* MDS_UNLINK64_REC */
946 struct llog_setattr64_rec lsr64; /* MDS_SETATTR64_REC */
947 struct llog_setattr64_rec_v2 lsr64_v2; /* MDS_SETATTR64_REC */
948 struct llog_size_change_rec lscr; /* OST_SZ_REC */
949 struct llog_changelog_rec lcr; /* CHANGELOG_REC */
950 struct llog_changelog_user_rec lcur; /* CHANGELOG_USER_REC */
951 struct llog_gen_rec lgr; /* LLOG_GEN_REC */
954 static int test_7_print_cb(const struct lu_env *env, struct llog_handle *llh,
955 struct llog_rec_hdr *rec, void *data)
957 struct lu_fid fid = {0};
959 logid_to_fid(&llh->lgh_id, &fid);
961 CDEBUG(D_OTHER, "record type %#x at index %d in log "DFID"\n",
962 rec->lrh_type, rec->lrh_index, PFID(&fid));
968 static int test_7_cancel_cb(const struct lu_env *env, struct llog_handle *llh,
969 struct llog_rec_hdr *rec, void *data)
972 /* test LLOG_DEL_RECORD is working */
973 return LLOG_DEL_RECORD;
976 static int llog_test_7_sub(const struct lu_env *env, struct llog_ctxt *ctxt)
978 struct llog_handle *llh;
979 int rc = 0, i, process_count;
984 rc = llog_open_create(env, ctxt, &llh, NULL, NULL);
986 CERROR("7_sub: create log failed\n");
990 rc = llog_init_handle(env, llh,
991 LLOG_F_IS_PLAIN | LLOG_F_ZAP_WHEN_EMPTY,
994 CERROR("7_sub: can't init llog handle: %d\n", rc);
997 for (i = 0; i < LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr); i++) {
998 rc = llog_write(env, llh, &llog_records.lrh, LLOG_NEXT_IDX);
1001 } else if (rc < 0) {
1002 CERROR("7_sub: write recs failed at #%d: %d\n",
1004 GOTO(out_close, rc);
1008 if (rc != -ENOSPC) {
1009 CWARN("7_sub: write record more than BITMAP size!\n");
1010 GOTO(out_close, rc = -EINVAL);
1013 rc = verify_handle("7_sub", llh, num_recs + 1);
1015 CERROR("7_sub: verify handle failed: %d\n", rc);
1016 GOTO(out_close, rc);
1018 if (num_recs < LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr) - 1)
1019 CWARN("7_sub: records are not aligned, written %d from %u\n",
1020 num_recs, LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr) - 1);
1023 rc = llog_process(env, llh, test_7_print_cb, "test 7", NULL);
1025 CERROR("7_sub: llog process failed: %d\n", rc);
1026 GOTO(out_close, rc);
1028 process_count = plain_counter;
1029 if (process_count != num_recs) {
1030 CERROR("7_sub: processed %d records from %d total\n",
1031 process_count, num_recs);
1032 GOTO(out_close, rc = -EINVAL);
1036 rc = llog_reverse_process(env, llh, test_7_cancel_cb, "test 7", NULL);
1037 if (rc && rc != LLOG_DEL_PLAIN) {
1038 CERROR("7_sub: reverse llog process failed: %d\n", rc);
1039 GOTO(out_close, rc);
1041 if (process_count != plain_counter) {
1042 CERROR("7_sub: Reverse/direct processing found different"
1043 "number of records: %d/%d\n",
1044 plain_counter, process_count);
1045 GOTO(out_close, rc = -EINVAL);
1047 if (llog_exist(llh)) {
1048 CERROR("7_sub: llog exists but should be zapped\n");
1049 GOTO(out_close, rc = -EEXIST);
1052 rc = verify_handle("7_sub", llh, 1);
1055 llog_destroy(env, llh);
1056 llog_close(env, llh);
1060 /* Test all llog records writing and processing */
1061 static int llog_test_7(const struct lu_env *env, struct obd_device *obd)
1063 struct llog_ctxt *ctxt;
1068 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
1070 CWARN("7a: test llog_logid_rec\n");
1071 llog_records.llr.lid_hdr.lrh_len = sizeof(llog_records.llr);
1072 llog_records.llr.lid_tail.lrt_len = sizeof(llog_records.llr);
1073 llog_records.llr.lid_hdr.lrh_type = LLOG_LOGID_MAGIC;
1075 rc = llog_test_7_sub(env, ctxt);
1077 CERROR("7a: llog_logid_rec test failed\n");
1081 CWARN("7b: test llog_unlink64_rec\n");
1082 llog_records.lur.lur_hdr.lrh_len = sizeof(llog_records.lur);
1083 llog_records.lur.lur_tail.lrt_len = sizeof(llog_records.lur);
1084 llog_records.lur.lur_hdr.lrh_type = MDS_UNLINK64_REC;
1086 rc = llog_test_7_sub(env, ctxt);
1088 CERROR("7b: llog_unlink_rec test failed\n");
1092 CWARN("7c: test llog_setattr64_rec\n");
1093 llog_records.lsr64.lsr_hdr.lrh_len = sizeof(llog_records.lsr64);
1094 llog_records.lsr64.lsr_tail.lrt_len = sizeof(llog_records.lsr64);
1095 llog_records.lsr64.lsr_hdr.lrh_type = MDS_SETATTR64_REC;
1097 rc = llog_test_7_sub(env, ctxt);
1099 CERROR("7c: llog_setattr64_rec test failed\n");
1103 CWARN("7d: test llog_size_change_rec\n");
1104 llog_records.lscr.lsc_hdr.lrh_len = sizeof(llog_records.lscr);
1105 llog_records.lscr.lsc_tail.lrt_len = sizeof(llog_records.lscr);
1106 llog_records.lscr.lsc_hdr.lrh_type = OST_SZ_REC;
1108 rc = llog_test_7_sub(env, ctxt);
1110 CERROR("7d: llog_size_change_rec test failed\n");
1114 CWARN("7e: test llog_changelog_rec\n");
1115 /* Direct access to cr_do_not_use: peculiar case for this test */
1116 llog_records.lcr.cr_hdr.lrh_len = sizeof(llog_records.lcr);
1117 llog_records.lcr.cr_do_not_use.lrt_len = sizeof(llog_records.lcr);
1118 llog_records.lcr.cr_hdr.lrh_type = CHANGELOG_REC;
1120 rc = llog_test_7_sub(env, ctxt);
1122 CERROR("7e: llog_changelog_rec test failed\n");
1126 CWARN("7f: test llog_changelog_user_rec\n");
1127 llog_records.lcur.cur_hdr.lrh_len = sizeof(llog_records.lcur);
1128 llog_records.lcur.cur_tail.lrt_len = sizeof(llog_records.lcur);
1129 llog_records.lcur.cur_hdr.lrh_type = CHANGELOG_USER_REC;
1131 rc = llog_test_7_sub(env, ctxt);
1133 CERROR("7f: llog_changelog_user_rec test failed\n");
1137 CWARN("7g: test llog_gen_rec\n");
1138 llog_records.lgr.lgr_hdr.lrh_len = sizeof(llog_records.lgr);
1139 llog_records.lgr.lgr_tail.lrt_len = sizeof(llog_records.lgr);
1140 llog_records.lgr.lgr_hdr.lrh_type = LLOG_GEN_REC;
1142 rc = llog_test_7_sub(env, ctxt);
1144 CERROR("7g: llog_size_change_rec test failed\n");
1148 CWARN("7h: test llog_setattr64_rec_v2\n");
1149 llog_records.lsr64.lsr_hdr.lrh_len = sizeof(llog_records.lsr64_v2);
1150 llog_records.lsr64.lsr_tail.lrt_len = sizeof(llog_records.lsr64_v2);
1151 llog_records.lsr64.lsr_hdr.lrh_type = MDS_SETATTR64_REC;
1153 rc = llog_test_7_sub(env, ctxt);
1155 CERROR("7h: llog_setattr64_rec_v2 test failed\n");
1159 llog_ctxt_put(ctxt);
1163 static int llog_truncate(const struct lu_env *env, struct dt_object *o)
1167 struct dt_device *d;
1172 d = lu2dt_dev(o->do_lu.lo_dev);
1175 rc = dt_attr_get(env, o, &la);
1179 CDEBUG(D_OTHER, "original size %llu\n", la.la_size);
1180 rc = sizeof(struct llog_log_hdr) + sizeof(struct llog_mini_rec);
1181 if (la.la_size < rc) {
1182 CERROR("too small llog: %llu\n", la.la_size);
1186 /* drop 2 records */
1187 la.la_size = la.la_size - (sizeof(struct llog_mini_rec) * 2);
1188 la.la_valid = LA_SIZE;
1190 th = dt_trans_create(env, d);
1192 RETURN(PTR_ERR(th));
1194 rc = dt_declare_attr_set(env, o, &la, th);
1198 rc = dt_declare_punch(env, o, la.la_size, OBD_OBJECT_EOF, th);
1200 rc = dt_trans_start_local(env, d, th);
1204 rc = dt_punch(env, o, la.la_size, OBD_OBJECT_EOF, th);
1208 rc = dt_attr_set(env, o, &la, th);
1213 dt_trans_stop(env, d, th);
1218 static int test_8_cb(const struct lu_env *env, struct llog_handle *llh,
1219 struct llog_rec_hdr *rec, void *data)
1225 static int llog_test_8(const struct lu_env *env, struct obd_device *obd)
1227 struct llog_handle *llh = NULL;
1231 struct llog_mini_rec lmr;
1232 struct llog_ctxt *ctxt;
1233 struct dt_object *obj = NULL;
1237 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
1240 lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
1241 lmr.lmr_hdr.lrh_type = 0xf00f00;
1243 CWARN("8a: fill the first plain llog\n");
1244 rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS);
1246 CERROR("8a: llog_create with logid failed: %d\n", rc);
1250 rc = llog_init_handle(env, llh, LLOG_F_IS_CAT, &uuid);
1252 CERROR("8a: can't init llog handle: %d\n", rc);
1257 rc = llog_cat_process(env, llh, test_8_cb, "foobar", 0, 0);
1259 CERROR("5a: process with test_8_cb failed: %d\n", rc);
1262 orig_counter = plain_counter;
1264 for (i = 0; i < 100; i++) {
1265 rc = llog_cat_add(env, llh, &lmr.lmr_hdr, NULL);
1267 CERROR("5a: add record failed\n");
1272 /* grab the current plain llog, we'll corrupt it later */
1273 obj = llh->u.chd.chd_current_log->lgh_obj;
1275 lu_object_get(&obj->do_lu);
1276 CWARN("8a: pin llog "DFID"\n", PFID(lu_object_fid(&obj->do_lu)));
1278 rc2 = llog_cat_close(env, llh);
1280 CERROR("8a: close log %s failed: %d\n", name, rc2);
1286 CWARN("8b: fill the second plain llog\n");
1287 rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS);
1289 CERROR("8b: llog_create with logid failed: %d\n", rc);
1293 rc = llog_init_handle(env, llh, LLOG_F_IS_CAT, &uuid);
1295 CERROR("8b: can't init llog handle: %d\n", rc);
1299 for (i = 0; i < 100; i++) {
1300 rc = llog_cat_add(env, llh, &lmr.lmr_hdr, NULL);
1302 CERROR("8b: add record failed\n");
1306 CWARN("8b: second llog "DFID"\n",
1307 PFID(lu_object_fid(&llh->u.chd.chd_current_log->lgh_obj->do_lu)));
1309 rc2 = llog_cat_close(env, llh);
1311 CERROR("8b: close log %s failed: %d\n", name, rc2);
1317 CWARN("8c: drop two records from the first plain llog\n");
1318 llog_truncate(env, obj);
1320 CWARN("8d: count survived records\n");
1321 rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS);
1323 CERROR("8d: llog_create with logid failed: %d\n", rc);
1327 rc = llog_init_handle(env, llh, LLOG_F_IS_CAT, &uuid);
1329 CERROR("8d: can't init llog handle: %d\n", rc);
1334 rc = llog_cat_process(env, llh, test_8_cb, "foobar", 0, 0);
1336 CERROR("8d: process with test_8_cb failed: %d\n", rc);
1340 if (orig_counter + 200 - 2 != plain_counter) {
1341 CERROR("found %d records (expected %d)\n", plain_counter,
1342 orig_counter + 200 - 2);
1347 CWARN("8d: close re-opened catalog\n");
1348 rc2 = llog_cat_close(env, llh);
1350 CERROR("8d: close log %s failed: %d\n", name, rc2);
1355 llog_ctxt_put(ctxt);
1358 dt_object_put(env, obj);
1363 static int llog_test_9_sub(const struct lu_env *env, struct llog_ctxt *ctxt)
1365 struct llog_handle *llh;
1371 rc = llog_open_create(env, ctxt, &llh, NULL, NULL);
1373 CERROR("9_sub: create log failed\n");
1377 rc = llog_init_handle(env, llh,
1378 LLOG_F_IS_PLAIN | LLOG_F_ZAP_WHEN_EMPTY,
1381 CERROR("9_sub: can't init llog handle: %d\n", rc);
1382 GOTO(out_close, rc);
1385 logid_to_fid(&llh->lgh_id, &fid);
1386 fid_to_logid(&fid, &llog_records.llr.lid_id);
1387 rc = llog_write(env, llh, &llog_records.lrh, LLOG_NEXT_IDX);
1389 CERROR("9_sub: write recs failed at #1: %d\n", rc);
1390 GOTO(out_close, rc);
1392 CWARN("9_sub: record type %x in log "DFID_NOBRACE"\n",
1393 llog_records.lrh.lrh_type, PFID(&fid));
1395 llog_close(env, llh);
1399 /* Prepare different types of llog records for llog_reader test*/
1400 static int llog_test_9(const struct lu_env *env, struct obd_device *obd)
1402 struct llog_ctxt *ctxt;
1407 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
1409 CWARN("9a: test llog_logid_rec\n");
1410 llog_records.llr.lid_hdr.lrh_len = sizeof(llog_records.llr);
1411 llog_records.llr.lid_tail.lrt_len = sizeof(llog_records.llr);
1412 llog_records.llr.lid_hdr.lrh_type = LLOG_LOGID_MAGIC;
1414 rc = llog_test_9_sub(env, ctxt);
1416 CERROR("9a: llog_logid_rec test failed\n");
1420 CWARN("9b: test llog_obd_cfg_rec\n");
1421 llog_records.lscr.lsc_hdr.lrh_len = sizeof(llog_records.lscr);
1422 llog_records.lscr.lsc_tail.lrt_len = sizeof(llog_records.lscr);
1423 llog_records.lscr.lsc_hdr.lrh_type = OBD_CFG_REC;
1425 rc = llog_test_9_sub(env, ctxt);
1427 CERROR("9b: llog_obd_cfg_rec test failed\n");
1431 CWARN("9c: test llog_changelog_rec\n");
1432 /* Direct access to cr_do_not_use: peculiar case for this test */
1433 llog_records.lcr.cr_hdr.lrh_len = sizeof(llog_records.lcr);
1434 llog_records.lcr.cr_do_not_use.lrt_len = sizeof(llog_records.lcr);
1435 llog_records.lcr.cr_hdr.lrh_type = CHANGELOG_REC;
1437 rc = llog_test_9_sub(env, ctxt);
1439 CERROR("9c: llog_changelog_rec test failed\n");
1443 CWARN("9d: test llog_changelog_user_rec\n");
1444 llog_records.lcur.cur_hdr.lrh_len = sizeof(llog_records.lcur);
1445 llog_records.lcur.cur_tail.lrt_len = sizeof(llog_records.lcur);
1446 llog_records.lcur.cur_hdr.lrh_type = CHANGELOG_USER_REC;
1448 rc = llog_test_9_sub(env, ctxt);
1450 CERROR("9d: llog_changelog_user_rec test failed\n");
1455 llog_ctxt_put(ctxt);
1459 struct llog_process_info {
1460 struct llog_handle *lpi_loghandle;
1465 struct completion lpi_completion;
1466 const struct lu_env *lpi_env;
1467 struct task_struct *lpi_reftask;
1471 static int llog_test_process_thread(void *arg)
1473 struct llog_process_info *lpi = arg;
1475 llog_process(NULL, lpi->lpi_loghandle, lpi->lpi_cb, lpi->lpi_cbdata,
1478 complete(&lpi->lpi_completion);
1483 static int cat_check_old_cb(const struct lu_env *env, struct llog_handle *llh,
1484 struct llog_rec_hdr *rec, void *data)
1486 struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
1487 struct lu_fid fid = {0};
1488 struct lu_fid *prev_fid = data;
1490 if (rec->lrh_type != LLOG_LOGID_MAGIC) {
1491 CERROR("invalid record in catalog\n");
1495 logid_to_fid(&lir->lid_id, &fid);
1497 CWARN("seeing record at index %d - "DFID" in log "DFID"\n",
1498 rec->lrh_index, PFID(&fid),
1499 PFID(lu_object_fid(&llh->lgh_obj->do_lu)));
1501 if (prev_fid->f_oid > fid.f_oid) {
1502 CWARN("processing old record, fail\n");
1503 prev_fid->f_oid = 0xbad;
1504 RETURN(LLOG_PROC_BREAK);
1507 if (prev_fid->f_oid == 0)
1508 cfs_fail_loc = OBD_FAIL_LLOG_PROCESS_TIMEOUT;
1515 /* test catalog wrap around */
1516 static int llog_test_10(const struct lu_env *env, struct obd_device *obd)
1518 struct llog_handle *cath;
1520 int rc, rc2, i, enospc, eok;
1521 struct llog_mini_rec lmr;
1522 struct llog_ctxt *ctxt;
1525 struct dt_device *dt;
1529 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
1532 lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
1533 lmr.lmr_hdr.lrh_type = 0xf00f00;
1535 snprintf(name, sizeof(name), "%x", llog_test_rand + 2);
1536 CWARN("10a: create a catalog log with name: %s\n", name);
1537 rc = llog_open_create(env, ctxt, &cath, NULL, name);
1539 CERROR("10a: llog_create with name %s failed: %d\n", name, rc);
1540 GOTO(ctxt_release, rc);
1542 rc = llog_init_handle(env, cath, LLOG_F_IS_CAT, &uuid);
1544 CERROR("10a: can't init llog handle: %d\n", rc);
1548 cat_logid = cath->lgh_id;
1549 dt = lu2dt_dev(cath->lgh_obj->do_lu.lo_dev);
1551 /* sync device to commit all recent LLOG changes to disk and avoid
1552 * to consume a huge space with delayed journal commit callbacks
1553 * particularly on low memory nodes or VMs */
1554 rc = dt_sync(env, dt);
1556 CERROR("10c: sync failed: %d\n", rc);
1560 /* force catalog wrap for 5th plain LLOG */
1561 cfs_fail_loc = CFS_FAIL_SKIP|OBD_FAIL_CAT_RECORDS;
1564 CWARN("10b: write %d log records\n", LLOG_TEST_RECNUM);
1565 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
1566 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
1568 CERROR("10b: write %d records failed at #%d: %d\n",
1569 LLOG_TEST_RECNUM, i + 1, rc);
1574 /* make sure 2 new plain llog appears in catalog (+1 with hdr) */
1575 rc = verify_handle("10b", cath, 3);
1579 /* sync device to commit all recent LLOG changes to disk and avoid
1580 * to consume a huge space with delayed journal commit callbacks
1581 * particularly on low memory nodes or VMs */
1582 rc = dt_sync(env, dt);
1584 CERROR("10b: sync failed: %d\n", rc);
1588 CWARN("10c: write %d more log records\n", 2 * LLOG_TEST_RECNUM);
1589 for (i = 0; i < 2 * LLOG_TEST_RECNUM; i++) {
1590 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
1592 CERROR("10c: write %d records failed at #%d: %d\n",
1593 2*LLOG_TEST_RECNUM, i + 1, rc);
1598 /* make sure 2 new plain llog appears in catalog (+1 with hdr) */
1599 rc = verify_handle("10c", cath, 5);
1603 /* sync device to commit all recent LLOG changes to disk and avoid
1604 * to consume a huge space with delayed journal commit callbacks
1605 * particularly on low memory nodes or VMs */
1606 rc = dt_sync(env, dt);
1608 CERROR("10c: sync failed: %d\n", rc);
1612 /* fill last allocated plain LLOG and reach -ENOSPC condition
1613 * because no slot available in Catalog */
1616 CWARN("10c: write %d more log records\n", LLOG_TEST_RECNUM);
1617 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
1618 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
1619 if (rc && rc != -ENOSPC) {
1620 CERROR("10c: write %d records failed at #%d: %d\n",
1621 LLOG_TEST_RECNUM, i + 1, rc);
1624 /* after last added plain LLOG has filled up, all new
1625 * records add should fail with -ENOSPC */
1626 if (rc == -ENOSPC) {
1634 if ((enospc == 0) && (enospc+eok != LLOG_TEST_RECNUM)) {
1635 CERROR("10c: all last records adds should have failed with"
1637 GOTO(out, rc = -EINVAL);
1640 CWARN("10c: wrote %d records then %d failed with ENOSPC\n", eok,
1643 /* make sure no new record in Catalog */
1644 rc = verify_handle("10c", cath, 5);
1648 /* Catalog should have reached its max size for test */
1649 rc = dt_attr_get(env, cath->lgh_obj, &la);
1651 CERROR("10c: failed to get catalog attrs: %d\n", rc);
1654 cat_max_size = la.la_size;
1656 /* cancel all 1st plain llog records to empty it, this will also cause
1657 * its catalog entry to be freed for next forced wrap in 10e */
1658 CWARN("10d: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
1660 rc = llog_cat_process(env, cath, llog_cancel_rec_cb, "foobar", 0, 0);
1661 if (rc != -LLOG_EEMPTY) {
1662 CERROR("10d: process with llog_cancel_rec_cb failed: %d\n", rc);
1663 /* need to indicate error if for any reason LLOG_TEST_RECNUM is
1670 CWARN("10d: print the catalog entries.. we expect 3\n");
1672 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1674 CERROR("10d: process with cat_print_cb failed: %d\n", rc);
1677 if (cat_counter != 3) {
1678 CERROR("10d: %d entries in catalog\n", cat_counter);
1679 GOTO(out, rc = -EINVAL);
1682 /* verify one down in catalog (+1 with hdr) */
1683 rc = verify_handle("10d", cath, 4);
1687 /* sync device to commit all recent LLOG changes to disk and avoid
1688 * to consume a huge space with delayed journal commit callbacks
1689 * particularly on low memory nodes or VMs */
1690 rc = dt_sync(env, dt);
1692 CERROR("10d: sync failed: %d\n", rc);
1698 CWARN("10e: write %d more log records\n", LLOG_TEST_RECNUM);
1699 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
1700 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
1701 if (rc && rc != -ENOSPC) {
1702 CERROR("10e: write %d records failed at #%d: %d\n",
1703 LLOG_TEST_RECNUM, i + 1, rc);
1706 /* after last added plain LLOG has filled up, all new
1707 * records add should fail with -ENOSPC */
1708 if (rc == -ENOSPC) {
1716 if ((enospc == 0) && (enospc+eok != LLOG_TEST_RECNUM)) {
1717 CERROR("10e: all last records adds should have failed with"
1719 GOTO(out, rc = -EINVAL);
1722 CWARN("10e: wrote %d records then %d failed with ENOSPC\n", eok,
1725 CWARN("10e: print the catalog entries.. we expect 4\n");
1727 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1729 CERROR("10d: process with cat_print_cb failed: %d\n", rc);
1732 if (cat_counter != 4) {
1733 CERROR("10d: %d entries in catalog\n", cat_counter);
1734 GOTO(out, rc = -EINVAL);
1737 /* make sure 1 new plain llog appears in catalog (+1 with hdr) */
1738 rc = verify_handle("10e", cath, 5);
1742 /* verify catalog has wrap around */
1743 if (cath->lgh_last_idx > cath->lgh_hdr->llh_cat_idx) {
1744 CERROR("10e: catalog failed to wrap around\n");
1745 GOTO(out, rc = -EINVAL);
1748 rc = dt_attr_get(env, cath->lgh_obj, &la);
1750 CERROR("10e: failed to get catalog attrs: %d\n", rc);
1754 if (la.la_size != cat_max_size) {
1755 CERROR("10e: catalog size has changed after it has wrap around,"
1756 " current size = %llu, expected size = %llu\n",
1757 la.la_size, cat_max_size);
1758 GOTO(out, rc = -EINVAL);
1760 CWARN("10e: catalog successfully wrap around, last_idx %d, first %d\n",
1761 cath->lgh_last_idx, cath->lgh_hdr->llh_cat_idx);
1763 /* sync device to commit all recent LLOG changes to disk and avoid
1764 * to consume a huge space with delayed journal commit callbacks
1765 * particularly on low memory nodes or VMs */
1766 rc = dt_sync(env, dt);
1768 CERROR("10e: sync failed: %d\n", rc);
1772 /* cancel more records to free one more slot in Catalog
1773 * see if it is re-allocated when adding more records */
1774 CWARN("10f: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
1776 rc = llog_cat_process(env, cath, llog_cancel_rec_cb, "foobar", 0, 0);
1777 if (rc != -LLOG_EEMPTY) {
1778 CERROR("10f: process with llog_cancel_rec_cb failed: %d\n", rc);
1779 /* need to indicate error if for any reason LLOG_TEST_RECNUM is
1786 CWARN("10f: print the catalog entries.. we expect 3\n");
1788 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1790 CERROR("10f: process with cat_print_cb failed: %d\n", rc);
1793 if (cat_counter != 3) {
1794 CERROR("10f: %d entries in catalog\n", cat_counter);
1795 GOTO(out, rc = -EINVAL);
1798 /* verify one down in catalog (+1 with hdr) */
1799 rc = verify_handle("10f", cath, 4);
1803 /* sync device to commit all recent LLOG changes to disk and avoid
1804 * to consume a huge space with delayed journal commit callbacks
1805 * particularly on low memory nodes or VMs */
1806 rc = dt_sync(env, dt);
1808 CERROR("10f: sync failed: %d\n", rc);
1814 CWARN("10f: write %d more log records\n", LLOG_TEST_RECNUM);
1815 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
1816 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
1817 if (rc && rc != -ENOSPC) {
1818 CERROR("10f: write %d records failed at #%d: %d\n",
1819 LLOG_TEST_RECNUM, i + 1, rc);
1822 /* after last added plain LLOG has filled up, all new
1823 * records add should fail with -ENOSPC */
1824 if (rc == -ENOSPC) {
1832 if ((enospc == 0) && (enospc+eok != LLOG_TEST_RECNUM)) {
1833 CERROR("10f: all last records adds should have failed with"
1835 GOTO(out, rc = -EINVAL);
1838 CWARN("10f: wrote %d records then %d failed with ENOSPC\n", eok,
1841 /* make sure 1 new plain llog appears in catalog (+1 with hdr) */
1842 rc = verify_handle("10f", cath, 5);
1846 /* verify lgh_last_idx = llh_cat_idx = 2 now */
1847 if (cath->lgh_last_idx != cath->lgh_hdr->llh_cat_idx ||
1848 cath->lgh_last_idx != 2) {
1849 CERROR("10f: lgh_last_idx = %d vs 2, llh_cat_idx = %d vs 2\n",
1850 cath->lgh_last_idx, cath->lgh_hdr->llh_cat_idx);
1851 GOTO(out, rc = -EINVAL);
1854 rc = dt_attr_get(env, cath->lgh_obj, &la);
1856 CERROR("10f: failed to get catalog attrs: %d\n", rc);
1860 if (la.la_size != cat_max_size) {
1861 CERROR("10f: catalog size has changed after it has wrap around,"
1862 " current size = %llu, expected size = %llu\n",
1863 la.la_size, cat_max_size);
1864 GOTO(out, rc = -EINVAL);
1867 /* sync device to commit all recent LLOG changes to disk and avoid
1868 * to consume a huge space with delayed journal commit callbacks
1869 * particularly on low memory nodes or VMs */
1870 rc = dt_sync(env, dt);
1872 CERROR("10f: sync failed: %d\n", rc);
1876 /* will llh_cat_idx also successfully wrap ? */
1878 /* cancel all records in the plain LLOGs referenced by 2 last indexes in
1881 /* cancel more records to free one more slot in Catalog */
1882 CWARN("10g: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
1884 rc = llog_cat_process(env, cath, llog_cancel_rec_cb, "foobar", 0, 0);
1885 if (rc != -LLOG_EEMPTY) {
1886 CERROR("10g: process with llog_cancel_rec_cb failed: %d\n", rc);
1887 /* need to indicate error if for any reason LLOG_TEST_RECNUM is
1894 CWARN("10g: print the catalog entries.. we expect 3\n");
1896 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1898 CERROR("10g: process with cat_print_cb failed: %d\n", rc);
1901 if (cat_counter != 3) {
1902 CERROR("10g: %d entries in catalog\n", cat_counter);
1903 GOTO(out, rc = -EINVAL);
1906 /* verify one down in catalog (+1 with hdr) */
1907 rc = verify_handle("10g", cath, 4);
1911 /* sync device to commit all recent LLOG changes to disk and avoid
1912 * to consume a huge space with delayed journal commit callbacks
1913 * particularly on low memory nodes or VMs */
1914 rc = dt_sync(env, dt);
1916 CERROR("10g: sync failed: %d\n", rc);
1920 /* cancel more records to free one more slot in Catalog */
1921 CWARN("10g: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
1923 rc = llog_cat_process(env, cath, llog_cancel_rec_cb, "foobar", 0, 0);
1924 if (rc != -LLOG_EEMPTY) {
1925 CERROR("10g: process with llog_cancel_rec_cb failed: %d\n", rc);
1926 /* need to indicate error if for any reason LLOG_TEST_RECNUM is
1933 CWARN("10g: print the catalog entries.. we expect 2\n");
1935 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1937 CERROR("10g: process with cat_print_cb failed: %d\n", rc);
1940 if (cat_counter != 2) {
1941 CERROR("10g: %d entries in catalog\n", cat_counter);
1942 GOTO(out, rc = -EINVAL);
1945 /* verify one down in catalog (+1 with hdr) */
1946 rc = verify_handle("10g", cath, 3);
1950 /* verify lgh_last_idx = 2 and llh_cat_idx = 0 now */
1951 if (cath->lgh_hdr->llh_cat_idx != 0 ||
1952 cath->lgh_last_idx != 2) {
1953 CERROR("10g: lgh_last_idx = %d vs 2, llh_cat_idx = %d vs 0\n",
1954 cath->lgh_last_idx, cath->lgh_hdr->llh_cat_idx);
1955 GOTO(out, rc = -EINVAL);
1958 /* sync device to commit all recent LLOG changes to disk and avoid
1959 * to consume a huge space with delayed journal commit callbacks
1960 * particularly on low memory nodes or VMs */
1961 rc = dt_sync(env, dt);
1963 CERROR("10g: sync failed: %d\n", rc);
1967 /* cancel more records to free one more slot in Catalog */
1968 CWARN("10g: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
1970 rc = llog_cat_process(env, cath, llog_cancel_rec_cb, "foobar", 0, 0);
1971 if (rc != -LLOG_EEMPTY) {
1972 CERROR("10g: process with llog_cancel_rec_cb failed: %d\n", rc);
1973 /* need to indicate error if for any reason LLOG_TEST_RECNUM is
1980 CWARN("10g: print the catalog entries.. we expect 1\n");
1982 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1984 CERROR("10g: process with cat_print_cb failed: %d\n", rc);
1987 if (cat_counter != 1) {
1988 CERROR("10g: %d entries in catalog\n", cat_counter);
1989 GOTO(out, rc = -EINVAL);
1992 /* verify one down in catalog (+1 with hdr) */
1993 rc = verify_handle("10g", cath, 2);
1997 /* verify lgh_last_idx = 2 and llh_cat_idx = 1 now */
1998 if (cath->lgh_hdr->llh_cat_idx != 1 ||
1999 cath->lgh_last_idx != 2) {
2000 CERROR("10g: lgh_last_idx = %d vs 2, llh_cat_idx = %d vs 1\n",
2001 cath->lgh_last_idx, cath->lgh_hdr->llh_cat_idx);
2002 GOTO(out, rc = -EINVAL);
2005 CWARN("10g: llh_cat_idx has also successfully wrapped!\n");
2007 /* catalog has only one valid entry other slots has outdated
2008 * records. Trying to race the llog_thread_process with llog_add
2009 * llog_thread_process read buffer and loop record on it.
2010 * llog_add adds a record and mark a record in bitmap.
2011 * llog_thread_process process record with old data. */
2013 struct llog_process_info lpi;
2014 struct lu_fid test_fid = {0};
2016 lpi.lpi_loghandle = cath;
2017 lpi.lpi_cb = cat_check_old_cb;
2018 lpi.lpi_catdata = NULL;
2019 lpi.lpi_cbdata = &test_fid;
2020 init_completion(&lpi.lpi_completion);
2022 kthread_run(llog_test_process_thread, &lpi, "llog_test_process_thread");
2024 msleep(1 * MSEC_PER_SEC);
2027 CWARN("10h: write %d more log records\n", LLOG_TEST_RECNUM);
2028 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
2029 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
2030 if (rc && rc != -ENOSPC) {
2031 CERROR("10h: write %d records failed at #%d: %d\n",
2032 LLOG_TEST_RECNUM, i + 1, rc);
2035 /* after last added plain LLOG has filled up, all new
2036 * records add should fail with -ENOSPC */
2037 if (rc == -ENOSPC) {
2045 if ((enospc == 0) && (enospc+eok != LLOG_TEST_RECNUM)) {
2046 CERROR("10h: all last records adds should have failed with"
2048 GOTO(out, rc = -EINVAL);
2051 CWARN("10h: wrote %d records then %d failed with ENOSPC\n", eok,
2054 wait_for_completion(&lpi.lpi_completion);
2056 if (test_fid.f_oid == 0xbad) {
2057 CERROR("10h: race happened, old record was processed\n");
2058 GOTO(out, rc = -EINVAL);
2065 CWARN("10: put newly-created catalog\n");
2066 rc2 = llog_cat_close(env, cath);
2068 CERROR("10: close log %s failed: %d\n", name, rc2);
2073 llog_ctxt_put(ctxt);
2077 /* -------------------------------------------------------------------------
2078 * Tests above, boring obd functions below
2079 * ------------------------------------------------------------------------- */
2080 static int llog_run_tests(const struct lu_env *env, struct obd_device *obd)
2082 struct llog_handle *llh = NULL;
2083 struct llog_ctxt *ctxt;
2088 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
2091 sprintf(name, "%x", llog_test_rand);
2093 rc = llog_test_1(env, obd, name);
2095 GOTO(cleanup_ctxt, rc);
2097 rc = llog_test_2(env, obd, name, &llh);
2099 GOTO(cleanup_ctxt, rc);
2101 rc = llog_test_3(env, obd, llh);
2105 rc = llog_test_4(env, obd);
2109 rc = llog_test_5(env, obd);
2113 rc = llog_test_6(env, obd, name);
2117 rc = llog_test_7(env, obd);
2121 rc = llog_test_8(env, obd);
2125 rc = llog_test_9(env, obd);
2129 rc = llog_test_10(env, obd);
2134 err = llog_destroy(env, llh);
2136 CERROR("cleanup: llog_destroy failed: %d\n", err);
2137 llog_close(env, llh);
2141 llog_ctxt_put(ctxt);
2145 static int llog_test_cleanup(struct obd_device *obd)
2147 struct obd_device *tgt;
2153 rc = lu_env_init(&env, LCT_LOCAL | LCT_MG_THREAD);
2157 tgt = obd->obd_lvfs_ctxt.dt->dd_lu_dev.ld_obd;
2158 rc = llog_cleanup(&env, llog_get_context(tgt, LLOG_TEST_ORIG_CTXT));
2160 CERROR("failed to llog_test_llog_finish: %d\n", rc);
2165 static int llog_test_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
2167 struct obd_device *tgt;
2168 struct llog_ctxt *ctxt;
2169 struct dt_object *o;
2171 struct lu_context test_session;
2176 if (lcfg->lcfg_bufcount < 2) {
2177 CERROR("requires a TARGET OBD name\n");
2181 if (lcfg->lcfg_buflens[1] < 1) {
2182 CERROR("requires a TARGET OBD name\n");
2187 tgt = class_name2obd(lustre_cfg_string(lcfg, 1));
2188 if (!tgt || !tgt->obd_attached || !tgt->obd_set_up) {
2189 CERROR("target device not attached or not set up (%s)\n",
2190 lustre_cfg_string(lcfg, 1));
2194 rc = lu_env_init(&env, LCT_LOCAL | LCT_MG_THREAD);
2198 rc = lu_context_init(&test_session, LCT_SERVER_SESSION);
2200 GOTO(cleanup_env, rc);
2201 test_session.lc_thread = (struct ptlrpc_thread *)current;
2202 lu_context_enter(&test_session);
2203 env.le_ses = &test_session;
2205 CWARN("Setup llog-test device over %s device\n",
2206 lustre_cfg_string(lcfg, 1));
2208 OBD_SET_CTXT_MAGIC(&obd->obd_lvfs_ctxt);
2209 obd->obd_lvfs_ctxt.dt = lu2dt_dev(tgt->obd_lu_dev);
2211 rc = llog_setup(&env, tgt, &tgt->obd_olg, LLOG_TEST_ORIG_CTXT, tgt,
2214 GOTO(cleanup_session, rc);
2216 /* use MGS llog dir for tests */
2217 ctxt = llog_get_context(tgt, LLOG_CONFIG_ORIG_CTXT);
2220 llog_ctxt_put(ctxt);
2222 ctxt = llog_get_context(tgt, LLOG_TEST_ORIG_CTXT);
2225 llog_ctxt_put(ctxt);
2227 llog_test_rand = cfs_rand();
2229 rc = llog_run_tests(&env, tgt);
2231 llog_test_cleanup(obd);
2233 lu_context_exit(&test_session);
2234 lu_context_fini(&test_session);
2240 static struct obd_ops llog_obd_ops = {
2241 .o_owner = THIS_MODULE,
2242 .o_setup = llog_test_setup,
2243 .o_cleanup = llog_test_cleanup,
2246 static int __init llog_test_init(void)
2248 return class_register_type(&llog_obd_ops, NULL, false, NULL,
2252 static void __exit llog_test_exit(void)
2254 class_unregister_type("llog_test");
2257 MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
2258 MODULE_DESCRIPTION("Lustre Log test module");
2259 MODULE_VERSION(LUSTRE_VERSION_STRING);
2260 MODULE_LICENSE("GPL");
2262 module_init(llog_test_init);
2263 module_exit(llog_test_exit);