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;
307 * For variable size records the start offset is unknown, trust
308 * the first value and check others are consistent with it.
310 if (test_3_rec_off == 0)
311 test_3_rec_off = lgh->lgh_cur_offset;
313 if (lgh->lgh_cur_offset != test_3_rec_off) {
314 __u64 tmp = lgh->lgh_cur_offset;
316 /* there can be padding record */
317 if ((do_div(tmp, chunk_size) == 0) &&
318 (lgh->lgh_cur_offset - test_3_rec_off <
319 rec->lrh_len + LLOG_MIN_REC_SIZE)) {
320 test_3_rec_off = lgh->lgh_cur_offset;
323 CERROR("Wrong record offset in cur_off: %llu"
324 ", should be %lld (rec len %u)\n",
326 (long long)test_3_rec_off,
330 test_3_rec_off += rec->lrh_len;
333 cur_idx += test_3_paddings;
334 if (cur_idx != rec->lrh_index)
335 CERROR("Record with wrong index was read: %u, expected %u\n",
336 rec->lrh_index, cur_idx);
338 /* modify all records in place */
339 lgr->lgr_gen.conn_cnt = rec->lrh_index;
340 rc = llog_write(env, lgh, rec, rec->lrh_index);
342 CERROR("cb_test_3: cannot modify record while processing\n");
345 * Add new record to the llog at *last_rec position one by one to
346 * check that last block is re-read during processing
348 if (cur_idx == *last_rec || cur_idx == (*last_rec + 1)) {
349 rc = llog_write(env, lgh, rec, LLOG_NEXT_IDX);
351 CERROR("cb_test_3: cannot add new record while "
359 /* Check in-place modifications were done for all records*/
360 static int test3_check_cb(const struct lu_env *env, struct llog_handle *lgh,
361 struct llog_rec_hdr *rec, void *data)
363 struct llog_gen_rec *lgr = (struct llog_gen_rec *)rec;
365 if (lgr->lgr_gen.conn_cnt != rec->lrh_index) {
366 CERROR("cb_test_3: record %u is not modified\n",
374 static int llog_test3_process(const struct lu_env *env,
375 struct llog_handle *lgh,
376 llog_cb_t cb, int start)
378 struct llog_process_cat_data cd;
379 int last_idx; /* new record will be injected here */
382 CWARN("test3: processing records from index %d to the end\n",
384 cd.lpcd_first_idx = start - 1;
385 cd.lpcd_last_idx = 0;
386 test_3_rec_num = test_3_paddings = 0;
387 last_idx = lgh->lgh_last_idx;
388 rc = llog_process(env, lgh, cb, &last_idx, &cd);
391 CWARN("test3: total %u records processed with %u paddings\n",
392 test_3_rec_num, test_3_paddings);
393 return test_3_rec_num;
396 /* Test plain llog functionality */
397 static int llog_test_3(const struct lu_env *env, struct obd_device *obd,
398 struct llog_handle *llh)
401 struct llog_rec_hdr *hdr = (void *)buf;
403 int num_recs = 1; /* 1 for the header */
408 hdr->lrh_len = sizeof(struct llog_gen_rec);
409 hdr->lrh_type = LLOG_GEN_REC;
410 llh->lgh_hdr->llh_size = sizeof(struct llog_gen_rec);
411 llh->lgh_hdr->llh_flags |= LLOG_F_IS_FIXSIZE;
414 * Fill the llog with 64-bytes records, use 1023 records,
415 * so last chunk will be partially full. Don't change this
416 * value until record size is changed.
418 CWARN("3a: write 1023 fixed-size llog records\n");
419 for (i = 0; i < 1023; i++) {
420 rc = llog_write(env, llh, hdr, LLOG_NEXT_IDX);
422 CERROR("3a: write 1023 records failed at #%d: %d\n",
429 rc = verify_handle("3a", llh, num_recs);
434 * Test fixed-size records processing:
435 * - search the needed index
436 * - go through all records from that index
437 * - check all indices are growing monotonically and exist
438 * - modify each record
440 * NB: test3_check_n_add adds two new records while processing
441 * after last record. There were 1023 records created so the last chunk
442 * misses exactly one record. Therefore one of new records will be
443 * the last in the current chunk and second causes the new chunk to be
447 test_3_start_idx = 501;
449 rc = llog_test3_process(env, llh, test3_check_n_add_cb,
454 /* extra record is created during llog_process() */
455 if (rc != expected) {
456 CERROR("3a: process total %d records but expect %d\n",
463 /* test modification in place */
464 rc = llog_test3_process(env, llh, test3_check_cb, test_3_start_idx);
468 if (rc != expected) {
469 CERROR("3a: process total %d records but expect %d\n",
474 CWARN("3b: write 566 variable size llog records\n");
477 * Drop llh_size to 0 to mark llog as variable-size and write
478 * header to make this change permanent.
480 llh->lgh_hdr->llh_flags &= ~LLOG_F_IS_FIXSIZE;
481 llog_write(env, llh, &llh->lgh_hdr->llh_hdr, LLOG_HEADER_IDX);
483 hdr->lrh_type = OBD_CFG_REC;
486 * there are 1025 64-bytes records in llog already,
487 * the last chunk contains single record, i.e. 64 bytes.
488 * Each pair of variable size records is 200 bytes, so
489 * we will have the following distribution per chunks:
490 * block 1: 64 + 80(80/120) + 80 + 48(pad) = 81 iterations
491 * block 2: 80(120/80) + 120 + 72(pad) = 81 itereations
492 * block 3: 80(80/120) + 80 + 112(pad) = 81 iterations
493 * -- the same as block 2 again and so on.
494 * block 7: 80(80/120) = 80 iterations and 192 bytes remain
495 * Total 6 * 81 + 80 = 566 itereations.
496 * Callback will add another 120 bytes in the end of the last chunk
497 * and another 120 bytes will cause padding (72 bytes) plus 120
498 * bytes in the new block.
500 for (i = 0; i < 566; i++) {
506 rc = llog_write(env, llh, hdr, LLOG_NEXT_IDX);
508 CERROR("3b: write 566 records failed at #%d: %d\n",
515 rc = verify_handle("3b", llh, num_recs);
519 test_3_start_idx = 1026;
521 rc = llog_test3_process(env, llh, test3_check_n_add_cb,
526 if (rc != expected) {
527 CERROR("3b: process total %d records but expect %d\n",
534 /* test modification in place */
535 rc = llog_test3_process(env, llh, test3_check_cb, test_3_start_idx);
539 if (rc != expected) {
540 CERROR("3b: process total %d records but expect %d\n",
545 CWARN("3c: write records with variable size until BITMAP_SIZE, "
547 while (num_recs < LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr)) {
548 if ((num_recs % 2) == 0)
553 rc = llog_write(env, llh, hdr, LLOG_NEXT_IDX);
557 CERROR("3c: write recs failed at #%d: %d\n",
565 CWARN("3c: write record more than BITMAP size!\n");
568 CWARN("3c: wrote %d more records before end of llog is reached\n",
571 rc = verify_handle("3c", llh, num_recs);
576 /* Test catalogue additions */
577 static int llog_test_4(const struct lu_env *env, struct obd_device *obd)
579 struct llog_handle *cath;
581 int rc, rc2, i, buflen;
582 struct llog_mini_rec lmr;
583 struct llog_cookie cookie;
584 struct llog_ctxt *ctxt;
587 struct llog_rec_hdr *rec;
591 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
594 lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
595 lmr.lmr_hdr.lrh_type = 0xf00f00;
597 sprintf(name, "%x", llog_test_rand + 1);
598 CWARN("4a: create a catalog log with name: %s\n", name);
599 rc = llog_open_create(env, ctxt, &cath, NULL, name);
601 CERROR("4a: llog_create with name %s failed: %d\n", name, rc);
602 GOTO(ctxt_release, rc);
604 rc = llog_init_handle(env, cath, LLOG_F_IS_CAT, &uuid);
606 CERROR("4a: can't init llog handle: %d\n", rc);
611 cat_logid = cath->lgh_id;
613 CWARN("4b: write 1 record into the catalog\n");
614 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, &cookie);
616 CERROR("4b: write 1 catalog record failed at: %d\n", rc);
620 rc = verify_handle("4b", cath, 2);
624 rc = verify_handle("4b", cath->u.chd.chd_current_log, num_recs);
628 CWARN("4c: cancel 1 log record\n");
629 rc = llog_cat_cancel_records(env, cath, 1, &cookie);
631 CERROR("4c: cancel 1 catalog based record failed: %d\n", rc);
636 rc = verify_handle("4c", cath->u.chd.chd_current_log, num_recs);
640 CWARN("4d: write %d more log records\n", LLOG_TEST_RECNUM);
641 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
642 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
644 CERROR("4d: write %d records failed at #%d: %d\n",
645 LLOG_TEST_RECNUM, i + 1, rc);
651 /* make sure new plain llog appears */
652 rc = verify_handle("4d", cath, 3);
656 CWARN("4e: add 5 large records, one record per block\n");
657 buflen = LLOG_MIN_CHUNK_SIZE;
658 OBD_ALLOC(buf, buflen);
660 GOTO(out, rc = -ENOMEM);
661 for (i = 0; i < 5; i++) {
663 rec->lrh_len = buflen;
664 rec->lrh_type = OBD_CFG_REC;
665 rc = llog_cat_add(env, cath, rec, NULL);
667 CERROR("4e: write 5 records failed at #%d: %d\n",
674 OBD_FREE(buf, buflen);
676 CWARN("4f: put newly-created catalog\n");
677 rc2 = llog_cat_close(env, cath);
679 CERROR("4: close log %s failed: %d\n", name, rc2);
688 static int cat_counter;
690 static int cat_print_cb(const struct lu_env *env, struct llog_handle *llh,
691 struct llog_rec_hdr *rec, void *data)
693 struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
694 struct lu_fid fid = {0};
696 if (rec->lrh_type != LLOG_LOGID_MAGIC) {
697 CERROR("invalid record in catalog\n");
701 logid_to_fid(&lir->lid_id, &fid);
703 CWARN("seeing record at index %d - "DFID" in log "DFID"\n",
704 rec->lrh_index, PFID(&fid),
705 PFID(lu_object_fid(&llh->lgh_obj->do_lu)));
712 static int plain_counter;
714 static int plain_print_cb(const struct lu_env *env, struct llog_handle *llh,
715 struct llog_rec_hdr *rec, void *data)
717 struct lu_fid fid = {0};
719 if (!(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN)) {
720 CERROR("log is not plain\n");
724 logid_to_fid(&llh->lgh_id, &fid);
726 CDEBUG(D_INFO, "seeing record at index %d in log "DFID"\n",
727 rec->lrh_index, PFID(&fid));
734 static int cancel_count;
736 static int llog_cancel_rec_cb(const struct lu_env *env,
737 struct llog_handle *llh,
738 struct llog_rec_hdr *rec, void *data)
740 struct llog_cookie cookie;
742 if (!(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN)) {
743 CERROR("log is not plain\n");
747 cookie.lgc_lgl = llh->lgh_id;
748 cookie.lgc_index = rec->lrh_index;
750 llog_cat_cancel_records(env, llh->u.phd.phd_cat_handle, 1, &cookie);
752 if (cancel_count == LLOG_TEST_RECNUM)
753 RETURN(-LLOG_EEMPTY);
757 /* Test log and catalogue processing */
758 static int llog_test_5(const struct lu_env *env, struct obd_device *obd)
760 struct llog_handle *llh = NULL;
763 struct llog_mini_rec lmr;
764 struct llog_ctxt *ctxt;
768 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
771 lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
772 lmr.lmr_hdr.lrh_type = 0xf00f00;
774 CWARN("5a: re-open catalog by id\n");
775 rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS);
777 CERROR("5a: llog_create with logid failed: %d\n", rc);
781 rc = llog_init_handle(env, llh, LLOG_F_IS_CAT, &uuid);
783 CERROR("5a: can't init llog handle: %d\n", rc);
787 CWARN("5b: print the catalog entries.. we expect 2\n");
789 rc = llog_process(env, llh, cat_print_cb, "test 5", NULL);
791 CERROR("5b: process with cat_print_cb failed: %d\n", rc);
794 if (cat_counter != 2) {
795 CERROR("5b: %d entries in catalog\n", cat_counter);
796 GOTO(out, rc = -EINVAL);
799 CWARN("5c: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
801 rc = llog_cat_process(env, llh, llog_cancel_rec_cb, "foobar", 0, 0);
802 if (rc != -LLOG_EEMPTY) {
803 CERROR("5c: process with llog_cancel_rec_cb failed: %d\n", rc);
807 CWARN("5c: print the catalog entries.. we expect 1\n");
809 rc = llog_process(env, llh, cat_print_cb, "test 5", NULL);
811 CERROR("5c: process with cat_print_cb failed: %d\n", rc);
814 if (cat_counter != 1) {
815 CERROR("5c: %d entries in catalog\n", cat_counter);
816 GOTO(out, rc = -EINVAL);
819 CWARN("5d: add 1 record to the log with many canceled empty pages\n");
820 rc = llog_cat_add(env, llh, &lmr.lmr_hdr, NULL);
822 CERROR("5d: add record to the log with many canceled empty "
827 CWARN("5e: print plain log entries.. expect 6\n");
829 rc = llog_cat_process(env, llh, plain_print_cb, "foobar", 0, 0);
831 CERROR("5e: process with plain_print_cb failed: %d\n", rc);
834 if (plain_counter != 6) {
835 CERROR("5e: found %d records\n", plain_counter);
836 GOTO(out, rc = -EINVAL);
839 CWARN("5f: print plain log entries reversely.. expect 6\n");
841 rc = llog_cat_reverse_process(env, llh, plain_print_cb, "foobar");
843 CERROR("5f: reversely process with plain_print_cb failed: "
847 if (plain_counter != 6) {
848 CERROR("5f: found %d records\n", plain_counter);
849 GOTO(out, rc = -EINVAL);
853 CWARN("5g: close re-opened catalog\n");
854 rc2 = llog_cat_close(env, llh);
856 CERROR("5g: close log %s failed: %d\n", name, rc2);
866 /* Test client api; open log by name and process */
867 static int llog_test_6(const struct lu_env *env, struct obd_device *obd,
870 struct obd_device *mgc_obd;
871 struct llog_ctxt *ctxt;
872 struct obd_uuid *mgs_uuid;
873 struct obd_export *exp;
874 struct obd_uuid uuid = { "LLOG_TEST6_UUID" };
875 struct llog_handle *llh = NULL;
876 struct llog_ctxt *nctxt;
879 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
881 mgs_uuid = &ctxt->loc_exp->exp_obd->obd_uuid;
883 CWARN("6a: re-open log %s using client API\n", name);
884 mgc_obd = class_find_client_obd(mgs_uuid, LUSTRE_MGC_NAME, NULL);
885 if (mgc_obd == NULL) {
886 CERROR("6a: no MGC devices connected to %s found.\n",
888 GOTO(ctxt_release, rc = -ENOENT);
891 rc = obd_connect(NULL, &exp, mgc_obd, &uuid,
892 NULL /* obd_connect_data */, NULL);
893 if (rc != -EALREADY) {
894 CERROR("6a: connect on connected MGC (%s) failed to return"
895 " -EALREADY\n", mgc_obd->obd_name);
898 GOTO(ctxt_release, rc = -EINVAL);
901 nctxt = llog_get_context(mgc_obd, LLOG_CONFIG_REPL_CTXT);
902 rc = llog_open(env, nctxt, &llh, NULL, name, LLOG_OPEN_EXISTS);
904 CERROR("6a: llog_open failed %d\n", rc);
908 rc = llog_init_handle(env, llh, LLOG_F_IS_PLAIN, NULL);
910 CERROR("6a: llog_init_handle failed %d\n", rc);
914 plain_counter = 1; /* llog header is first record */
915 CWARN("6b: process log %s using client API\n", name);
916 rc = llog_process(env, llh, plain_print_cb, NULL, NULL);
918 CERROR("6b: llog_process failed %d\n", rc);
919 CWARN("6b: processed %d records\n", plain_counter);
921 rc = verify_handle("6b", llh, plain_counter);
925 plain_counter = 1; /* llog header is first record */
926 CWARN("6c: process log %s reversely using client API\n", name);
927 rc = llog_reverse_process(env, llh, plain_print_cb, NULL, NULL);
929 CERROR("6c: llog_reverse_process failed %d\n", rc);
930 CWARN("6c: processed %d records\n", plain_counter);
932 rc = verify_handle("6c", llh, plain_counter);
937 rc2 = llog_close(env, llh);
939 CERROR("6: llog_close failed: rc = %d\n", rc2);
944 llog_ctxt_put(nctxt);
951 struct llog_rec_hdr lrh; /* common header */
952 struct llog_logid_rec llr; /* LLOG_LOGID_MAGIC */
953 struct llog_unlink64_rec lur; /* MDS_UNLINK64_REC */
954 struct llog_setattr64_rec lsr64; /* MDS_SETATTR64_REC */
955 struct llog_setattr64_rec_v2 lsr64_v2; /* MDS_SETATTR64_REC */
956 struct llog_size_change_rec lscr; /* OST_SZ_REC */
957 struct llog_changelog_rec lcr; /* CHANGELOG_REC */
958 struct llog_changelog_user_rec lcur; /* CHANGELOG_USER_REC */
959 struct llog_gen_rec lgr; /* LLOG_GEN_REC */
962 static int test_7_print_cb(const struct lu_env *env, struct llog_handle *llh,
963 struct llog_rec_hdr *rec, void *data)
965 struct lu_fid fid = {0};
967 logid_to_fid(&llh->lgh_id, &fid);
969 CDEBUG(D_OTHER, "record type %#x at index %d in log "DFID"\n",
970 rec->lrh_type, rec->lrh_index, PFID(&fid));
976 static int test_7_cancel_cb(const struct lu_env *env, struct llog_handle *llh,
977 struct llog_rec_hdr *rec, void *data)
980 /* test LLOG_DEL_RECORD is working */
981 return LLOG_DEL_RECORD;
984 static int llog_test_7_sub(const struct lu_env *env, struct llog_ctxt *ctxt)
986 struct llog_handle *llh;
987 int rc = 0, i, process_count;
992 rc = llog_open_create(env, ctxt, &llh, NULL, NULL);
994 CERROR("7_sub: create log failed\n");
998 rc = llog_init_handle(env, llh,
999 LLOG_F_IS_PLAIN | LLOG_F_ZAP_WHEN_EMPTY,
1002 CERROR("7_sub: can't init llog handle: %d\n", rc);
1003 GOTO(out_close, rc);
1005 for (i = 0; i < LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr); i++) {
1006 rc = llog_write(env, llh, &llog_records.lrh, LLOG_NEXT_IDX);
1007 if (rc == -ENOSPC) {
1009 } else if (rc < 0) {
1010 CERROR("7_sub: write recs failed at #%d: %d\n",
1012 GOTO(out_close, rc);
1016 if (rc != -ENOSPC) {
1017 CWARN("7_sub: write record more than BITMAP size!\n");
1018 GOTO(out_close, rc = -EINVAL);
1021 rc = verify_handle("7_sub", llh, num_recs + 1);
1023 CERROR("7_sub: verify handle failed: %d\n", rc);
1024 GOTO(out_close, rc);
1026 if (num_recs < LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr) - 1)
1027 CWARN("7_sub: records are not aligned, written %d from %u\n",
1028 num_recs, LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr) - 1);
1031 rc = llog_process(env, llh, test_7_print_cb, "test 7", NULL);
1033 CERROR("7_sub: llog process failed: %d\n", rc);
1034 GOTO(out_close, rc);
1036 process_count = plain_counter;
1037 if (process_count != num_recs) {
1038 CERROR("7_sub: processed %d records from %d total\n",
1039 process_count, num_recs);
1040 GOTO(out_close, rc = -EINVAL);
1044 rc = llog_reverse_process(env, llh, test_7_cancel_cb, "test 7", NULL);
1045 if (rc && rc != LLOG_DEL_PLAIN) {
1046 CERROR("7_sub: reverse llog process failed: %d\n", rc);
1047 GOTO(out_close, rc);
1049 if (process_count != plain_counter) {
1050 CERROR("7_sub: Reverse/direct processing found different"
1051 "number of records: %d/%d\n",
1052 plain_counter, process_count);
1053 GOTO(out_close, rc = -EINVAL);
1055 if (llog_exist(llh)) {
1056 CERROR("7_sub: llog exists but should be zapped\n");
1057 GOTO(out_close, rc = -EEXIST);
1060 rc = verify_handle("7_sub", llh, 1);
1063 llog_destroy(env, llh);
1064 llog_close(env, llh);
1068 /* Test all llog records writing and processing */
1069 static int llog_test_7(const struct lu_env *env, struct obd_device *obd)
1071 struct llog_ctxt *ctxt;
1076 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
1078 CWARN("7a: test llog_logid_rec\n");
1079 llog_records.llr.lid_hdr.lrh_len = sizeof(llog_records.llr);
1080 llog_records.llr.lid_tail.lrt_len = sizeof(llog_records.llr);
1081 llog_records.llr.lid_hdr.lrh_type = LLOG_LOGID_MAGIC;
1083 rc = llog_test_7_sub(env, ctxt);
1085 CERROR("7a: llog_logid_rec test failed\n");
1089 CWARN("7b: test llog_unlink64_rec\n");
1090 llog_records.lur.lur_hdr.lrh_len = sizeof(llog_records.lur);
1091 llog_records.lur.lur_tail.lrt_len = sizeof(llog_records.lur);
1092 llog_records.lur.lur_hdr.lrh_type = MDS_UNLINK64_REC;
1094 rc = llog_test_7_sub(env, ctxt);
1096 CERROR("7b: llog_unlink_rec test failed\n");
1100 CWARN("7c: test llog_setattr64_rec\n");
1101 llog_records.lsr64.lsr_hdr.lrh_len = sizeof(llog_records.lsr64);
1102 llog_records.lsr64.lsr_tail.lrt_len = sizeof(llog_records.lsr64);
1103 llog_records.lsr64.lsr_hdr.lrh_type = MDS_SETATTR64_REC;
1105 rc = llog_test_7_sub(env, ctxt);
1107 CERROR("7c: llog_setattr64_rec test failed\n");
1111 CWARN("7d: test llog_size_change_rec\n");
1112 llog_records.lscr.lsc_hdr.lrh_len = sizeof(llog_records.lscr);
1113 llog_records.lscr.lsc_tail.lrt_len = sizeof(llog_records.lscr);
1114 llog_records.lscr.lsc_hdr.lrh_type = OST_SZ_REC;
1116 rc = llog_test_7_sub(env, ctxt);
1118 CERROR("7d: llog_size_change_rec test failed\n");
1122 CWARN("7e: test llog_changelog_rec\n");
1123 /* Direct access to cr_do_not_use: peculiar case for this test */
1124 llog_records.lcr.cr_hdr.lrh_len = sizeof(llog_records.lcr);
1125 llog_records.lcr.cr_do_not_use.lrt_len = sizeof(llog_records.lcr);
1126 llog_records.lcr.cr_hdr.lrh_type = CHANGELOG_REC;
1128 rc = llog_test_7_sub(env, ctxt);
1130 CERROR("7e: llog_changelog_rec test failed\n");
1134 CWARN("7f: test llog_changelog_user_rec\n");
1135 llog_records.lcur.cur_hdr.lrh_len = sizeof(llog_records.lcur);
1136 llog_records.lcur.cur_tail.lrt_len = sizeof(llog_records.lcur);
1137 llog_records.lcur.cur_hdr.lrh_type = CHANGELOG_USER_REC;
1139 rc = llog_test_7_sub(env, ctxt);
1141 CERROR("7f: llog_changelog_user_rec test failed\n");
1145 CWARN("7g: test llog_gen_rec\n");
1146 llog_records.lgr.lgr_hdr.lrh_len = sizeof(llog_records.lgr);
1147 llog_records.lgr.lgr_tail.lrt_len = sizeof(llog_records.lgr);
1148 llog_records.lgr.lgr_hdr.lrh_type = LLOG_GEN_REC;
1150 rc = llog_test_7_sub(env, ctxt);
1152 CERROR("7g: llog_size_change_rec test failed\n");
1156 CWARN("7h: test llog_setattr64_rec_v2\n");
1157 llog_records.lsr64.lsr_hdr.lrh_len = sizeof(llog_records.lsr64_v2);
1158 llog_records.lsr64.lsr_tail.lrt_len = sizeof(llog_records.lsr64_v2);
1159 llog_records.lsr64.lsr_hdr.lrh_type = MDS_SETATTR64_REC;
1161 rc = llog_test_7_sub(env, ctxt);
1163 CERROR("7h: llog_setattr64_rec_v2 test failed\n");
1167 llog_ctxt_put(ctxt);
1171 static int llog_truncate(const struct lu_env *env, struct dt_object *o)
1175 struct dt_device *d;
1180 d = lu2dt_dev(o->do_lu.lo_dev);
1183 rc = dt_attr_get(env, o, &la);
1187 CDEBUG(D_OTHER, "original size %llu\n", la.la_size);
1188 rc = sizeof(struct llog_log_hdr) + sizeof(struct llog_mini_rec);
1189 if (la.la_size < rc) {
1190 CERROR("too small llog: %llu\n", la.la_size);
1194 /* drop 2 records */
1195 la.la_size = la.la_size - (sizeof(struct llog_mini_rec) * 2);
1196 la.la_valid = LA_SIZE;
1198 th = dt_trans_create(env, d);
1200 RETURN(PTR_ERR(th));
1202 rc = dt_declare_attr_set(env, o, &la, th);
1206 rc = dt_declare_punch(env, o, la.la_size, OBD_OBJECT_EOF, th);
1208 rc = dt_trans_start_local(env, d, th);
1212 rc = dt_punch(env, o, la.la_size, OBD_OBJECT_EOF, th);
1216 rc = dt_attr_set(env, o, &la, th);
1221 dt_trans_stop(env, d, th);
1226 static int test_8_cb(const struct lu_env *env, struct llog_handle *llh,
1227 struct llog_rec_hdr *rec, void *data)
1233 static int llog_test_8(const struct lu_env *env, struct obd_device *obd)
1235 struct llog_handle *llh = NULL;
1239 struct llog_mini_rec lmr;
1240 struct llog_ctxt *ctxt;
1241 struct dt_object *obj = NULL;
1245 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
1248 lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
1249 lmr.lmr_hdr.lrh_type = 0xf00f00;
1251 CWARN("8a: fill the first plain llog\n");
1252 rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS);
1254 CERROR("8a: llog_create with logid failed: %d\n", rc);
1258 rc = llog_init_handle(env, llh, LLOG_F_IS_CAT, &uuid);
1260 CERROR("8a: can't init llog handle: %d\n", rc);
1265 rc = llog_cat_process(env, llh, test_8_cb, "foobar", 0, 0);
1267 CERROR("5a: process with test_8_cb failed: %d\n", rc);
1270 orig_counter = plain_counter;
1272 for (i = 0; i < 100; i++) {
1273 rc = llog_cat_add(env, llh, &lmr.lmr_hdr, NULL);
1275 CERROR("5a: add record failed\n");
1280 /* grab the current plain llog, we'll corrupt it later */
1281 obj = llh->u.chd.chd_current_log->lgh_obj;
1283 lu_object_get(&obj->do_lu);
1284 CWARN("8a: pin llog "DFID"\n", PFID(lu_object_fid(&obj->do_lu)));
1286 rc2 = llog_cat_close(env, llh);
1288 CERROR("8a: close log %s failed: %d\n", name, rc2);
1294 CWARN("8b: fill the second plain llog\n");
1295 rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS);
1297 CERROR("8b: llog_create with logid failed: %d\n", rc);
1301 rc = llog_init_handle(env, llh, LLOG_F_IS_CAT, &uuid);
1303 CERROR("8b: can't init llog handle: %d\n", rc);
1307 for (i = 0; i < 100; i++) {
1308 rc = llog_cat_add(env, llh, &lmr.lmr_hdr, NULL);
1310 CERROR("8b: add record failed\n");
1314 CWARN("8b: second llog "DFID"\n",
1315 PFID(lu_object_fid(&llh->u.chd.chd_current_log->lgh_obj->do_lu)));
1317 rc2 = llog_cat_close(env, llh);
1319 CERROR("8b: close log %s failed: %d\n", name, rc2);
1325 CWARN("8c: drop two records from the first plain llog\n");
1326 llog_truncate(env, obj);
1328 CWARN("8d: count survived records\n");
1329 rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS);
1331 CERROR("8d: llog_create with logid failed: %d\n", rc);
1335 rc = llog_init_handle(env, llh, LLOG_F_IS_CAT, &uuid);
1337 CERROR("8d: can't init llog handle: %d\n", rc);
1342 rc = llog_cat_process(env, llh, test_8_cb, "foobar", 0, 0);
1344 CERROR("8d: process with test_8_cb failed: %d\n", rc);
1348 if (orig_counter + 200 - 2 != plain_counter) {
1349 CERROR("found %d records (expected %d)\n", plain_counter,
1350 orig_counter + 200 - 2);
1355 CWARN("8d: close re-opened catalog\n");
1356 rc2 = llog_cat_close(env, llh);
1358 CERROR("8d: close log %s failed: %d\n", name, rc2);
1363 llog_ctxt_put(ctxt);
1366 dt_object_put(env, obj);
1371 static int llog_test_9_sub(const struct lu_env *env, struct llog_ctxt *ctxt)
1373 struct llog_handle *llh;
1379 rc = llog_open_create(env, ctxt, &llh, NULL, NULL);
1381 CERROR("9_sub: create log failed\n");
1385 rc = llog_init_handle(env, llh,
1386 LLOG_F_IS_PLAIN | LLOG_F_ZAP_WHEN_EMPTY,
1389 CERROR("9_sub: can't init llog handle: %d\n", rc);
1390 GOTO(out_close, rc);
1393 logid_to_fid(&llh->lgh_id, &fid);
1394 fid_to_logid(&fid, &llog_records.llr.lid_id);
1395 rc = llog_write(env, llh, &llog_records.lrh, LLOG_NEXT_IDX);
1397 CERROR("9_sub: write recs failed at #1: %d\n", rc);
1398 GOTO(out_close, rc);
1400 CWARN("9_sub: record type %x in log "DFID_NOBRACE"\n",
1401 llog_records.lrh.lrh_type, PFID(&fid));
1403 llog_close(env, llh);
1407 /* Prepare different types of llog records for llog_reader test*/
1408 static int llog_test_9(const struct lu_env *env, struct obd_device *obd)
1410 struct llog_ctxt *ctxt;
1415 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
1417 CWARN("9a: test llog_logid_rec\n");
1418 llog_records.llr.lid_hdr.lrh_len = sizeof(llog_records.llr);
1419 llog_records.llr.lid_tail.lrt_len = sizeof(llog_records.llr);
1420 llog_records.llr.lid_hdr.lrh_type = LLOG_LOGID_MAGIC;
1422 rc = llog_test_9_sub(env, ctxt);
1424 CERROR("9a: llog_logid_rec test failed\n");
1428 CWARN("9b: test llog_obd_cfg_rec\n");
1429 llog_records.lscr.lsc_hdr.lrh_len = sizeof(llog_records.lscr);
1430 llog_records.lscr.lsc_tail.lrt_len = sizeof(llog_records.lscr);
1431 llog_records.lscr.lsc_hdr.lrh_type = OBD_CFG_REC;
1433 rc = llog_test_9_sub(env, ctxt);
1435 CERROR("9b: llog_obd_cfg_rec test failed\n");
1439 CWARN("9c: test llog_changelog_rec\n");
1440 /* Direct access to cr_do_not_use: peculiar case for this test */
1441 llog_records.lcr.cr_hdr.lrh_len = sizeof(llog_records.lcr);
1442 llog_records.lcr.cr_do_not_use.lrt_len = sizeof(llog_records.lcr);
1443 llog_records.lcr.cr_hdr.lrh_type = CHANGELOG_REC;
1445 rc = llog_test_9_sub(env, ctxt);
1447 CERROR("9c: llog_changelog_rec test failed\n");
1451 CWARN("9d: test llog_changelog_user_rec\n");
1452 llog_records.lcur.cur_hdr.lrh_len = sizeof(llog_records.lcur);
1453 llog_records.lcur.cur_tail.lrt_len = sizeof(llog_records.lcur);
1454 llog_records.lcur.cur_hdr.lrh_type = CHANGELOG_USER_REC;
1456 rc = llog_test_9_sub(env, ctxt);
1458 CERROR("9d: llog_changelog_user_rec test failed\n");
1463 llog_ctxt_put(ctxt);
1467 struct llog_process_info {
1468 struct llog_handle *lpi_loghandle;
1473 struct completion lpi_completion;
1474 const struct lu_env *lpi_env;
1475 struct task_struct *lpi_reftask;
1479 static int llog_test_process_thread(void *arg)
1481 struct llog_process_info *lpi = arg;
1483 llog_process(NULL, lpi->lpi_loghandle, lpi->lpi_cb, lpi->lpi_cbdata,
1486 complete(&lpi->lpi_completion);
1491 static int cat_check_old_cb(const struct lu_env *env, struct llog_handle *llh,
1492 struct llog_rec_hdr *rec, void *data)
1494 struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
1495 struct lu_fid fid = {0};
1496 struct lu_fid *prev_fid = data;
1498 if (rec->lrh_type != LLOG_LOGID_MAGIC) {
1499 CERROR("invalid record in catalog\n");
1503 logid_to_fid(&lir->lid_id, &fid);
1505 CWARN("seeing record at index %d - "DFID" in log "DFID"\n",
1506 rec->lrh_index, PFID(&fid),
1507 PFID(lu_object_fid(&llh->lgh_obj->do_lu)));
1509 if (prev_fid->f_oid > fid.f_oid) {
1510 CWARN("processing old record, fail\n");
1511 prev_fid->f_oid = 0xbad;
1512 RETURN(LLOG_PROC_BREAK);
1515 if (prev_fid->f_oid == 0)
1516 cfs_fail_loc = OBD_FAIL_LLOG_PROCESS_TIMEOUT;
1523 /* test catalog wrap around */
1524 static int llog_test_10(const struct lu_env *env, struct obd_device *obd)
1526 struct llog_handle *cath;
1528 int rc, rc2, i, enospc, eok;
1529 struct llog_mini_rec lmr;
1530 struct llog_ctxt *ctxt;
1533 struct dt_device *dt;
1537 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
1540 lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
1541 lmr.lmr_hdr.lrh_type = 0xf00f00;
1543 snprintf(name, sizeof(name), "%x", llog_test_rand + 2);
1544 CWARN("10a: create a catalog log with name: %s\n", name);
1545 rc = llog_open_create(env, ctxt, &cath, NULL, name);
1547 CERROR("10a: llog_create with name %s failed: %d\n", name, rc);
1548 GOTO(ctxt_release, rc);
1550 rc = llog_init_handle(env, cath, LLOG_F_IS_CAT, &uuid);
1552 CERROR("10a: can't init llog handle: %d\n", rc);
1556 cat_logid = cath->lgh_id;
1557 dt = lu2dt_dev(cath->lgh_obj->do_lu.lo_dev);
1560 * sync device to commit all recent LLOG changes to disk and avoid
1561 * to consume a huge space with delayed journal commit callbacks
1562 * particularly on low memory nodes or VMs
1564 rc = dt_sync(env, dt);
1566 CERROR("10c: sync failed: %d\n", rc);
1570 /* force catalog wrap for 5th plain LLOG */
1571 cfs_fail_loc = CFS_FAIL_SKIP|OBD_FAIL_CAT_RECORDS;
1574 CWARN("10b: write %d log records\n", LLOG_TEST_RECNUM);
1575 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
1576 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
1578 CERROR("10b: write %d records failed at #%d: %d\n",
1579 LLOG_TEST_RECNUM, i + 1, rc);
1584 /* make sure 2 new plain llog appears in catalog (+1 with hdr) */
1585 rc = verify_handle("10b", cath, 3);
1590 * sync device to commit all recent LLOG changes to disk and avoid
1591 * to consume a huge space with delayed journal commit callbacks
1592 * particularly on low memory nodes or VMs
1594 rc = dt_sync(env, dt);
1596 CERROR("10b: sync failed: %d\n", rc);
1600 CWARN("10c: write %d more log records\n", 2 * LLOG_TEST_RECNUM);
1601 for (i = 0; i < 2 * LLOG_TEST_RECNUM; i++) {
1602 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
1604 CERROR("10c: write %d records failed at #%d: %d\n",
1605 2*LLOG_TEST_RECNUM, i + 1, rc);
1610 /* make sure 2 new plain llog appears in catalog (+1 with hdr) */
1611 rc = verify_handle("10c", cath, 5);
1616 * sync device to commit all recent LLOG changes to disk and avoid
1617 * to consume a huge space with delayed journal commit callbacks
1618 * particularly on low memory nodes or VMs
1620 rc = dt_sync(env, dt);
1622 CERROR("10c: sync failed: %d\n", rc);
1627 * fill last allocated plain LLOG and reach -ENOSPC condition
1628 * because no slot available in Catalog
1632 CWARN("10c: write %d more log records\n", LLOG_TEST_RECNUM);
1633 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
1634 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
1635 if (rc && rc != -ENOSPC) {
1636 CERROR("10c: write %d records failed at #%d: %d\n",
1637 LLOG_TEST_RECNUM, i + 1, rc);
1641 * after last added plain LLOG has filled up, all new
1642 * records add should fail with -ENOSPC
1644 if (rc == -ENOSPC) {
1652 if ((enospc == 0) && (enospc+eok != LLOG_TEST_RECNUM)) {
1653 CERROR("10c: all last records adds should have failed with"
1655 GOTO(out, rc = -EINVAL);
1658 CWARN("10c: wrote %d records then %d failed with ENOSPC\n", eok,
1661 /* make sure no new record in Catalog */
1662 rc = verify_handle("10c", cath, 5);
1666 /* Catalog should have reached its max size for test */
1667 rc = dt_attr_get(env, cath->lgh_obj, &la);
1669 CERROR("10c: failed to get catalog attrs: %d\n", rc);
1672 cat_max_size = la.la_size;
1675 * cancel all 1st plain llog records to empty it, this will also cause
1676 * its catalog entry to be freed for next forced wrap in 10e
1678 CWARN("10d: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
1680 rc = llog_cat_process(env, cath, llog_cancel_rec_cb, "foobar", 0, 0);
1681 if (rc != -LLOG_EEMPTY) {
1682 CERROR("10d: process with llog_cancel_rec_cb failed: %d\n", rc);
1684 * need to indicate error if for any reason LLOG_TEST_RECNUM is
1692 CWARN("10d: print the catalog entries.. we expect 3\n");
1694 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1696 CERROR("10d: process with cat_print_cb failed: %d\n", rc);
1699 if (cat_counter != 3) {
1700 CERROR("10d: %d entries in catalog\n", cat_counter);
1701 GOTO(out, rc = -EINVAL);
1704 /* verify one down in catalog (+1 with hdr) */
1705 rc = verify_handle("10d", cath, 4);
1710 * sync device to commit all recent LLOG changes to disk and avoid
1711 * to consume a huge space with delayed journal commit callbacks
1712 * particularly on low memory nodes or VMs
1714 rc = dt_sync(env, dt);
1716 CERROR("10d: sync failed: %d\n", rc);
1722 CWARN("10e: write %d more log records\n", LLOG_TEST_RECNUM);
1723 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
1724 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
1725 if (rc && rc != -ENOSPC) {
1726 CERROR("10e: write %d records failed at #%d: %d\n",
1727 LLOG_TEST_RECNUM, i + 1, rc);
1731 * after last added plain LLOG has filled up, all new
1732 * records add should fail with -ENOSPC
1734 if (rc == -ENOSPC) {
1742 if ((enospc == 0) && (enospc+eok != LLOG_TEST_RECNUM)) {
1743 CERROR("10e: all last records adds should have failed with"
1745 GOTO(out, rc = -EINVAL);
1748 CWARN("10e: wrote %d records then %d failed with ENOSPC\n", eok,
1751 CWARN("10e: print the catalog entries.. we expect 4\n");
1753 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1755 CERROR("10d: process with cat_print_cb failed: %d\n", rc);
1758 if (cat_counter != 4) {
1759 CERROR("10d: %d entries in catalog\n", cat_counter);
1760 GOTO(out, rc = -EINVAL);
1763 /* make sure 1 new plain llog appears in catalog (+1 with hdr) */
1764 rc = verify_handle("10e", cath, 5);
1768 /* verify catalog has wrap around */
1769 if (cath->lgh_last_idx > cath->lgh_hdr->llh_cat_idx) {
1770 CERROR("10e: catalog failed to wrap around\n");
1771 GOTO(out, rc = -EINVAL);
1774 rc = dt_attr_get(env, cath->lgh_obj, &la);
1776 CERROR("10e: failed to get catalog attrs: %d\n", rc);
1780 if (la.la_size != cat_max_size) {
1781 CERROR("10e: catalog size has changed after it has wrap around,"
1782 " current size = %llu, expected size = %llu\n",
1783 la.la_size, cat_max_size);
1784 GOTO(out, rc = -EINVAL);
1786 CWARN("10e: catalog successfully wrap around, last_idx %d, first %d\n",
1787 cath->lgh_last_idx, cath->lgh_hdr->llh_cat_idx);
1790 * sync device to commit all recent LLOG changes to disk and avoid
1791 * to consume a huge space with delayed journal commit callbacks
1792 * particularly on low memory nodes or VMs
1794 rc = dt_sync(env, dt);
1796 CERROR("10e: sync failed: %d\n", rc);
1801 * cancel more records to free one more slot in Catalog
1802 * see if it is re-allocated when adding more records
1804 CWARN("10f: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
1806 rc = llog_cat_process(env, cath, llog_cancel_rec_cb, "foobar", 0, 0);
1807 if (rc != -LLOG_EEMPTY) {
1808 CERROR("10f: process with llog_cancel_rec_cb failed: %d\n", rc);
1810 * need to indicate error if for any reason LLOG_TEST_RECNUM is
1818 CWARN("10f: print the catalog entries.. we expect 3\n");
1820 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1822 CERROR("10f: process with cat_print_cb failed: %d\n", rc);
1825 if (cat_counter != 3) {
1826 CERROR("10f: %d entries in catalog\n", cat_counter);
1827 GOTO(out, rc = -EINVAL);
1830 /* verify one down in catalog (+1 with hdr) */
1831 rc = verify_handle("10f", cath, 4);
1836 * sync device to commit all recent LLOG changes to disk and avoid
1837 * to consume a huge space with delayed journal commit callbacks
1838 * particularly on low memory nodes or VMs
1840 rc = dt_sync(env, dt);
1842 CERROR("10f: sync failed: %d\n", rc);
1848 CWARN("10f: write %d more log records\n", LLOG_TEST_RECNUM);
1849 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
1850 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
1851 if (rc && rc != -ENOSPC) {
1852 CERROR("10f: write %d records failed at #%d: %d\n",
1853 LLOG_TEST_RECNUM, i + 1, rc);
1857 * after last added plain LLOG has filled up, all new
1858 * records add should fail with -ENOSPC
1860 if (rc == -ENOSPC) {
1868 if ((enospc == 0) && (enospc+eok != LLOG_TEST_RECNUM)) {
1869 CERROR("10f: all last records adds should have failed with"
1871 GOTO(out, rc = -EINVAL);
1874 CWARN("10f: wrote %d records then %d failed with ENOSPC\n", eok,
1877 /* make sure 1 new plain llog appears in catalog (+1 with hdr) */
1878 rc = verify_handle("10f", cath, 5);
1882 /* verify lgh_last_idx = llh_cat_idx = 2 now */
1883 if (cath->lgh_last_idx != cath->lgh_hdr->llh_cat_idx ||
1884 cath->lgh_last_idx != 2) {
1885 CERROR("10f: lgh_last_idx = %d vs 2, llh_cat_idx = %d vs 2\n",
1886 cath->lgh_last_idx, cath->lgh_hdr->llh_cat_idx);
1887 GOTO(out, rc = -EINVAL);
1890 rc = dt_attr_get(env, cath->lgh_obj, &la);
1892 CERROR("10f: failed to get catalog attrs: %d\n", rc);
1896 if (la.la_size != cat_max_size) {
1897 CERROR("10f: catalog size has changed after it has wrap around,"
1898 " current size = %llu, expected size = %llu\n",
1899 la.la_size, cat_max_size);
1900 GOTO(out, rc = -EINVAL);
1904 * sync device to commit all recent LLOG changes to disk and avoid
1905 * to consume a huge space with delayed journal commit callbacks
1906 * particularly on low memory nodes or VMs
1908 rc = dt_sync(env, dt);
1910 CERROR("10f: sync failed: %d\n", rc);
1914 /* will llh_cat_idx also successfully wrap ? */
1917 * cancel all records in the plain LLOGs referenced by 2 last indexes in
1921 /* cancel more records to free one more slot in Catalog */
1922 CWARN("10g: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
1924 rc = llog_cat_process(env, cath, llog_cancel_rec_cb, "foobar", 0, 0);
1925 if (rc != -LLOG_EEMPTY) {
1926 CERROR("10g: process with llog_cancel_rec_cb failed: %d\n", rc);
1927 /* need to indicate error if for any reason LLOG_TEST_RECNUM is
1934 CWARN("10g: print the catalog entries.. we expect 3\n");
1936 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1938 CERROR("10g: process with cat_print_cb failed: %d\n", rc);
1941 if (cat_counter != 3) {
1942 CERROR("10g: %d entries in catalog\n", cat_counter);
1943 GOTO(out, rc = -EINVAL);
1946 /* verify one down in catalog (+1 with hdr) */
1947 rc = verify_handle("10g", cath, 4);
1952 * sync device to commit all recent LLOG changes to disk and avoid
1953 * to consume a huge space with delayed journal commit callbacks
1954 * particularly on low memory nodes or VMs
1956 rc = dt_sync(env, dt);
1958 CERROR("10g: sync failed: %d\n", rc);
1962 /* cancel more records to free one more slot in Catalog */
1963 CWARN("10g: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
1965 rc = llog_cat_process(env, cath, llog_cancel_rec_cb, "foobar", 0, 0);
1966 if (rc != -LLOG_EEMPTY) {
1967 CERROR("10g: process with llog_cancel_rec_cb failed: %d\n", rc);
1969 * need to indicate error if for any reason LLOG_TEST_RECNUM is
1977 CWARN("10g: print the catalog entries.. we expect 2\n");
1979 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
1981 CERROR("10g: process with cat_print_cb failed: %d\n", rc);
1984 if (cat_counter != 2) {
1985 CERROR("10g: %d entries in catalog\n", cat_counter);
1986 GOTO(out, rc = -EINVAL);
1989 /* verify one down in catalog (+1 with hdr) */
1990 rc = verify_handle("10g", cath, 3);
1994 /* verify lgh_last_idx = 2 and llh_cat_idx = 0 now */
1995 if (cath->lgh_hdr->llh_cat_idx != 0 ||
1996 cath->lgh_last_idx != 2) {
1997 CERROR("10g: lgh_last_idx = %d vs 2, llh_cat_idx = %d vs 0\n",
1998 cath->lgh_last_idx, cath->lgh_hdr->llh_cat_idx);
1999 GOTO(out, rc = -EINVAL);
2003 * sync device to commit all recent LLOG changes to disk and avoid
2004 * to consume a huge space with delayed journal commit callbacks
2005 * particularly on low memory nodes or VMs
2007 rc = dt_sync(env, dt);
2009 CERROR("10g: sync failed: %d\n", rc);
2013 /* cancel more records to free one more slot in Catalog */
2014 CWARN("10g: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
2016 rc = llog_cat_process(env, cath, llog_cancel_rec_cb, "foobar", 0, 0);
2017 if (rc != -LLOG_EEMPTY) {
2018 CERROR("10g: process with llog_cancel_rec_cb failed: %d\n", rc);
2020 * need to indicate error if for any reason LLOG_TEST_RECNUM is
2028 CWARN("10g: print the catalog entries.. we expect 1\n");
2030 rc = llog_process(env, cath, cat_print_cb, "test 10", NULL);
2032 CERROR("10g: process with cat_print_cb failed: %d\n", rc);
2035 if (cat_counter != 1) {
2036 CERROR("10g: %d entries in catalog\n", cat_counter);
2037 GOTO(out, rc = -EINVAL);
2040 /* verify one down in catalog (+1 with hdr) */
2041 rc = verify_handle("10g", cath, 2);
2045 /* verify lgh_last_idx = 2 and llh_cat_idx = 1 now */
2046 if (cath->lgh_hdr->llh_cat_idx != 1 ||
2047 cath->lgh_last_idx != 2) {
2048 CERROR("10g: lgh_last_idx = %d vs 2, llh_cat_idx = %d vs 1\n",
2049 cath->lgh_last_idx, cath->lgh_hdr->llh_cat_idx);
2050 GOTO(out, rc = -EINVAL);
2053 CWARN("10g: llh_cat_idx has also successfully wrapped!\n");
2056 * catalog has only one valid entry other slots has outdated
2057 * records. Trying to race the llog_thread_process with llog_add
2058 * llog_thread_process read buffer and loop record on it.
2059 * llog_add adds a record and mark a record in bitmap.
2060 * llog_thread_process process record with old data.
2063 struct llog_process_info lpi;
2064 struct lu_fid test_fid = {0};
2066 lpi.lpi_loghandle = cath;
2067 lpi.lpi_cb = cat_check_old_cb;
2068 lpi.lpi_catdata = NULL;
2069 lpi.lpi_cbdata = &test_fid;
2070 init_completion(&lpi.lpi_completion);
2072 kthread_run(llog_test_process_thread, &lpi, "llog_test_process_thread");
2074 msleep(1 * MSEC_PER_SEC);
2077 CWARN("10h: write %d more log records\n", LLOG_TEST_RECNUM);
2078 for (i = 0; i < LLOG_TEST_RECNUM; i++) {
2079 rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL);
2080 if (rc && rc != -ENOSPC) {
2081 CERROR("10h: write %d records failed at #%d: %d\n",
2082 LLOG_TEST_RECNUM, i + 1, rc);
2086 * after last added plain LLOG has filled up, all new
2087 * records add should fail with -ENOSPC
2089 if (rc == -ENOSPC) {
2097 if ((enospc == 0) && (enospc+eok != LLOG_TEST_RECNUM)) {
2098 CERROR("10h: all last records adds should have failed with"
2100 GOTO(out, rc = -EINVAL);
2103 CWARN("10h: wrote %d records then %d failed with ENOSPC\n", eok,
2106 wait_for_completion(&lpi.lpi_completion);
2108 if (test_fid.f_oid == 0xbad) {
2109 CERROR("10h: race happened, old record was processed\n");
2110 GOTO(out, rc = -EINVAL);
2117 CWARN("10: put newly-created catalog\n");
2118 rc2 = llog_cat_close(env, cath);
2120 CERROR("10: close log %s failed: %d\n", name, rc2);
2125 llog_ctxt_put(ctxt);
2130 * -------------------------------------------------------------------------
2131 * Tests above, boring obd functions below
2132 * -------------------------------------------------------------------------
2134 static int llog_run_tests(const struct lu_env *env, struct obd_device *obd)
2136 struct llog_handle *llh = NULL;
2137 struct llog_ctxt *ctxt;
2142 ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
2145 sprintf(name, "%x", llog_test_rand);
2147 rc = llog_test_1(env, obd, name);
2149 GOTO(cleanup_ctxt, rc);
2151 rc = llog_test_2(env, obd, name, &llh);
2153 GOTO(cleanup_ctxt, rc);
2155 rc = llog_test_3(env, obd, llh);
2159 rc = llog_test_4(env, obd);
2163 rc = llog_test_5(env, obd);
2167 rc = llog_test_6(env, obd, name);
2171 rc = llog_test_7(env, obd);
2175 rc = llog_test_8(env, obd);
2179 rc = llog_test_9(env, obd);
2183 rc = llog_test_10(env, obd);
2188 err = llog_destroy(env, llh);
2190 CERROR("cleanup: llog_destroy failed: %d\n", err);
2191 llog_close(env, llh);
2195 llog_ctxt_put(ctxt);
2199 static int llog_test_cleanup(struct obd_device *obd)
2201 struct obd_device *tgt;
2207 rc = lu_env_init(&env, LCT_LOCAL | LCT_MG_THREAD);
2211 tgt = obd->obd_lvfs_ctxt.dt->dd_lu_dev.ld_obd;
2212 rc = llog_cleanup(&env, llog_get_context(tgt, LLOG_TEST_ORIG_CTXT));
2214 CERROR("failed to llog_test_llog_finish: %d\n", rc);
2219 static int llog_test_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
2221 struct obd_device *tgt;
2222 struct llog_ctxt *ctxt;
2223 struct dt_object *o;
2225 struct lu_context test_session;
2230 if (lcfg->lcfg_bufcount < 2) {
2231 CERROR("requires a TARGET OBD name\n");
2235 if (lcfg->lcfg_buflens[1] < 1) {
2236 CERROR("requires a TARGET OBD name\n");
2241 tgt = class_name2obd(lustre_cfg_string(lcfg, 1));
2242 if (!tgt || !tgt->obd_attached || !tgt->obd_set_up) {
2243 CERROR("target device not attached or not set up (%s)\n",
2244 lustre_cfg_string(lcfg, 1));
2248 rc = lu_env_init(&env, LCT_LOCAL | LCT_MG_THREAD);
2252 rc = lu_context_init(&test_session, LCT_SERVER_SESSION);
2254 GOTO(cleanup_env, rc);
2255 test_session.lc_thread = (struct ptlrpc_thread *)current;
2256 lu_context_enter(&test_session);
2257 env.le_ses = &test_session;
2259 CWARN("Setup llog-test device over %s device\n",
2260 lustre_cfg_string(lcfg, 1));
2262 OBD_SET_CTXT_MAGIC(&obd->obd_lvfs_ctxt);
2263 obd->obd_lvfs_ctxt.dt = lu2dt_dev(tgt->obd_lu_dev);
2265 rc = llog_setup(&env, tgt, &tgt->obd_olg, LLOG_TEST_ORIG_CTXT, tgt,
2268 GOTO(cleanup_session, rc);
2270 /* use MGS llog dir for tests */
2271 ctxt = llog_get_context(tgt, LLOG_CONFIG_ORIG_CTXT);
2274 llog_ctxt_put(ctxt);
2276 ctxt = llog_get_context(tgt, LLOG_TEST_ORIG_CTXT);
2279 llog_ctxt_put(ctxt);
2281 llog_test_rand = cfs_rand();
2283 rc = llog_run_tests(&env, tgt);
2285 llog_test_cleanup(obd);
2287 lu_context_exit(&test_session);
2288 lu_context_fini(&test_session);
2294 static struct obd_ops llog_obd_ops = {
2295 .o_owner = THIS_MODULE,
2296 .o_setup = llog_test_setup,
2297 .o_cleanup = llog_test_cleanup,
2300 static int __init llog_test_init(void)
2302 return class_register_type(&llog_obd_ops, NULL, false, NULL,
2306 static void __exit llog_test_exit(void)
2308 class_unregister_type("llog_test");
2311 MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
2312 MODULE_DESCRIPTION("Lustre Log test module");
2313 MODULE_VERSION(LUSTRE_VERSION_STRING);
2314 MODULE_LICENSE("GPL");
2316 module_init(llog_test_init);
2317 module_exit(llog_test_exit);