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* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is included
* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
* http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
* GPL HEADER END
*/
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*
* lustre/obdclass/llog_test.c
*
* Author: Phil Schwan <phil@clusterfs.com>
* Author: Mikhail Pershin <mike.pershin@intel.com>
*/
#define DEBUG_SUBSYSTEM S_CLASS
#include <linux/module.h>
#include <linux/init.h>
#include <obd_class.h>
#include <lustre_fid.h>
#include <lustre_log.h>
/* This is slightly more than the number of records that can fit into a
* single llog file, because the llog_log_header takes up some of the
* space in the first block that cannot be used for the bitmap. */
#define LLOG_TEST_RECNUM (LLOG_CHUNK_SIZE * 8)
static int llog_test_rand;
static struct obd_uuid uuid = { .uuid = "test_uuid" };
static struct llog_logid cat_logid;
struct llog_mini_rec {
struct llog_rec_hdr lmr_hdr;
struct llog_rec_tail lmr_tail;
} __attribute__((packed));
static int verify_handle(char *test, struct llog_handle *llh, int num_recs)
{
int i;
int last_idx = 0;
int active_recs = 0;
for (i = 0; i < LLOG_BITMAP_BYTES * 8; i++) {
if (ext2_test_bit(i, llh->lgh_hdr->llh_bitmap)) {
last_idx = i;
active_recs++;
}
}
if (active_recs != num_recs) {
CERROR("%s: expected %d active recs after write, found %d\n",
test, num_recs, active_recs);
return -ERANGE;
}
if (llh->lgh_hdr->llh_count != num_recs) {
CERROR("%s: handle->count is %d, expected %d after write\n",
test, llh->lgh_hdr->llh_count, num_recs);
return -ERANGE;
}
if (llh->lgh_last_idx < last_idx) {
CERROR("%s: handle->last_idx is %d, expected %d after write\n",
test, llh->lgh_last_idx, last_idx);
return -ERANGE;
}
return 0;
}
/* Test named-log create/open, close */
static int llog_test_1(const struct lu_env *env,
struct obd_device *obd, char *name)
{
struct llog_handle *llh;
struct llog_ctxt *ctxt;
int rc;
int rc2;
CWARN("1a: create a log with name: %s\n", name);
ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
LASSERT(ctxt);
rc = llog_open_create(env, ctxt, &llh, NULL, name);
if (rc) {
CERROR("1a: llog_create with name %s failed: %d\n", name, rc);
GOTO(out, rc);
}
rc = llog_init_handle(env, llh, LLOG_F_IS_PLAIN, &uuid);
if (rc) {
CERROR("1a: can't init llog handle: %d\n", rc);
GOTO(out_close, rc);
}
rc = verify_handle("1", llh, 1);
CWARN("1b: close newly-created log\n");
out_close:
rc2 = llog_close(env, llh);
if (rc2) {
CERROR("1b: close log %s failed: %d\n", name, rc2);
if (rc == 0)
rc = rc2;
}
out:
llog_ctxt_put(ctxt);
return rc;
}
/* Test named-log reopen; returns opened log on success */
static int llog_test_2(const struct lu_env *env, struct obd_device *obd,
char *name, struct llog_handle **llh)
{
struct llog_ctxt *ctxt;
struct llog_handle *loghandle;
struct llog_logid logid;
int rc;
CWARN("2a: re-open a log with name: %s\n", name);
ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
LASSERT(ctxt);
rc = llog_open(env, ctxt, llh, NULL, name, LLOG_OPEN_EXISTS);
if (rc) {
CERROR("2a: re-open log with name %s failed: %d\n", name, rc);
GOTO(out_put, rc);
}
rc = llog_init_handle(env, *llh, LLOG_F_IS_PLAIN, &uuid);
if (rc) {
CERROR("2a: can't init llog handle: %d\n", rc);
GOTO(out_close_llh, rc);
}
rc = verify_handle("2", *llh, 1);
if (rc)
GOTO(out_close_llh, rc);
/* XXX: there is known issue with tests 2b, MGS is not able to create
* anonymous llog, exit now to allow following tests run.
* It is fixed in upcoming llog over OSD code */
GOTO(out_put, rc);
CWARN("2b: create a log without specified NAME & LOGID\n");
rc = llog_open_create(env, ctxt, &loghandle, NULL, NULL);
if (rc) {
CERROR("2b: create log failed\n");
GOTO(out_close_llh, rc);
}
rc = llog_init_handle(env, loghandle, LLOG_F_IS_PLAIN, &uuid);
if (rc) {
CERROR("2b: can't init llog handle: %d\n", rc);
GOTO(out_close, rc);
}
logid = loghandle->lgh_id;
llog_close(env, loghandle);
CWARN("2c: re-open the log by LOGID\n");
rc = llog_open(env, ctxt, &loghandle, &logid, NULL, LLOG_OPEN_EXISTS);
if (rc) {
CERROR("2c: re-open log by LOGID failed\n");
GOTO(out_close_llh, rc);
}
rc = llog_init_handle(env, loghandle, LLOG_F_IS_PLAIN, &uuid);
if (rc) {
CERROR("2c: can't init llog handle: %d\n", rc);
GOTO(out_close, rc);
}
CWARN("2b: destroy this log\n");
rc = llog_destroy(env, loghandle);
if (rc)
CERROR("2d: destroy log failed\n");
out_close:
llog_close(env, loghandle);
out_close_llh:
if (rc)
llog_close(env, *llh);
out_put:
llog_ctxt_put(ctxt);
return rc;
}
/* Test record writing, single and in bulk */
static int llog_test_3(const struct lu_env *env, struct obd_device *obd,
struct llog_handle *llh)
{
struct llog_gen_rec lgr;
int rc, i;
int num_recs = 1; /* 1 for the header */
lgr.lgr_hdr.lrh_len = lgr.lgr_tail.lrt_len = sizeof(lgr);
lgr.lgr_hdr.lrh_type = LLOG_GEN_REC;
CWARN("3a: write one create_rec\n");
rc = llog_write(env, llh, &lgr.lgr_hdr, NULL, 0, NULL, -1);
num_recs++;
if (rc < 0) {
CERROR("3a: write one log record failed: %d\n", rc);
return rc;
}
rc = verify_handle("3a", llh, num_recs);
if (rc)
return rc;
CWARN("3b: write 10 cfg log records with 8 bytes bufs\n");
for (i = 0; i < 10; i++) {
struct llog_rec_hdr hdr;
char buf[8];
hdr.lrh_len = 8;
hdr.lrh_type = OBD_CFG_REC;
memset(buf, 0, sizeof(buf));
rc = llog_write(env, llh, &hdr, NULL, 0, buf, -1);
if (rc < 0) {
CERROR("3b: write 10 records failed at #%d: %d\n",
i + 1, rc);
return rc;
}
num_recs++;
}
rc = verify_handle("3b", llh, num_recs);
if (rc)
return rc;
CWARN("3c: write 1000 more log records\n");
for (i = 0; i < 1000; i++) {
rc = llog_write(env, llh, &lgr.lgr_hdr, NULL, 0, NULL, -1);
if (rc < 0) {
CERROR("3c: write 1000 records failed at #%d: %d\n",
i + 1, rc);
return rc;
}
num_recs++;
}
rc = verify_handle("3c", llh, num_recs);
if (rc)
return rc;
CWARN("3d: write log more than BITMAP_SIZE, return -ENOSPC\n");
for (i = 0; i < LLOG_BITMAP_SIZE(llh->lgh_hdr) + 1; i++) {
struct llog_rec_hdr hdr;
char buf_even[24];
char buf_odd[32];
memset(buf_odd, 0, sizeof(buf_odd));
memset(buf_even, 0, sizeof(buf_even));
if ((i % 2) == 0) {
hdr.lrh_len = 24;
hdr.lrh_type = OBD_CFG_REC;
rc = llog_write(env, llh, &hdr, NULL, 0, buf_even, -1);
} else {
hdr.lrh_len = 32;
hdr.lrh_type = OBD_CFG_REC;
rc = llog_write(env, llh, &hdr, NULL, 0, buf_odd, -1);
}
if (rc == -ENOSPC) {
break;
} else if (rc < 0) {
CERROR("3d: write recs failed at #%d: %d\n",
i + 1, rc);
return rc;
}
num_recs++;
}
if (rc != -ENOSPC) {
CWARN("3d: write record more than BITMAP size!\n");
return -EINVAL;
}
CWARN("3d: wrote %d more records before end of llog is reached\n",
num_recs);
rc = verify_handle("3d", llh, num_recs);
return rc;
}
/* Test catalogue additions */
static int llog_test_4(const struct lu_env *env, struct obd_device *obd)
{
struct llog_handle *cath;
char name[10];
int rc, rc2, i, buflen;
struct llog_mini_rec lmr;
struct llog_cookie cookie;
struct llog_ctxt *ctxt;
int num_recs = 0;
char *buf;
struct llog_rec_hdr rec;
ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
LASSERT(ctxt);
lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
lmr.lmr_hdr.lrh_type = 0xf00f00;
sprintf(name, "%x", llog_test_rand + 1);
CWARN("4a: create a catalog log with name: %s\n", name);
rc = llog_open_create(env, ctxt, &cath, NULL, name);
if (rc) {
CERROR("4a: llog_create with name %s failed: %d\n", name, rc);
GOTO(ctxt_release, rc);
}
rc = llog_init_handle(env, cath, LLOG_F_IS_CAT, &uuid);
if (rc) {
CERROR("4a: can't init llog handle: %d\n", rc);
GOTO(out, rc);
}
num_recs++;
cat_logid = cath->lgh_id;
CWARN("4b: write 1 record into the catalog\n");
rc = llog_cat_add(env, cath, &lmr.lmr_hdr, &cookie, NULL);
if (rc != 1) {
CERROR("4b: write 1 catalog record failed at: %d\n", rc);
GOTO(out, rc);
}
num_recs++;
rc = verify_handle("4b", cath, 2);
if (rc)
GOTO(out, rc);
rc = verify_handle("4b", cath->u.chd.chd_current_log, num_recs);
if (rc)
GOTO(out, rc);
CWARN("4c: cancel 1 log record\n");
rc = llog_cat_cancel_records(env, cath, 1, &cookie);
if (rc) {
CERROR("4c: cancel 1 catalog based record failed: %d\n", rc);
GOTO(out, rc);
}
num_recs--;
rc = verify_handle("4c", cath->u.chd.chd_current_log, num_recs);
if (rc)
GOTO(out, rc);
CWARN("4d: write %d more log records\n", LLOG_TEST_RECNUM);
for (i = 0; i < LLOG_TEST_RECNUM; i++) {
rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL, NULL);
if (rc) {
CERROR("4d: write %d records failed at #%d: %d\n",
LLOG_TEST_RECNUM, i + 1, rc);
GOTO(out, rc);
}
num_recs++;
}
/* make sure new plain llog appears */
rc = verify_handle("4d", cath, 3);
if (rc)
GOTO(out, rc);
CWARN("4e: add 5 large records, one record per block\n");
buflen = LLOG_CHUNK_SIZE - sizeof(struct llog_rec_hdr) -
sizeof(struct llog_rec_tail);
OBD_ALLOC(buf, buflen);
if (buf == NULL)
GOTO(out, rc = -ENOMEM);
for (i = 0; i < 5; i++) {
rec.lrh_len = buflen;
rec.lrh_type = OBD_CFG_REC;
rc = llog_cat_add(env, cath, &rec, NULL, buf);
if (rc) {
CERROR("4e: write 5 records failed at #%d: %d\n",
i + 1, rc);
GOTO(out_free, rc);
}
num_recs++;
}
out_free:
OBD_FREE(buf, buflen);
out:
CWARN("4f: put newly-created catalog\n");
rc2 = llog_cat_close(env, cath);
if (rc2) {
CERROR("4: close log %s failed: %d\n", name, rc2);
if (rc == 0)
rc = rc2;
}
ctxt_release:
llog_ctxt_put(ctxt);
return rc;
}
static int cat_counter;
static int cat_print_cb(const struct lu_env *env, struct llog_handle *llh,
struct llog_rec_hdr *rec, void *data)
{
struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
struct lu_fid fid = {0};
if (rec->lrh_type != LLOG_LOGID_MAGIC) {
CERROR("invalid record in catalog\n");
return -EINVAL;
}
logid_to_fid(&lir->lid_id, &fid);
CWARN("seeing record at index %d - "DFID" in log "DFID"\n",
rec->lrh_index, PFID(&fid),
PFID(lu_object_fid(&llh->lgh_obj->do_lu)));
cat_counter++;
return 0;
}
static int plain_counter;
static int plain_print_cb(const struct lu_env *env, struct llog_handle *llh,
struct llog_rec_hdr *rec, void *data)
{
struct lu_fid fid = {0};
if (!(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN)) {
CERROR("log is not plain\n");
return -EINVAL;
}
logid_to_fid(&llh->lgh_id, &fid);
CDEBUG(D_INFO, "seeing record at index %d in log "DFID"\n",
rec->lrh_index, PFID(&fid));
plain_counter++;
return 0;
}
static int cancel_count;
static int llog_cancel_rec_cb(const struct lu_env *env,
struct llog_handle *llh,
struct llog_rec_hdr *rec, void *data)
{
struct llog_cookie cookie;
if (!(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN)) {
CERROR("log is not plain\n");
return -EINVAL;
}
cookie.lgc_lgl = llh->lgh_id;
cookie.lgc_index = rec->lrh_index;
llog_cat_cancel_records(env, llh->u.phd.phd_cat_handle, 1, &cookie);
cancel_count++;
if (cancel_count == LLOG_TEST_RECNUM)
return -LLOG_EEMPTY;
return 0;
}
/* Test log and catalogue processing */
static int llog_test_5(const struct lu_env *env, struct obd_device *obd)
{
struct llog_handle *llh = NULL;
char name[10];
int rc, rc2;
struct llog_mini_rec lmr;
struct llog_ctxt *ctxt;
ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
LASSERT(ctxt);
lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len = LLOG_MIN_REC_SIZE;
lmr.lmr_hdr.lrh_type = 0xf00f00;
CWARN("5a: re-open catalog by id\n");
rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS);
if (rc) {
CERROR("5a: llog_create with logid failed: %d\n", rc);
GOTO(out_put, rc);
}
rc = llog_init_handle(env, llh, LLOG_F_IS_CAT, &uuid);
if (rc) {
CERROR("5a: can't init llog handle: %d\n", rc);
GOTO(out, rc);
}
CWARN("5b: print the catalog entries.. we expect 2\n");
cat_counter = 0;
rc = llog_process(env, llh, cat_print_cb, "test 5", NULL);
if (rc) {
CERROR("5b: process with cat_print_cb failed: %d\n", rc);
GOTO(out, rc);
}
if (cat_counter != 2) {
CERROR("5b: %d entries in catalog\n", cat_counter);
GOTO(out, rc = -EINVAL);
}
CWARN("5c: Cancel %d records, see one log zapped\n", LLOG_TEST_RECNUM);
cancel_count = 0;
rc = llog_cat_process(env, llh, llog_cancel_rec_cb, "foobar", 0, 0);
if (rc != -LLOG_EEMPTY) {
CERROR("5c: process with cat_cancel_cb failed: %d\n", rc);
GOTO(out, rc);
}
CWARN("5c: print the catalog entries.. we expect 1\n");
cat_counter = 0;
rc = llog_process(env, llh, cat_print_cb, "test 5", NULL);
if (rc) {
CERROR("5c: process with cat_print_cb failed: %d\n", rc);
GOTO(out, rc);
}
if (cat_counter != 1) {
CERROR("5c: %d entries in catalog\n", cat_counter);
GOTO(out, rc = -EINVAL);
}
CWARN("5d: add 1 record to the log with many canceled empty pages\n");
rc = llog_cat_add(env, llh, &lmr.lmr_hdr, NULL, NULL);
if (rc) {
CERROR("5d: add record to the log with many canceled empty "
"pages failed\n");
GOTO(out, rc);
}
CWARN("5e: print plain log entries.. expect 6\n");
plain_counter = 0;
rc = llog_cat_process(env, llh, plain_print_cb, "foobar", 0, 0);
if (rc) {
CERROR("5e: process with plain_print_cb failed: %d\n", rc);
GOTO(out, rc);
}
if (plain_counter != 6) {
CERROR("5e: found %d records\n", plain_counter);
GOTO(out, rc = -EINVAL);
}
CWARN("5f: print plain log entries reversely.. expect 6\n");
plain_counter = 0;
rc = llog_cat_reverse_process(env, llh, plain_print_cb, "foobar");
if (rc) {
CERROR("5f: reversely process with plain_print_cb failed:"
"%d\n", rc);
GOTO(out, rc);
}
if (plain_counter != 6) {
CERROR("5f: found %d records\n", plain_counter);
GOTO(out, rc = -EINVAL);
}
out:
CWARN("5g: close re-opened catalog\n");
rc2 = llog_cat_close(env, llh);
if (rc2) {
CERROR("5g: close log %s failed: %d\n", name, rc2);
if (rc == 0)
rc = rc2;
}
out_put:
llog_ctxt_put(ctxt);
return rc;
}
/* Test client api; open log by name and process */
static int llog_test_6(const struct lu_env *env, struct obd_device *obd,
char *name)
{
struct obd_device *mgc_obd;
struct llog_ctxt *ctxt;
struct obd_uuid *mgs_uuid;
struct obd_export *exp;
struct obd_uuid uuid = { "LLOG_TEST6_UUID" };
struct llog_handle *llh = NULL;
struct llog_ctxt *nctxt;
int rc, rc2;
ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
LASSERT(ctxt);
mgs_uuid = &ctxt->loc_exp->exp_obd->obd_uuid;
CWARN("6a: re-open log %s using client API\n", name);
mgc_obd = class_find_client_obd(mgs_uuid, LUSTRE_MGC_NAME, NULL);
if (mgc_obd == NULL) {
CERROR("6a: no MGC devices connected to %s found.\n",
mgs_uuid->uuid);
GOTO(ctxt_release, rc = -ENOENT);
}
rc = obd_connect(NULL, &exp, mgc_obd, &uuid,
NULL /* obd_connect_data */, NULL);
if (rc != -EALREADY) {
CERROR("6a: connect on connected MGC (%s) failed to return"
" -EALREADY", mgc_obd->obd_name);
if (rc == 0)
obd_disconnect(exp);
GOTO(ctxt_release, rc = -EINVAL);
}
nctxt = llog_get_context(mgc_obd, LLOG_CONFIG_REPL_CTXT);
rc = llog_open(env, nctxt, &llh, NULL, name, LLOG_OPEN_EXISTS);
if (rc) {
CERROR("6a: llog_open failed %d\n", rc);
GOTO(nctxt_put, rc);
}
rc = llog_init_handle(env, llh, LLOG_F_IS_PLAIN, NULL);
if (rc) {
CERROR("6a: llog_init_handle failed %d\n", rc);
GOTO(parse_out, rc);
}
plain_counter = 1; /* llog header is first record */
CWARN("6b: process log %s using client API\n", name);
rc = llog_process(env, llh, plain_print_cb, NULL, NULL);
if (rc)
CERROR("6b: llog_process failed %d\n", rc);
CWARN("6b: processed %d records\n", plain_counter);
rc = verify_handle("6b", llh, plain_counter);
if (rc)
GOTO(parse_out, rc);
plain_counter = 1; /* llog header is first record */
CWARN("6c: process log %s reversely using client API\n", name);
rc = llog_reverse_process(env, llh, plain_print_cb, NULL, NULL);
if (rc)
CERROR("6c: llog_reverse_process failed %d\n", rc);
CWARN("6c: processed %d records\n", plain_counter);
rc = verify_handle("6c", llh, plain_counter);
if (rc)
GOTO(parse_out, rc);
parse_out:
rc2 = llog_close(env, llh);
if (rc2) {
CERROR("6: llog_close failed: rc = %d\n", rc2);
if (rc == 0)
rc = rc2;
}
nctxt_put:
llog_ctxt_put(nctxt);
ctxt_release:
llog_ctxt_put(ctxt);
return rc;
}
static union {
struct llog_rec_hdr lrh; /* common header */
struct llog_logid_rec llr; /* LLOG_LOGID_MAGIC */
struct llog_unlink64_rec lur; /* MDS_UNLINK64_REC */
struct llog_setattr64_rec lsr64; /* MDS_SETATTR64_REC */
struct llog_size_change_rec lscr; /* OST_SZ_REC */
struct llog_changelog_rec lcr; /* CHANGELOG_REC */
struct llog_changelog_user_rec lcur; /* CHANGELOG_USER_REC */
struct llog_gen_rec lgr; /* LLOG_GEN_REC */
} llog_records;
static int test_7_print_cb(const struct lu_env *env, struct llog_handle *llh,
struct llog_rec_hdr *rec, void *data)
{
struct lu_fid fid = {0};
logid_to_fid(&llh->lgh_id, &fid);
CDEBUG(D_OTHER, "record type %#x at index %d in log "DFID"\n",
rec->lrh_type, rec->lrh_index, PFID(&fid));
plain_counter++;
return 0;
}
static int test_7_cancel_cb(const struct lu_env *env, struct llog_handle *llh,
struct llog_rec_hdr *rec, void *data)
{
plain_counter++;
/* test LLOG_DEL_RECORD is working */
return LLOG_DEL_RECORD;
}
static int llog_test_7_sub(const struct lu_env *env, struct llog_ctxt *ctxt)
{
struct llog_handle *llh;
int rc = 0, i, process_count;
int num_recs = 0;
rc = llog_open_create(env, ctxt, &llh, NULL, NULL);
if (rc) {
CERROR("7_sub: create log failed\n");
return rc;
}
rc = llog_init_handle(env, llh,
LLOG_F_IS_PLAIN | LLOG_F_ZAP_WHEN_EMPTY,
&uuid);
if (rc) {
CERROR("7_sub: can't init llog handle: %d\n", rc);
GOTO(out_close, rc);
}
for (i = 0; i < LLOG_BITMAP_SIZE(llh->lgh_hdr); i++) {
rc = llog_write(env, llh, &llog_records.lrh, NULL, 0,
NULL, -1);
if (rc == -ENOSPC) {
break;
} else if (rc < 0) {
CERROR("7_sub: write recs failed at #%d: %d\n",
i + 1, rc);
GOTO(out_close, rc);
}
num_recs++;
}
if (rc != -ENOSPC) {
CWARN("7_sub: write record more than BITMAP size!\n");
GOTO(out_close, rc = -EINVAL);
}
rc = verify_handle("7_sub", llh, num_recs + 1);
if (rc) {
CERROR("7_sub: verify handle failed: %d\n", rc);
GOTO(out_close, rc);
}
if (num_recs < LLOG_BITMAP_SIZE(llh->lgh_hdr) - 1)
CWARN("7_sub: records are not aligned, written %d from %u\n",
num_recs, LLOG_BITMAP_SIZE(llh->lgh_hdr) - 1);
plain_counter = 0;
rc = llog_process(env, llh, test_7_print_cb, "test 7", NULL);
if (rc) {
CERROR("7_sub: llog process failed: %d\n", rc);
GOTO(out_close, rc);
}
process_count = plain_counter;
if (process_count != num_recs) {
CERROR("7_sub: processed %d records from %d total\n",
process_count, num_recs);
GOTO(out_close, rc = -EINVAL);
}
plain_counter = 0;
rc = llog_reverse_process(env, llh, test_7_cancel_cb, "test 7", NULL);
if (rc) {
CERROR("7_sub: reverse llog process failed: %d\n", rc);
GOTO(out_close, rc);
}
if (process_count != plain_counter) {
CERROR("7_sub: Reverse/direct processing found different"
"number of records: %d/%d\n",
plain_counter, process_count);
GOTO(out_close, rc = -EINVAL);
}
if (llog_exist(llh)) {
CERROR("7_sub: llog exists but should be zapped\n");
GOTO(out_close, rc = -EEXIST);
}
rc = verify_handle("7_sub", llh, 1);
out_close:
if (rc)
llog_destroy(env, llh);
llog_close(env, llh);
return rc;
}
/* Test all llog records writing and processing */
static int llog_test_7(const struct lu_env *env, struct obd_device *obd)
{
struct llog_ctxt *ctxt;
int rc;
ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
CWARN("7a: test llog_logid_rec\n");
llog_records.llr.lid_hdr.lrh_len = sizeof(llog_records.llr);
llog_records.llr.lid_tail.lrt_len = sizeof(llog_records.llr);
llog_records.llr.lid_hdr.lrh_type = LLOG_LOGID_MAGIC;
rc = llog_test_7_sub(env, ctxt);
if (rc) {
CERROR("7a: llog_logid_rec test failed\n");
GOTO(out, rc);
}
CWARN("7b: test llog_unlink64_rec\n");
llog_records.lur.lur_hdr.lrh_len = sizeof(llog_records.lur);
llog_records.lur.lur_tail.lrt_len = sizeof(llog_records.lur);
llog_records.lur.lur_hdr.lrh_type = MDS_UNLINK64_REC;
rc = llog_test_7_sub(env, ctxt);
if (rc) {
CERROR("7b: llog_unlink_rec test failed\n");
GOTO(out, rc);
}
CWARN("7c: test llog_setattr64_rec\n");
llog_records.lsr64.lsr_hdr.lrh_len = sizeof(llog_records.lsr64);
llog_records.lsr64.lsr_tail.lrt_len = sizeof(llog_records.lsr64);
llog_records.lsr64.lsr_hdr.lrh_type = MDS_SETATTR64_REC;
rc = llog_test_7_sub(env, ctxt);
if (rc) {
CERROR("7c: llog_setattr64_rec test failed\n");
GOTO(out, rc);
}
CWARN("7d: test llog_size_change_rec\n");
llog_records.lscr.lsc_hdr.lrh_len = sizeof(llog_records.lscr);
llog_records.lscr.lsc_tail.lrt_len = sizeof(llog_records.lscr);
llog_records.lscr.lsc_hdr.lrh_type = OST_SZ_REC;
rc = llog_test_7_sub(env, ctxt);
if (rc) {
CERROR("7d: llog_size_change_rec test failed\n");
GOTO(out, rc);
}
CWARN("7e: test llog_changelog_rec\n");
llog_records.lcr.cr_hdr.lrh_len = sizeof(llog_records.lcr);
llog_records.lcr.cr_tail.lrt_len = sizeof(llog_records.lcr);
llog_records.lcr.cr_hdr.lrh_type = CHANGELOG_REC;
rc = llog_test_7_sub(env, ctxt);
if (rc) {
CERROR("7e: llog_changelog_rec test failed\n");
GOTO(out, rc);
}
CWARN("7f: test llog_changelog_user_rec\n");
llog_records.lcur.cur_hdr.lrh_len = sizeof(llog_records.lcur);
llog_records.lcur.cur_tail.lrt_len = sizeof(llog_records.lcur);
llog_records.lcur.cur_hdr.lrh_type = CHANGELOG_USER_REC;
rc = llog_test_7_sub(env, ctxt);
if (rc) {
CERROR("7f: llog_changelog_user_rec test failed\n");
GOTO(out, rc);
}
CWARN("7g: test llog_gen_rec\n");
llog_records.lgr.lgr_hdr.lrh_len = sizeof(llog_records.lgr);
llog_records.lgr.lgr_tail.lrt_len = sizeof(llog_records.lgr);
llog_records.lgr.lgr_hdr.lrh_type = LLOG_GEN_REC;
rc = llog_test_7_sub(env, ctxt);
if (rc) {
CERROR("7g: llog_size_change_rec test failed\n");
GOTO(out, rc);
}
out:
llog_ctxt_put(ctxt);
return rc;
}
/* -------------------------------------------------------------------------
* Tests above, boring obd functions below
* ------------------------------------------------------------------------- */
static int llog_run_tests(const struct lu_env *env, struct obd_device *obd)
{
struct llog_handle *llh = NULL;
struct llog_ctxt *ctxt;
int rc, err;
char name[10];
ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
LASSERT(ctxt);
sprintf(name, "%x", llog_test_rand);
rc = llog_test_1(env, obd, name);
if (rc)
GOTO(cleanup_ctxt, rc);
rc = llog_test_2(env, obd, name, &llh);
if (rc)
GOTO(cleanup_ctxt, rc);
rc = llog_test_3(env, obd, llh);
if (rc)
GOTO(cleanup, rc);
rc = llog_test_4(env, obd);
if (rc)
GOTO(cleanup, rc);
rc = llog_test_5(env, obd);
if (rc)
GOTO(cleanup, rc);
rc = llog_test_6(env, obd, name);
if (rc)
GOTO(cleanup, rc);
rc = llog_test_7(env, obd);
if (rc)
GOTO(cleanup, rc);
cleanup:
err = llog_destroy(env, llh);
if (err)
CERROR("cleanup: llog_destroy failed: %d\n", err);
llog_close(env, llh);
if (rc == 0)
rc = err;
cleanup_ctxt:
llog_ctxt_put(ctxt);
return rc;
}
#ifdef LPROCFS
static struct lprocfs_vars lprocfs_llog_test_obd_vars[] = { {0} };
static struct lprocfs_vars lprocfs_llog_test_module_vars[] = { {0} };
static void lprocfs_llog_test_init_vars(struct lprocfs_static_vars *lvars)
{
lvars->module_vars = lprocfs_llog_test_module_vars;
lvars->obd_vars = lprocfs_llog_test_obd_vars;
}
#else
static void lprocfs_llog_test_init_vars(struct lprocfs_static_vars *lvars)
{
}
#endif
static int llog_test_cleanup(struct obd_device *obd)
{
struct obd_device *tgt;
struct lu_env env;
int rc;
rc = lu_env_init(&env, LCT_LOCAL | LCT_MG_THREAD);
if (rc)
return rc;
tgt = obd->obd_lvfs_ctxt.dt->dd_lu_dev.ld_obd;
rc = llog_cleanup(&env, llog_get_context(tgt, LLOG_TEST_ORIG_CTXT));
if (rc)
CERROR("failed to llog_test_llog_finish: %d\n", rc);
lu_env_fini(&env);
return rc;
}
static int llog_test_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
{
struct obd_device *tgt;
struct llog_ctxt *ctxt;
struct dt_object *o;
struct lu_env env;
struct lu_context test_session;
int rc;
if (lcfg->lcfg_bufcount < 2) {
CERROR("requires a TARGET OBD name\n");
return -EINVAL;
}
if (lcfg->lcfg_buflens[1] < 1) {
CERROR("requires a TARGET OBD name\n");
return -EINVAL;
}
/* disk obd */
tgt = class_name2obd(lustre_cfg_string(lcfg, 1));
if (!tgt || !tgt->obd_attached || !tgt->obd_set_up) {
CERROR("target device not attached or not set up (%s)\n",
lustre_cfg_string(lcfg, 1));
return -EINVAL;
}
rc = lu_env_init(&env, LCT_LOCAL | LCT_MG_THREAD);
if (rc)
return rc;
rc = lu_context_init(&test_session, LCT_SESSION);
if (rc)
GOTO(cleanup_env, rc);
test_session.lc_thread = (struct ptlrpc_thread *)current;
lu_context_enter(&test_session);
env.le_ses = &test_session;
CWARN("Setup llog-test device over %s device\n",
lustre_cfg_string(lcfg, 1));
OBD_SET_CTXT_MAGIC(&obd->obd_lvfs_ctxt);
obd->obd_lvfs_ctxt.dt = lu2dt_dev(tgt->obd_lu_dev);
rc = llog_setup(&env, tgt, &tgt->obd_olg, LLOG_TEST_ORIG_CTXT, tgt,
&llog_osd_ops);
if (rc)
GOTO(cleanup_session, rc);
/* use MGS llog dir for tests */
ctxt = llog_get_context(tgt, LLOG_CONFIG_ORIG_CTXT);
LASSERT(ctxt);
o = ctxt->loc_dir;
llog_ctxt_put(ctxt);
ctxt = llog_get_context(tgt, LLOG_TEST_ORIG_CTXT);
LASSERT(ctxt);
ctxt->loc_dir = o;
llog_ctxt_put(ctxt);
llog_test_rand = cfs_rand();
rc = llog_run_tests(&env, tgt);
if (rc)
llog_test_cleanup(obd);
cleanup_session:
lu_context_exit(&test_session);
lu_context_fini(&test_session);
cleanup_env:
lu_env_fini(&env);
return rc;
}
static struct obd_ops llog_obd_ops = {
.o_owner = THIS_MODULE,
.o_setup = llog_test_setup,
.o_cleanup = llog_test_cleanup,
};
static int __init llog_test_init(void)
{
struct lprocfs_static_vars uninitialized_var(lvars);
lprocfs_llog_test_init_vars(&lvars);
return class_register_type(&llog_obd_ops, NULL,
lvars.module_vars, "llog_test", NULL);
}
static void __exit llog_test_exit(void)
{
class_unregister_type("llog_test");
}
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("llog test module");
MODULE_LICENSE("GPL");
module_init(llog_test_init);
module_exit(llog_test_exit);
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