summaryrefslogtreecommitdiff
path: root/drivers/staging/lustre/lustre/obdclass/llog_test.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/lustre/lustre/obdclass/llog_test.c')
-rw-r--r--drivers/staging/lustre/lustre/obdclass/llog_test.c1087
1 files changed, 1087 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/obdclass/llog_test.c b/drivers/staging/lustre/lustre/obdclass/llog_test.c
new file mode 100644
index 000000000000..d397f781ec43
--- /dev/null
+++ b/drivers/staging/lustre/lustre/obdclass/llog_test.c
@@ -0,0 +1,1087 @@
+/*
+ * 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;
+
+ ENTRY;
+
+ 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;
+
+ ENTRY;
+
+ 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 */
+
+ ENTRY;
+
+ 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;
+
+ ENTRY;
+
+ 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;
+
+ ENTRY;
+
+ 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;
+
+ ENTRY;
+
+ 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;
+
+ ENTRY;
+
+ 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];
+
+ ENTRY;
+ 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;
+}
+#endif
+
+static int llog_test_cleanup(struct obd_device *obd)
+{
+ struct obd_device *tgt;
+ struct lu_env env;
+ int rc;
+
+ ENTRY;
+
+ 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;
+
+ ENTRY;
+
+ 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 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);
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-04 04:07:52 +0000