+++ /dev/null
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * Copyright (C) 2003 Cluster File Systems, Inc.
- * Author: Phil Schwan <phil@clusterfs.com>
- *
- * This file is part of Lustre, http://www.lustre.org/
- *
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * Lustre 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 for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * A kernel module which tests the llog API from the OBD setup function.
- */
-
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
-#define DEBUG_SUBSYSTEM S_CLASS
-
-#include <linux/module.h>
-#include <linux/init.h>
-
-#include <linux/obd_class.h>
-#include <linux/lustre_log.h>
-#include <linux/lustre_mds.h> /* for LUSTRE_MDC_NAME */
-
-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;
- __u32 padding[2];
- 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 (le32_to_cpu(llh->lgh_hdr->llh_count) != num_recs) {
- CERROR("%s: handle->count is %d, expected %d after write\n",
- test, le32_to_cpu(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(struct obd_device *obd, char *name)
-{
- struct llog_handle *llh;
- struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
- int rc;
- int rc2;
- ENTRY;
-
- CERROR("1a: create a log with name: %s\n", name);
- LASSERT(ctxt);
-
- rc = llog_create(ctxt, &llh, NULL, name);
- if (rc) {
- CERROR("1a: llog_create with name %s failed: %d\n", name, rc);
- RETURN(rc);
- }
- llog_init_handle(llh, LLOG_F_IS_PLAIN, &uuid);
-
- if ((rc = verify_handle("1", llh, 1)))
- GOTO(out, rc);
-
- out:
- CERROR("1b: close newly-created log\n");
- rc2 = llog_close(llh);
- if (rc2) {
- CERROR("1b: close log %s failed: %d\n", name, rc2);
- if (rc == 0)
- rc = rc2;
- }
- RETURN(rc);
-}
-
-/* Test named-log reopen; returns opened log on success */
-static int llog_test_2(struct obd_device *obd, char *name,
- struct llog_handle **llh)
-{
- struct llog_handle *loghandle;
- struct llog_logid logid;
- int rc;
- struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
- ENTRY;
-
- CERROR("2a: re-open a log with name: %s\n", name);
- rc = llog_create(ctxt, llh, NULL, name);
- if (rc) {
- CERROR("2a: re-open log with name %s failed: %d\n", name, rc);
- RETURN(rc);
- }
- llog_init_handle(*llh, LLOG_F_IS_PLAIN, &uuid);
-
- if ((rc = verify_handle("2", *llh, 1)))
- RETURN(rc);
-
- CERROR("2b: create a log without specified NAME & LOGID\n");
- rc = llog_create(ctxt, &loghandle, NULL, NULL);
- if (rc) {
- CERROR("2b: create log failed\n");
- RETURN(rc);
- }
- llog_init_handle(loghandle, LLOG_F_IS_PLAIN, &uuid);
- logid = loghandle->lgh_id;
- llog_close(loghandle);
-
- CERROR("2b: re-open the log by LOGID\n");
- rc = llog_create(ctxt, &loghandle, &logid, NULL);
- if (rc) {
- CERROR("2b: re-open log by LOGID failed\n");
- RETURN(rc);
- }
- llog_init_handle(loghandle, LLOG_F_IS_PLAIN, &uuid);
-
- CERROR("2b: destroy this log\n");
- rc = llog_destroy(loghandle);
- if (rc) {
- CERROR("2b: destroy log failed\n");
- RETURN(rc);
- }
- llog_free_handle(loghandle);
-
- RETURN(rc);
-}
-
-/* Test record writing, single and in bulk */
-static int llog_test_3(struct obd_device *obd, struct llog_handle *llh)
-{
- struct llog_create_rec lcr;
- int rc, i;
- int num_recs = 1; /* 1 for the header */
- ENTRY;
-
- lcr.lcr_hdr.lrh_len = lcr.lcr_tail.lrt_len = cpu_to_le32(sizeof(lcr));
- lcr.lcr_hdr.lrh_type = cpu_to_le32(OST_SZ_REC);
-
- CERROR("3a: write one create_rec\n");
- rc = llog_write_rec(llh, &lcr.lcr_hdr, NULL, 0, NULL, -1);
- num_recs++;
- if (rc) {
- CERROR("3a: write one log record failed: %d\n", rc);
- RETURN(rc);
- }
-
- if ((rc = verify_handle("3a", llh, num_recs)))
- RETURN(rc);
-
- CERROR("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 = cpu_to_le32(8);
- hdr.lrh_type = cpu_to_le32(OBD_CFG_REC);
- memset(buf, 0, sizeof buf);
- rc = llog_write_rec(llh, &hdr, NULL, 0, buf, -1);
- if (rc) {
- CERROR("3b: write 10 records failed at #%d: %d\n",
- i + 1, rc);
- RETURN(rc);
- }
- num_recs++;
- if ((rc = verify_handle("3c", llh, num_recs)))
- RETURN(rc);
- }
-
- if ((rc = verify_handle("3b", llh, num_recs)))
- RETURN(rc);
-
- CERROR("3c: write 1000 more log records\n");
- for (i = 0; i < 1000; i++) {
- rc = llog_write_rec(llh, &lcr.lcr_hdr, NULL, 0, NULL, -1);
- if (rc) {
- CERROR("3c: write 1000 records failed at #%d: %d\n",
- i + 1, rc);
- RETURN(rc);
- }
- num_recs++;
- if ((rc = verify_handle("3b", llh, num_recs)))
- RETURN(rc);
- }
-
- if ((rc = verify_handle("3c", llh, num_recs)))
- RETURN(rc);
-
- RETURN(rc);
-}
-
-/* Test catalogue additions */
-static int llog_test_4(struct obd_device *obd)
-{
- struct llog_handle *cath;
- char name[10];
- int rc, i, buflen;
- struct llog_mini_rec lmr;
- struct llog_cookie cookie;
- struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
- int num_recs = 0;
- char *buf;
- struct llog_rec_hdr rec;
-
- ENTRY;
-
- lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len =
- cpu_to_le32(LLOG_MIN_REC_SIZE);
- lmr.lmr_hdr.lrh_type = cpu_to_le32(0xf00f00);
-
- sprintf(name, "%x", llog_test_rand+1);
- CERROR("4a: create a catalog log with name: %s\n", name);
- rc = llog_create(ctxt, &cath, NULL, name);
- if (rc) {
- CERROR("1a: llog_create with name %s failed: %d\n", name, rc);
- GOTO(out, rc);
- }
- llog_init_handle(cath, LLOG_F_IS_CAT, &uuid);
- num_recs++;
- cat_logid = cath->lgh_id;
-
- CERROR("4b: write 1 record into the catalog\n");
- rc = llog_cat_add_rec(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++;
- if ((rc = verify_handle("4b", cath, 2)))
- RETURN(rc);
-
- if ((rc = verify_handle("4b", cath->u.chd.chd_current_log, num_recs)))
- RETURN(rc);
-
- CERROR("4c: cancel 1 log record\n");
- rc = llog_cat_cancel_records(cath, 1, &cookie);
- if (rc) {
- CERROR("4c: cancel 1 catalog based record failed: %d\n", rc);
- GOTO(out, rc);
- }
- num_recs--;
-
- if ((rc = verify_handle("4c", cath->u.chd.chd_current_log, num_recs)))
- RETURN(rc);
-
- CERROR("4d: write 40,000 more log records\n");
- for (i = 0; i < 40000; i++) {
- rc = llog_cat_add_rec(cath, &lmr.lmr_hdr, NULL, NULL);
- if (rc) {
- CERROR("4d: write 40000 records failed at #%d: %d\n",
- i + 1, rc);
- GOTO(out, rc);
- }
- num_recs++;
- }
-
- CERROR("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 = cpu_to_le32(buflen);
- rec.lrh_type = cpu_to_le32(OBD_CFG_REC);
- rc = llog_cat_add_rec(cath, &rec, NULL, buf);
- if (rc) {
- CERROR("4e: write 5 records failed at #%d: %d\n",
- i + 1, rc);
- OBD_FREE(buf, buflen);
- GOTO(out, rc);
- }
- num_recs++;
- }
- OBD_FREE(buf, buflen);
-
- out:
- CERROR("4f: put newly-created catalog\n");
- rc = llog_cat_put(cath);
- if (rc)
- CERROR("1b: close log %s failed: %d\n", name, rc);
- RETURN(rc);
-}
-
-static int cat_print_cb(struct llog_handle *llh, struct llog_rec_hdr *rec,
- void *data)
-{
- struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
-
- if (le32_to_cpu(rec->lrh_type) != LLOG_LOGID_MAGIC) {
- CERROR("invalid record in catalog\n");
- RETURN(-EINVAL);
- }
-
- CERROR("seeing record at index %d - "LPX64":%x in log "LPX64"\n",
- le32_to_cpu(rec->lrh_index), lir->lid_id.lgl_oid,
- lir->lid_id.lgl_ogen, llh->lgh_id.lgl_oid);
- RETURN(0);
-}
-
-static int plain_print_cb(struct llog_handle *llh, struct llog_rec_hdr *rec,
- void *data)
-{
- if (!le32_to_cpu(llh->lgh_hdr->llh_flags) & LLOG_F_IS_PLAIN) {
- CERROR("log is not plain\n");
- RETURN(-EINVAL);
- }
-
- CERROR("seeing record at index %d in log "LPX64"\n",
- le32_to_cpu(rec->lrh_index), llh->lgh_id.lgl_oid);
- RETURN(0);
-}
-
-static int llog_cancel_rec_cb(struct llog_handle *llh, struct llog_rec_hdr *rec,
- void *data)
-{
- struct llog_cookie cookie;
- static int i = 0;
-
- if (!le32_to_cpu(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 = le32_to_cpu(rec->lrh_index);
-
- llog_cat_cancel_records(llh->u.phd.phd_cat_handle, 1, &cookie);
- i++;
- if (i == 40000)
- RETURN(-4711);
- RETURN(0);
-}
-
-
-
-/* Test log and catalogue processing */
-static int llog_test_5(struct obd_device *obd)
-{
- struct llog_handle *llh = NULL;
- char name[10];
- int rc;
- struct llog_mini_rec lmr;
- struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
-
- ENTRY;
-
- lmr.lmr_hdr.lrh_len = lmr.lmr_tail.lrt_len =
- cpu_to_le32(LLOG_MIN_REC_SIZE);
- lmr.lmr_hdr.lrh_type = cpu_to_le32(0xf00f00);
-
- CERROR("5a: re-open catalog by id\n");
- rc = llog_create(ctxt, &llh, &cat_logid, NULL);
- if (rc) {
- CERROR("5a: llog_create with logid failed: %d\n", rc);
- GOTO(out, rc);
- }
- llog_init_handle(llh, LLOG_F_IS_CAT, &uuid);
-
- CERROR("5b: print the catalog entries.. we expect 2\n");
- rc = llog_process(llh, (llog_cb_t)cat_print_cb, "test 5");
- if (rc) {
- CERROR("5b: process with cat_print_cb failed: %d\n", rc);
- GOTO(out, rc);
- }
-
- CERROR("5c: Cancel 40000 records, see one log zapped\n");
- rc = llog_cat_process(llh, llog_cancel_rec_cb, "foobar");
- if (rc != -4711) {
- CERROR("5c: process with cat_cancel_cb failed: %d\n", rc);
- GOTO(out, rc);
- }
-
- CERROR("5d: add 1 record to the log with many canceled empty pages\n");
- rc = llog_cat_add_rec(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);
- }
-
- CERROR("5b: print the catalog entries.. we expect 1\n");
- rc = llog_process(llh, (llog_cb_t)cat_print_cb, "test 5");
- if (rc) {
- CERROR("5b: process with cat_print_cb failed: %d\n", rc);
- GOTO(out, rc);
- }
-
- CERROR("5e: print plain log entries.. expect 6\n");
- rc = llog_cat_process(llh, plain_print_cb, "foobar");
- if (rc) {
- CERROR("5e: process with plain_print_cb failed: %d\n", rc);
- GOTO(out, rc);
- }
-
- out:
- CERROR("5: close re-opened catalog\n");
- if (llh)
- rc = llog_cat_put(llh);
- if (rc)
- CERROR("1b: close log %s failed: %d\n", name, rc);
- RETURN(rc);
-}
-
-/* Test client api; open log by name and process */
-static int llog_test_6(struct obd_device *obd, char *name)
-{
- struct obd_device *mdc_obd;
- struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
- struct obd_uuid *mds_uuid = &ctxt->loc_exp->exp_obd->obd_uuid;
- struct lustre_handle exph = {0, };
- struct obd_export *exp;
- struct obd_uuid uuid = {"LLOG_TEST6_UUID"};
- struct llog_handle *llh = NULL;
- struct llog_ctxt *nctxt;
- int rc;
-
- CERROR("6a: re-open log %s using client API\n", name);
- mdc_obd = class_find_client_obd(mds_uuid, LUSTRE_MDC_NAME, NULL);
- if (mdc_obd == NULL) {
- CERROR("6: no MDC devices connected to %s found.\n",
- mds_uuid->uuid);
- RETURN(-ENOENT);
- }
-
- rc = obd_connect(&exph, mdc_obd, &uuid);
- if (rc) {
- CERROR("6: failed to connect to MDC: %s\n", mdc_obd->obd_name);
- RETURN(rc);
- }
- exp = class_conn2export(&exph);
-
- nctxt = llog_get_context(mdc_obd, LLOG_CONFIG_REPL_CTXT);
- rc = llog_create(nctxt, &llh, NULL, name);
- if (rc) {
- CERROR("6: llog_create failed %d\n", rc);
- RETURN(rc);
- }
-
- rc = llog_init_handle(llh, LLOG_F_IS_PLAIN, NULL);
- if (rc) {
- CERROR("6: llog_init_handle failed %d\n", rc);
- GOTO(parse_out, rc);
- }
-
- rc = llog_process(llh, (llog_cb_t)plain_print_cb, NULL);
- if (rc)
- CERROR("6: llog_process failed %d\n", rc);
-
-parse_out:
- rc = llog_close(llh);
- if (rc) {
- CERROR("6: llog_close failed: rc = %d\n", rc);
- }
-
- rc = obd_disconnect(exp, 0);
-
- RETURN(rc);
-}
-
-/* -------------------------------------------------------------------------
- * Tests above, boring obd functions below
- * ------------------------------------------------------------------------- */
-static int llog_run_tests(struct obd_device *obd)
-{
- struct llog_handle *llh;
- struct obd_run_ctxt saved;
- struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_TEST_ORIG_CTXT);
- int rc, err, cleanup_phase = 0;
- char name[10];
- ENTRY;
-
- sprintf(name, "%x", llog_test_rand);
- push_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_ctxt, NULL);
-
- rc = llog_test_1(obd, name);
- if (rc)
- GOTO(cleanup, rc);
-
- rc = llog_test_2(obd, name, &llh);
- if (rc)
- GOTO(cleanup, rc);
- cleanup_phase = 1; /* close llh */
-
- rc = llog_test_3(obd, llh);
- if (rc)
- GOTO(cleanup, rc);
-
- rc = llog_test_4(obd);
- if (rc)
- GOTO(cleanup, rc);
-
- rc = llog_test_5(obd);
- if (rc)
- GOTO(cleanup, rc);
-
- rc = llog_test_6(obd, name);
- if (rc)
- GOTO(cleanup, rc);
-
- cleanup:
- switch (cleanup_phase) {
- case 1:
- err = llog_close(llh);
- if (err)
- CERROR("cleanup: llog_close failed: %d\n", err);
- if (!rc)
- rc = err;
- case 0:
- pop_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_ctxt, NULL);
- }
-
- return rc;
-}
-
-
-static int llog_test_llog_init(struct obd_device *obd, struct obd_device *tgt,
- int count, struct llog_logid *logid)
-{
- int rc;
- ENTRY;
-
- rc = llog_setup(obd, LLOG_TEST_ORIG_CTXT, tgt, 0, NULL, &llog_lvfs_ops);
- RETURN(rc);
-}
-
-static int llog_test_llog_finish(struct obd_device *obd, int count)
-{
- int rc;
- ENTRY;
-
- rc = llog_cleanup(llog_get_context(obd, LLOG_TEST_ORIG_CTXT));
- RETURN(rc);
-}
-
-static int llog_test_cleanup(struct obd_device *obd, int flags)
-{
- int rc = obd_llog_finish(obd, 0);
- if (rc)
- CERROR("failed to llog_test_llog_finish: %d\n", rc);
-
- return rc;
-}
-
-static int llog_test_setup(struct obd_device *obd, obd_count len, void *buf)
-{
- struct lustre_cfg *lcfg = buf;
- struct obd_device *tgt;
- int rc;
- ENTRY;
-
- if (lcfg->lcfg_inllen1 < 1) {
- CERROR("requires a TARGET OBD name\n");
- RETURN(-EINVAL);
- }
-
- tgt = class_name2obd(lcfg->lcfg_inlbuf1);
- if (!tgt || !tgt->obd_attached || !tgt->obd_set_up) {
- CERROR("target device not attached or not set up (%s)\n",
- lcfg->lcfg_inlbuf1);
- RETURN(-EINVAL);
- }
-
- rc = obd_llog_init(obd, tgt, 0, NULL);
- if (rc)
- RETURN(rc);
-
- llog_test_rand = ll_insecure_random_int();
-
- rc = llog_run_tests(obd);
- if (rc)
- llog_test_cleanup(obd, 0);
- RETURN(rc);
-}
-
-static int llog_test_attach(struct obd_device *dev, obd_count len, void *data)
-{
- struct lprocfs_static_vars lvars;
-
- lprocfs_init_vars(ost, &lvars);
- return lprocfs_obd_attach(dev, lvars.obd_vars);
-}
-
-static int llog_test_detach(struct obd_device *dev)
-{
- return lprocfs_obd_detach(dev);
-}
-
-static struct obd_ops llog_obd_ops = {
- o_owner: THIS_MODULE,
- o_attach: llog_test_attach,
- o_detach: llog_test_detach,
- o_setup: llog_test_setup,
- o_cleanup: llog_test_cleanup,
- o_llog_init: llog_test_llog_init,
- o_llog_finish: llog_test_llog_finish,
-
-};
-
-static int __init llog_test_init(void)
-{
- struct lprocfs_static_vars lvars;
-
- lprocfs_init_multi_vars(0, &lvars);
- return class_register_type(&llog_obd_ops,lvars.module_vars,"llog_test");
-}
-
-static void __exit llog_test_exit(void)
-{
- class_unregister_type("llog_test");
-}
-
-MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
-MODULE_DESCRIPTION("llog test module");
-MODULE_LICENSE("GPL");
-
-module_init(llog_test_init);
-module_exit(llog_test_exit);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff