X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Fllog_test.c;h=52e7c3309e5320dfa463904aae867890aaa4f172;hb=867e301972278e397b57094810821ff884092fd8;hp=e0362abd5d783e787750c97c205217c6eccbc7ad;hpb=b4d3116f44b6613a65ed259bf2f41c1eb41e2ba4;p=fs%2Flustre-release.git diff --git a/lustre/obdclass/llog_test.c b/lustre/obdclass/llog_test.c index e0362ab..52e7c33 100644 --- a/lustre/obdclass/llog_test.c +++ b/lustre/obdclass/llog_test.c @@ -230,7 +230,7 @@ static int llog_test_3(const struct lu_env *env, struct obd_device *obd, 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); + rc = llog_write(env, llh, &lgr.lgr_hdr, LLOG_NEXT_IDX); num_recs++; if (rc < 0) { CERROR("3a: write one log record failed: %d\n", rc); @@ -241,30 +241,9 @@ static int llog_test_3(const struct lu_env *env, struct obd_device *obd, 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); + rc = llog_write(env, llh, &lgr.lgr_hdr, LLOG_NEXT_IDX); if (rc < 0) { CERROR("3c: write 1000 records failed at #%d: %d\n", i + 1, rc); @@ -277,23 +256,20 @@ static int llog_test_3(const struct lu_env *env, struct obd_device *obd, if (rc) RETURN(rc); - CWARN("3d: write log more than BITMAP_SIZE, return -ENOSPC\n"); + CWARN("3d: write records with variable size until 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); - } + char buf[64]; + struct llog_rec_hdr *hdr = (void *)&buf; + + memset(buf, 0, sizeof buf); + if ((i % 2) == 0) + hdr->lrh_len = 40; + else + hdr->lrh_len = 64; + hdr->lrh_type = OBD_CFG_REC; + rc = llog_write(env, llh, hdr, LLOG_NEXT_IDX); + if (rc == -ENOSPC) { break; } else if (rc < 0) { @@ -326,7 +302,7 @@ static int llog_test_4(const struct lu_env *env, struct obd_device *obd) struct llog_ctxt *ctxt; int num_recs = 0; char *buf; - struct llog_rec_hdr rec; + struct llog_rec_hdr *rec; ENTRY; @@ -353,7 +329,7 @@ static int llog_test_4(const struct lu_env *env, struct obd_device *obd) 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); + rc = llog_cat_add(env, cath, &lmr.lmr_hdr, &cookie); if (rc != 1) { CERROR("4b: write 1 catalog record failed at: %d\n", rc); GOTO(out, rc); @@ -381,7 +357,7 @@ static int llog_test_4(const struct lu_env *env, struct obd_device *obd) 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); + rc = llog_cat_add(env, cath, &lmr.lmr_hdr, NULL); if (rc) { CERROR("4d: write %d records failed at #%d: %d\n", LLOG_TEST_RECNUM, i + 1, rc); @@ -396,15 +372,15 @@ static int llog_test_4(const struct lu_env *env, struct obd_device *obd) 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); + buflen = LLOG_CHUNK_SIZE; 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); + rec = (void *)buf; + rec->lrh_len = buflen; + rec->lrh_type = OBD_CFG_REC; + rc = llog_cat_add(env, cath, rec, NULL); if (rc) { CERROR("4e: write 5 records failed at #%d: %d\n", i + 1, rc); @@ -559,7 +535,7 @@ static int llog_test_5(const struct lu_env *env, struct obd_device *obd) } 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); + rc = llog_cat_add(env, llh, &lmr.lmr_hdr, NULL); if (rc) { CERROR("5d: add record to the log with many canceled empty " "pages failed\n"); @@ -744,8 +720,7 @@ static int llog_test_7_sub(const struct lu_env *env, struct llog_ctxt *ctxt) 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); + rc = llog_write(env, llh, &llog_records.lrh, LLOG_NEXT_IDX); if (rc == -ENOSPC) { break; } else if (rc < 0) { @@ -784,7 +759,7 @@ static int llog_test_7_sub(const struct lu_env *env, struct llog_ctxt *ctxt) plain_counter = 0; rc = llog_reverse_process(env, llh, test_7_cancel_cb, "test 7", NULL); - if (rc) { + if (rc && rc != LLOG_DEL_PLAIN) { CERROR("7_sub: reverse llog process failed: %d\n", rc); GOTO(out_close, rc); } @@ -898,6 +873,206 @@ out: RETURN(rc); } +static int llog_truncate(const struct lu_env *env, struct dt_object *o) +{ + struct lu_attr la; + struct thandle *th; + struct dt_device *d; + int rc; + ENTRY; + + LASSERT(o); + d = lu2dt_dev(o->do_lu.lo_dev); + LASSERT(d); + + rc = dt_attr_get(env, o, &la, NULL); + if (rc) + RETURN(rc); + + CDEBUG(D_OTHER, "original size "LPU64"\n", la.la_size); + rc = sizeof(struct llog_log_hdr) + sizeof(struct llog_mini_rec); + if (la.la_size < rc) { + CERROR("too small llog: "LPU64"\n", la.la_size); + RETURN(0); + } + + /* drop 2 records */ + la.la_size = la.la_size - (sizeof(struct llog_mini_rec) * 2); + la.la_valid = LA_SIZE; + + th = dt_trans_create(env, d); + if (IS_ERR(th)) + RETURN(PTR_ERR(th)); + + rc = dt_declare_attr_set(env, o, &la, th); + if (rc) + GOTO(stop, rc); + + rc = dt_declare_punch(env, o, la.la_size, OBD_OBJECT_EOF, th); + + rc = dt_trans_start_local(env, d, th); + if (rc) + GOTO(stop, rc); + + rc = dt_punch(env, o, la.la_size, OBD_OBJECT_EOF, th, BYPASS_CAPA); + if (rc) + GOTO(stop, rc); + + rc = dt_attr_set(env, o, &la, th, BYPASS_CAPA); + if (rc) + GOTO(stop, rc); + +stop: + dt_trans_stop(env, d, th); + + RETURN(rc); +} + +static int test_8_cb(const struct lu_env *env, struct llog_handle *llh, + struct llog_rec_hdr *rec, void *data) +{ + plain_counter++; + return 0; +} + +static int llog_test_8(const struct lu_env *env, struct obd_device *obd) +{ + struct llog_handle *llh = NULL; + char name[10]; + int rc, rc2, i; + int orig_counter; + struct llog_mini_rec lmr; + struct llog_ctxt *ctxt; + struct dt_object *obj = NULL; + + 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("8a: fill the first plain llog\n"); + rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS); + if (rc) { + CERROR("8a: 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("8a: can't init llog handle: %d\n", rc); + GOTO(out, rc); + } + + plain_counter = 0; + rc = llog_cat_process(env, llh, test_8_cb, "foobar", 0, 0); + if (rc != 0) { + CERROR("5a: process with cat_cancel_cb failed: %d\n", rc); + GOTO(out, rc); + } + orig_counter = plain_counter; + + for (i = 0; i < 100; i++) { + rc = llog_cat_add(env, llh, &lmr.lmr_hdr, NULL); + if (rc) { + CERROR("5a: add record failed\n"); + GOTO(out, rc); + } + } + + /* grab the current plain llog, we'll corrupt it later */ + obj = llh->u.chd.chd_current_log->lgh_obj; + LASSERT(obj); + lu_object_get(&obj->do_lu); + CWARN("8a: pin llog "DFID"\n", PFID(lu_object_fid(&obj->do_lu))); + + rc2 = llog_cat_close(env, llh); + if (rc2) { + CERROR("8a: close log %s failed: %d\n", name, rc2); + if (rc == 0) + rc = rc2; + GOTO(out_put, rc); + } + + CWARN("8b: fill the second plain llog\n"); + rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS); + if (rc) { + CERROR("8b: 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("8b: can't init llog handle: %d\n", rc); + GOTO(out, rc); + } + + for (i = 0; i < 100; i++) { + rc = llog_cat_add(env, llh, &lmr.lmr_hdr, NULL); + if (rc) { + CERROR("8b: add record failed\n"); + GOTO(out, rc); + } + } + CWARN("8b: second llog "DFID"\n", + PFID(lu_object_fid(&llh->u.chd.chd_current_log->lgh_obj->do_lu))); + + rc2 = llog_cat_close(env, llh); + if (rc2) { + CERROR("8b: close log %s failed: %d\n", name, rc2); + if (rc == 0) + rc = rc2; + GOTO(out_put, rc); + } + + CWARN("8c: drop two records from the first plain llog\n"); + llog_truncate(env, obj); + + CWARN("8d: count survived records\n"); + rc = llog_open(env, ctxt, &llh, &cat_logid, NULL, LLOG_OPEN_EXISTS); + if (rc) { + CERROR("8d: 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("8d: can't init llog handle: %d\n", rc); + GOTO(out, rc); + } + + plain_counter = 0; + rc = llog_cat_process(env, llh, test_8_cb, "foobar", 0, 0); + if (rc != 0) { + CERROR("8d: process with cat_cancel_cb failed: %d\n", rc); + GOTO(out, rc); + } + + if (orig_counter + 200 - 2 != plain_counter) { + CERROR("found %d records (expected %d)\n", plain_counter, + orig_counter + 200 - 2); + rc = -EIO; + } + +out: + CWARN("8d: close re-opened catalog\n"); + rc2 = llog_cat_close(env, llh); + if (rc2) { + CERROR("8d: close log %s failed: %d\n", name, rc2); + if (rc == 0) + rc = rc2; + } +out_put: + llog_ctxt_put(ctxt); + + if (obj != NULL) + lu_object_put(env, &obj->do_lu); + + RETURN(rc); +} + /* ------------------------------------------------------------------------- * Tests above, boring obd functions below * ------------------------------------------------------------------------- */ @@ -942,6 +1117,10 @@ static int llog_run_tests(const struct lu_env *env, struct obd_device *obd) if (rc) GOTO(cleanup, rc); + rc = llog_test_8(env, obd); + if (rc) + GOTO(cleanup, rc); + cleanup: err = llog_destroy(env, llh); if (err) @@ -1057,11 +1236,11 @@ static struct obd_ops llog_obd_ops = { static int __init llog_test_init(void) { - return class_register_type(&llog_obd_ops, NULL, NULL, + return class_register_type(&llog_obd_ops, NULL, true, NULL, #ifndef HAVE_ONLY_PROCFS_SEQ - NULL, + NULL, #endif - "llog_test", NULL); + "llog_test", NULL); } static void __exit llog_test_exit(void)