diff options
Diffstat (limited to 'cddl/contrib/opensolaris/cmd/ztest/ztest.c')
-rw-r--r-- | cddl/contrib/opensolaris/cmd/ztest/ztest.c | 95 |
1 files changed, 73 insertions, 22 deletions
diff --git a/cddl/contrib/opensolaris/cmd/ztest/ztest.c b/cddl/contrib/opensolaris/cmd/ztest/ztest.c index 6e028c3..3327161 100644 --- a/cddl/contrib/opensolaris/cmd/ztest/ztest.c +++ b/cddl/contrib/opensolaris/cmd/ztest/ztest.c @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2011, 2014 by Delphix. All rights reserved. * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2012 Martin Matuska <mm@FreeBSD.org>. All rights reserved. * Copyright (c) 2013 Steven Hartland. All rights reserved. @@ -53,7 +53,7 @@ * At random times, the child self-immolates with a SIGKILL. * This is the software equivalent of pulling the power cord. * The parent then runs the test again, using the existing - * storage pool, as many times as desired. If backwards compatability + * storage pool, as many times as desired. If backwards compatibility * testing is enabled ztest will sometimes run the "older" version * of ztest after a SIGKILL. * @@ -187,6 +187,7 @@ static const ztest_shared_opts_t ztest_opts_defaults = { extern uint64_t metaslab_gang_bang; extern uint64_t metaslab_df_alloc_threshold; extern uint64_t zfs_deadman_synctime_ms; +extern int metaslab_preload_limit; static ztest_shared_opts_t *ztest_shared_opts; static ztest_shared_opts_t ztest_opts; @@ -809,7 +810,7 @@ static uint64_t ztest_get_ashift(void) { if (ztest_opts.zo_ashift == 0) - return (SPA_MINBLOCKSHIFT + ztest_random(3)); + return (SPA_MINBLOCKSHIFT + ztest_random(5)); return (ztest_opts.zo_ashift); } @@ -968,11 +969,28 @@ ztest_random_spa_version(uint64_t initial_version) return (version); } +/* + * Find the largest ashift used + */ +static uint64_t +ztest_spa_get_ashift() { + uint64_t i; + uint64_t ashift = SPA_MINBLOCKSHIFT; + vdev_t *rvd = ztest_spa->spa_root_vdev; + + for (i = 0; i < rvd->vdev_children; i++) { + ashift = MAX(ashift, rvd->vdev_child[i]->vdev_ashift); + } + return (ashift); +} + static int ztest_random_blocksize(void) { - return (1 << (SPA_MINBLOCKSHIFT + - ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); + // Choose a block size >= the ashift. + uint64_t block_shift = + ztest_random(SPA_MAXBLOCKSHIFT - ztest_spa_get_ashift() + 1); + return (1 << (SPA_MINBLOCKSHIFT + block_shift)); } static int @@ -1267,13 +1285,13 @@ static void ztest_bt_verify(ztest_block_tag_t *bt, objset_t *os, uint64_t object, uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) { - ASSERT(bt->bt_magic == BT_MAGIC); - ASSERT(bt->bt_objset == dmu_objset_id(os)); - ASSERT(bt->bt_object == object); - ASSERT(bt->bt_offset == offset); - ASSERT(bt->bt_gen <= gen); - ASSERT(bt->bt_txg <= txg); - ASSERT(bt->bt_crtxg == crtxg); + ASSERT3U(bt->bt_magic, ==, BT_MAGIC); + ASSERT3U(bt->bt_objset, ==, dmu_objset_id(os)); + ASSERT3U(bt->bt_object, ==, object); + ASSERT3U(bt->bt_offset, ==, offset); + ASSERT3U(bt->bt_gen, <=, gen); + ASSERT3U(bt->bt_txg, <=, txg); + ASSERT3U(bt->bt_crtxg, ==, crtxg); } static ztest_block_tag_t * @@ -3472,6 +3490,11 @@ ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_t id) if (error) fatal(0, "dmu_objset_own(%s) = %d", snap2name, error); error = dsl_dataset_promote(clone2name, NULL); + if (error == ENOSPC) { + dmu_objset_disown(os, FTAG); + ztest_record_enospc(FTAG); + goto out; + } if (error != EBUSY) fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, error); @@ -3627,11 +3650,19 @@ ztest_dmu_read_write(ztest_ds_t *zd, uint64_t id) return; } - dmu_object_set_checksum(os, bigobj, - (enum zio_checksum)ztest_random_dsl_prop(ZFS_PROP_CHECKSUM), tx); + enum zio_checksum cksum; + do { + cksum = (enum zio_checksum) + ztest_random_dsl_prop(ZFS_PROP_CHECKSUM); + } while (cksum >= ZIO_CHECKSUM_LEGACY_FUNCTIONS); + dmu_object_set_checksum(os, bigobj, cksum, tx); - dmu_object_set_compress(os, bigobj, - (enum zio_compress)ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), tx); + enum zio_compress comp; + do { + comp = (enum zio_compress) + ztest_random_dsl_prop(ZFS_PROP_COMPRESSION); + } while (comp >= ZIO_COMPRESS_LEGACY_FUNCTIONS); + dmu_object_set_compress(os, bigobj, comp, tx); /* * For each index from n to n + s, verify that the existing bufwad @@ -4711,8 +4742,13 @@ ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id) error = dsl_dataset_user_hold(holds, 0, NULL); fnvlist_free(holds); - if (error) - fatal(0, "dsl_dataset_user_hold(%s)", fullname, tag); + if (error == ENOSPC) { + ztest_record_enospc("dsl_dataset_user_hold"); + goto out; + } else if (error) { + fatal(0, "dsl_dataset_user_hold(%s, %s) = %u", + fullname, tag, error); + } error = dsl_destroy_snapshot(fullname, B_FALSE); if (error != EBUSY) { @@ -5165,7 +5201,7 @@ ztest_run_zdb(char *pool) isa = strdup(isa); /* LINTED */ (void) sprintf(bin, - "/usr/sbin%.*s/zdb -bcc%s%s -U %s %s", + "/usr/sbin%.*s/zdb -bcc%s%s -d -U %s %s", isalen, isa, ztest_opts.zo_verbose >= 3 ? "s" : "", @@ -5578,6 +5614,7 @@ ztest_run(ztest_shared_t *zs) kernel_init(FREAD | FWRITE); VERIFY0(spa_open(ztest_opts.zo_pool, &spa, FTAG)); spa->spa_debug = B_TRUE; + metaslab_preload_limit = ztest_random(20) + 1; ztest_spa = spa; VERIFY0(dmu_objset_own(ztest_opts.zo_pool, @@ -5748,16 +5785,30 @@ ztest_freeze(void) spa_freeze(spa); /* + * Because it is hard to predict how much space a write will actually + * require beforehand, we leave ourselves some fudge space to write over + * capacity. + */ + uint64_t capacity = metaslab_class_get_space(spa_normal_class(spa)) / 2; + + /* * Run tests that generate log records but don't alter the pool config * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). * We do a txg_wait_synced() after each iteration to force the txg * to increase well beyond the last synced value in the uberblock. * The ZIL should be OK with that. + * + * Run a random number of times less than zo_maxloops and ensure we do + * not run out of space on the pool. */ while (ztest_random(10) != 0 && - numloops++ < ztest_opts.zo_maxloops) { - ztest_dmu_write_parallel(zd, 0); - ztest_dmu_object_alloc_free(zd, 0); + numloops++ < ztest_opts.zo_maxloops && + metaslab_class_get_alloc(spa_normal_class(spa)) < capacity) { + ztest_od_t od; + ztest_od_init(&od, 0, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); + VERIFY0(ztest_object_init(zd, &od, sizeof (od), B_FALSE)); + ztest_io(zd, od.od_object, + ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); txg_wait_synced(spa_get_dsl(spa), 0); } |