summaryrefslogtreecommitdiffstats
path: root/cddl/contrib/opensolaris/cmd/ztest/ztest.c
diff options
context:
space:
mode:
Diffstat (limited to 'cddl/contrib/opensolaris/cmd/ztest/ztest.c')
-rw-r--r--cddl/contrib/opensolaris/cmd/ztest/ztest.c95
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);
}
OpenPOWER on IntegriCloud