*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, 2017 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2013 Steven Hartland. All rights reserved.
* Copyright (c) 2014 Integros [integros.com]
* Copyright 2017 Joyent, Inc.
+ * Copyright (c) 2017, Intel Corporation.
*/
/*
#include <sys/zio.h>
#include <sys/zil.h>
#include <sys/zil_impl.h>
-#include <sys/zfs_rlock.h>
#include <sys/vdev_impl.h>
#include <sys/vdev_file.h>
#include <sys/spa_impl.h>
#include <sys/fs/zfs.h>
#include <zfs_fletcher.h>
#include <libnvpair.h>
-#include <libzfs.h>
+#include <libzutil.h>
#include <sys/crypto/icp.h>
#ifdef __GLIBC__
#include <execinfo.h> /* for backtrace() */
static ztest_shared_hdr_t *ztest_shared_hdr;
+enum ztest_class_state {
+ ZTEST_VDEV_CLASS_OFF,
+ ZTEST_VDEV_CLASS_ON,
+ ZTEST_VDEV_CLASS_RND
+};
+
typedef struct ztest_shared_opts {
char zo_pool[ZFS_MAX_DATASET_NAME_LEN];
char zo_dir[ZFS_MAX_DATASET_NAME_LEN];
uint64_t zo_maxloops;
uint64_t zo_metaslab_force_ganging;
int zo_mmp_test;
+ int zo_special_vdevs;
+ int zo_dump_dbgmsg;
} ztest_shared_opts_t;
static const ztest_shared_opts_t ztest_opts_defaults = {
.zo_init = 1,
.zo_time = 300, /* 5 minutes */
.zo_maxloops = 50, /* max loops during spa_freeze() */
- .zo_metaslab_force_ganging = 32 << 10,
+ .zo_metaslab_force_ganging = 64 << 10,
+ .zo_special_vdevs = ZTEST_VDEV_CLASS_RND,
};
extern uint64_t metaslab_force_ganging;
extern int dmu_object_alloc_chunk_shift;
extern boolean_t zfs_force_some_double_word_sm_entries;
extern unsigned long zio_decompress_fail_fraction;
+extern unsigned long zfs_reconstruct_indirect_damage_fraction;
static ztest_shared_opts_t *ztest_shared_opts;
static ztest_shared_opts_t ztest_opts;
uint64_t bw_data;
} bufwad_t;
+/*
+ * It would be better to use a rangelock_t per object. Unfortunately
+ * the rangelock_t is not a drop-in replacement for rl_t, because we
+ * still need to map from object ID to rangelock_t.
+ */
+typedef enum {
+ RL_READER,
+ RL_WRITER,
+ RL_APPEND
+} rl_type_t;
+
typedef struct rll {
void *rll_writer;
int rll_readers;
kcondvar_t rll_cv;
} rll_t;
-typedef struct zll {
- list_t z_list;
- kmutex_t z_lock;
-} zll_t;
+typedef struct rl {
+ uint64_t rl_object;
+ uint64_t rl_offset;
+ uint64_t rl_size;
+ rll_t *rl_lock;
+} rl_t;
#define ZTEST_RANGE_LOCKS 64
#define ZTEST_OBJECT_LOCKS 64
char zd_name[ZFS_MAX_DATASET_NAME_LEN];
kmutex_t zd_dirobj_lock;
rll_t zd_object_lock[ZTEST_OBJECT_LOCKS];
- zll_t zd_range_lock[ZTEST_RANGE_LOCKS];
+ rll_t zd_range_lock[ZTEST_RANGE_LOCKS];
} ztest_ds_t;
/*
ztest_func_t ztest_ddt_repair;
ztest_func_t ztest_dmu_snapshot_hold;
ztest_func_t ztest_mmp_enable_disable;
-ztest_func_t ztest_spa_rename;
ztest_func_t ztest_scrub;
ztest_func_t ztest_dsl_dataset_promote_busy;
ztest_func_t ztest_vdev_attach_detach;
ztest_func_t ztest_vdev_LUN_growth;
ztest_func_t ztest_vdev_add_remove;
+ztest_func_t ztest_vdev_class_add;
ztest_func_t ztest_vdev_aux_add_remove;
ztest_func_t ztest_split_pool;
ztest_func_t ztest_reguid;
ZTI_INIT(ztest_dmu_snapshot_hold, 1, &zopt_sometimes),
ZTI_INIT(ztest_mmp_enable_disable, 1, &zopt_sometimes),
ZTI_INIT(ztest_reguid, 1, &zopt_rarely),
- ZTI_INIT(ztest_spa_rename, 1, &zopt_rarely),
ZTI_INIT(ztest_scrub, 1, &zopt_rarely),
ZTI_INIT(ztest_spa_upgrade, 1, &zopt_rarely),
ZTI_INIT(ztest_dsl_dataset_promote_busy, 1, &zopt_rarely),
ZTI_INIT(ztest_vdev_attach_detach, 1, &zopt_sometimes),
ZTI_INIT(ztest_vdev_LUN_growth, 1, &zopt_rarely),
ZTI_INIT(ztest_vdev_add_remove, 1, &ztest_opts.zo_vdevtime),
+ ZTI_INIT(ztest_vdev_class_add, 1, &ztest_opts.zo_vdevtime),
ZTI_INIT(ztest_vdev_aux_add_remove, 1, &ztest_opts.zo_vdevtime),
ZTI_INIT(ztest_device_removal, 1, &zopt_sometimes),
ZTI_INIT(ztest_remap_blocks, 1, &zopt_sometimes),
static pthread_rwlock_t ztest_name_lock;
static boolean_t ztest_dump_core = B_TRUE;
-static boolean_t ztest_dump_debug_buffer = B_FALSE;
static boolean_t ztest_exiting;
/* Global commit callback list */
static void
dump_debug_buffer(void)
{
- if (!ztest_dump_debug_buffer)
+ ssize_t ret __attribute__((unused));
+
+ if (!ztest_opts.zo_dump_dbgmsg)
return;
- (void) printf("\n");
+ /*
+ * We use write() instead of printf() so that this function
+ * is safe to call from a signal handler.
+ */
+ ret = write(STDOUT_FILENO, "\n", 1);
zfs_dbgmsg_print("ztest");
}
(void) fprintf(stderr, "%s\n", buf);
fatal_msg = buf; /* to ease debugging */
- dump_debug_buffer();
-
if (ztest_dump_core)
abort();
+ else
+ dump_debug_buffer();
+
exit(3);
}
"\t[-F freezeloops (default: %llu)] max loops in spa_freeze()\n"
"\t[-P passtime (default: %llu sec)] time per pass\n"
"\t[-B alt_ztest (default: <none>)] alternate ztest path\n"
+ "\t[-C vdev class state (default: random)] special=on|off|random\n"
"\t[-o variable=value] ... set global variable to an unsigned\n"
"\t 32-bit integer value\n"
"\t[-G dump zfs_dbgmsg buffer before exiting due to an error\n"
exit(requested ? 0 : 1);
}
+
+static void
+ztest_parse_name_value(const char *input, ztest_shared_opts_t *zo)
+{
+ char name[32];
+ char *value;
+ int state = ZTEST_VDEV_CLASS_RND;
+
+ (void) strlcpy(name, input, sizeof (name));
+
+ value = strchr(name, '=');
+ if (value == NULL) {
+ (void) fprintf(stderr, "missing value in property=value "
+ "'-C' argument (%s)\n", input);
+ usage(B_FALSE);
+ }
+ *(value) = '\0';
+ value++;
+
+ if (strcmp(value, "on") == 0) {
+ state = ZTEST_VDEV_CLASS_ON;
+ } else if (strcmp(value, "off") == 0) {
+ state = ZTEST_VDEV_CLASS_OFF;
+ } else if (strcmp(value, "random") == 0) {
+ state = ZTEST_VDEV_CLASS_RND;
+ } else {
+ (void) fprintf(stderr, "invalid property value '%s'\n", value);
+ usage(B_FALSE);
+ }
+
+ if (strcmp(name, "special") == 0) {
+ zo->zo_special_vdevs = state;
+ } else {
+ (void) fprintf(stderr, "invalid property name '%s'\n", name);
+ usage(B_FALSE);
+ }
+ if (zo->zo_verbose >= 3)
+ (void) printf("%s vdev state is '%s'\n", name, value);
+}
+
static void
process_options(int argc, char **argv)
{
bcopy(&ztest_opts_defaults, zo, sizeof (*zo));
while ((opt = getopt(argc, argv,
- "v:s:a:m:r:R:d:t:g:i:k:p:f:MVET:P:hF:B:o:G")) != EOF) {
+ "v:s:a:m:r:R:d:t:g:i:k:p:f:MVET:P:hF:B:C:o:G")) != EOF) {
value = 0;
switch (opt) {
case 'v':
case 'B':
(void) strlcpy(altdir, optarg, sizeof (altdir));
break;
+ case 'C':
+ ztest_parse_name_value(optarg, zo);
+ break;
case 'o':
if (set_global_var(optarg) != 0)
usage(B_FALSE);
break;
case 'G':
- ztest_dump_debug_buffer = B_TRUE;
+ zo->zo_dump_dbgmsg = 1;
break;
case 'h':
usage(B_TRUE);
static nvlist_t *
make_vdev_root(char *path, char *aux, char *pool, size_t size, uint64_t ashift,
- int log, int r, int m, int t)
+ const char *class, int r, int m, int t)
{
nvlist_t *root, **child;
int c;
+ boolean_t log;
ASSERT(t > 0);
+ log = (class != NULL && strcmp(class, "log") == 0);
+
child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL);
for (c = 0; c < t; c++) {
r, m);
VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
log) == 0);
+
+ if (class != NULL && class[0] != '\0') {
+ ASSERT(m > 1 || log); /* expecting a mirror */
+ VERIFY(nvlist_add_string(child[c],
+ ZPOOL_CONFIG_ALLOCATION_BIAS, class) == 0);
+ }
}
VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0);
static int
ztest_random_blocksize(void)
{
+ ASSERT(ztest_spa->spa_max_ashift != 0);
+
/*
* Choose a block size >= the ashift.
* If the SPA supports new MAXBLOCKSIZE, test up to 1MB blocks.
return (err);
}
-
-/*
- * Object and range lock mechanics
- */
-typedef struct {
- list_node_t z_lnode;
- refcount_t z_refcnt;
- uint64_t z_object;
- zfs_rlock_t z_range_lock;
-} ztest_znode_t;
-
-typedef struct {
- rl_t *z_rl;
- ztest_znode_t *z_ztznode;
-} ztest_zrl_t;
-
-static ztest_znode_t *
-ztest_znode_init(uint64_t object)
-{
- ztest_znode_t *zp = umem_alloc(sizeof (*zp), UMEM_NOFAIL);
-
- list_link_init(&zp->z_lnode);
- refcount_create(&zp->z_refcnt);
- zp->z_object = object;
- zfs_rlock_init(&zp->z_range_lock);
-
- return (zp);
-}
-
-static void
-ztest_znode_fini(ztest_znode_t *zp)
-{
- ASSERT(refcount_is_zero(&zp->z_refcnt));
- zfs_rlock_destroy(&zp->z_range_lock);
- zp->z_object = 0;
- refcount_destroy(&zp->z_refcnt);
- list_link_init(&zp->z_lnode);
- umem_free(zp, sizeof (*zp));
-}
-
-static void
-ztest_zll_init(zll_t *zll)
-{
- mutex_init(&zll->z_lock, NULL, MUTEX_DEFAULT, NULL);
- list_create(&zll->z_list, sizeof (ztest_znode_t),
- offsetof(ztest_znode_t, z_lnode));
-}
-
-static void
-ztest_zll_destroy(zll_t *zll)
-{
- list_destroy(&zll->z_list);
- mutex_destroy(&zll->z_lock);
-}
-
-#define RL_TAG "range_lock"
-static ztest_znode_t *
-ztest_znode_get(ztest_ds_t *zd, uint64_t object)
-{
- zll_t *zll = &zd->zd_range_lock[object & (ZTEST_OBJECT_LOCKS - 1)];
- ztest_znode_t *zp = NULL;
- mutex_enter(&zll->z_lock);
- for (zp = list_head(&zll->z_list); (zp);
- zp = list_next(&zll->z_list, zp)) {
- if (zp->z_object == object) {
- refcount_add(&zp->z_refcnt, RL_TAG);
- break;
- }
- }
- if (zp == NULL) {
- zp = ztest_znode_init(object);
- refcount_add(&zp->z_refcnt, RL_TAG);
- list_insert_head(&zll->z_list, zp);
- }
- mutex_exit(&zll->z_lock);
- return (zp);
-}
-
-static void
-ztest_znode_put(ztest_ds_t *zd, ztest_znode_t *zp)
-{
- zll_t *zll = NULL;
- ASSERT3U(zp->z_object, !=, 0);
- zll = &zd->zd_range_lock[zp->z_object & (ZTEST_OBJECT_LOCKS - 1)];
- mutex_enter(&zll->z_lock);
- refcount_remove(&zp->z_refcnt, RL_TAG);
- if (refcount_is_zero(&zp->z_refcnt)) {
- list_remove(&zll->z_list, zp);
- ztest_znode_fini(zp);
- }
- mutex_exit(&zll->z_lock);
-}
-
-
static void
ztest_rll_init(rll_t *rll)
{
ztest_rll_unlock(rll);
}
-static ztest_zrl_t *
-ztest_zrl_init(rl_t *rl, ztest_znode_t *zp)
-{
- ztest_zrl_t *zrl = umem_alloc(sizeof (*zrl), UMEM_NOFAIL);
- zrl->z_rl = rl;
- zrl->z_ztznode = zp;
- return (zrl);
-}
-
-static void
-ztest_zrl_fini(ztest_zrl_t *zrl)
-{
- umem_free(zrl, sizeof (*zrl));
-}
-
-static ztest_zrl_t *
+static rl_t *
ztest_range_lock(ztest_ds_t *zd, uint64_t object, uint64_t offset,
uint64_t size, rl_type_t type)
{
- ztest_znode_t *zp = ztest_znode_get(zd, object);
- rl_t *rl = zfs_range_lock(&zp->z_range_lock, offset,
- size, type);
- return (ztest_zrl_init(rl, zp));
+ uint64_t hash = object ^ (offset % (ZTEST_RANGE_LOCKS + 1));
+ rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)];
+ rl_t *rl;
+
+ rl = umem_alloc(sizeof (*rl), UMEM_NOFAIL);
+ rl->rl_object = object;
+ rl->rl_offset = offset;
+ rl->rl_size = size;
+ rl->rl_lock = rll;
+
+ ztest_rll_lock(rll, type);
+
+ return (rl);
}
static void
-ztest_range_unlock(ztest_ds_t *zd, ztest_zrl_t *zrl)
+ztest_range_unlock(rl_t *rl)
{
- zfs_range_unlock(zrl->z_rl);
- ztest_znode_put(zd, zrl->z_ztznode);
- ztest_zrl_fini(zrl);
+ rll_t *rll = rl->rl_lock;
+
+ ztest_rll_unlock(rll);
+
+ umem_free(rl, sizeof (*rl));
}
static void
ztest_rll_init(&zd->zd_object_lock[l]);
for (l = 0; l < ZTEST_RANGE_LOCKS; l++)
- ztest_zll_init(&zd->zd_range_lock[l]);
+ ztest_rll_init(&zd->zd_range_lock[l]);
}
static void
ztest_rll_destroy(&zd->zd_object_lock[l]);
for (l = 0; l < ZTEST_RANGE_LOCKS; l++)
- ztest_zll_destroy(&zd->zd_range_lock[l]);
+ ztest_rll_destroy(&zd->zd_range_lock[l]);
}
#define TXG_MIGHTWAIT (ztest_random(10) == 0 ? TXG_NOWAIT : TXG_WAIT)
dmu_tx_t *tx;
dmu_buf_t *db;
arc_buf_t *abuf = NULL;
- ztest_zrl_t *rl;
+ rl_t *rl;
if (byteswap)
byteswap_uint64_array(lr, sizeof (*lr));
if (abuf != NULL)
dmu_return_arcbuf(abuf);
dmu_buf_rele(db, FTAG);
- ztest_range_unlock(zd, rl);
+ ztest_range_unlock(rl);
ztest_object_unlock(zd, lr->lr_foid);
return (ENOSPC);
}
dmu_tx_commit(tx);
- ztest_range_unlock(zd, rl);
+ ztest_range_unlock(rl);
ztest_object_unlock(zd, lr->lr_foid);
return (0);
objset_t *os = zd->zd_os;
dmu_tx_t *tx;
uint64_t txg;
- ztest_zrl_t *rl;
+ rl_t *rl;
if (byteswap)
byteswap_uint64_array(lr, sizeof (*lr));
txg = ztest_tx_assign(tx, TXG_WAIT, FTAG);
if (txg == 0) {
- ztest_range_unlock(zd, rl);
+ ztest_range_unlock(rl);
ztest_object_unlock(zd, lr->lr_foid);
return (ENOSPC);
}
dmu_tx_commit(tx);
- ztest_range_unlock(zd, rl);
+ ztest_range_unlock(rl);
ztest_object_unlock(zd, lr->lr_foid);
return (0);
/*
* ZIL get_data callbacks
*/
-typedef struct ztest_zgd_private {
- ztest_ds_t *z_zd;
- ztest_zrl_t *z_rl;
- uint64_t z_object;
-} ztest_zgd_private_t;
static void
ztest_get_done(zgd_t *zgd, int error)
{
- ztest_zgd_private_t *zzp = zgd->zgd_private;
- ztest_ds_t *zd = zzp->z_zd;
- uint64_t object = zzp->z_object;
+ ztest_ds_t *zd = zgd->zgd_private;
+ uint64_t object = ((rl_t *)zgd->zgd_lr)->rl_object;
if (zgd->zgd_db)
dmu_buf_rele(zgd->zgd_db, zgd);
- ztest_range_unlock(zd, zzp->z_rl);
+ ztest_range_unlock((rl_t *)zgd->zgd_lr);
ztest_object_unlock(zd, object);
if (error == 0 && zgd->zgd_bp)
zil_lwb_add_block(zgd->zgd_lwb, zgd->zgd_bp);
umem_free(zgd, sizeof (*zgd));
- umem_free(zzp, sizeof (*zzp));
}
static int
dmu_buf_t *db;
zgd_t *zgd;
int error;
- ztest_zgd_private_t *zgd_private;
ASSERT3P(lwb, !=, NULL);
ASSERT3P(zio, !=, NULL);
zgd = umem_zalloc(sizeof (*zgd), UMEM_NOFAIL);
zgd->zgd_lwb = lwb;
- zgd_private = umem_zalloc(sizeof (ztest_zgd_private_t), UMEM_NOFAIL);
- zgd_private->z_zd = zd;
- zgd_private->z_object = object;
- zgd->zgd_private = zgd_private;
+ zgd->zgd_private = zd;
if (buf != NULL) { /* immediate write */
- zgd_private->z_rl = ztest_range_lock(zd, object, offset, size,
- RL_READER);
- zgd->zgd_rl = zgd_private->z_rl->z_rl;
+ zgd->zgd_lr = (struct locked_range *)ztest_range_lock(zd,
+ object, offset, size, RL_READER);
error = dmu_read(os, object, offset, size, buf,
DMU_READ_NO_PREFETCH);
offset = 0;
}
- zgd_private->z_rl = ztest_range_lock(zd, object, offset, size,
- RL_READER);
- zgd->zgd_rl = zgd_private->z_rl->z_rl;
+ zgd->zgd_lr = (struct locked_range *)ztest_range_lock(zd,
+ object, offset, size, RL_READER);
error = dmu_buf_hold(os, object, offset, zgd, &db,
DMU_READ_NO_PREFETCH);
objset_t *os = zd->zd_os;
dmu_tx_t *tx;
uint64_t txg;
- ztest_zrl_t *rl;
+ rl_t *rl;
txg_wait_synced(dmu_objset_pool(os), 0);
(void) dmu_free_long_range(os, object, offset, size);
}
- ztest_range_unlock(zd, rl);
+ ztest_range_unlock(rl);
ztest_object_unlock(zd, object);
}
/*
* Attempt to create using a bad file.
*/
- nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1);
+ nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, NULL, 0, 0, 1);
VERIFY3U(ENOENT, ==,
spa_create("ztest_bad_file", nvroot, NULL, NULL, NULL));
nvlist_free(nvroot);
/*
* Attempt to create using a bad mirror.
*/
- nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 2, 1);
+ nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, NULL, 0, 2, 1);
VERIFY3U(ENOENT, ==,
spa_create("ztest_bad_mirror", nvroot, NULL, NULL, NULL));
nvlist_free(nvroot);
* what's in the nvroot; we should fail with EEXIST.
*/
(void) pthread_rwlock_rdlock(&ztest_name_lock);
- nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1);
+ nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, NULL, 0, 0, 1);
VERIFY3U(EEXIST, ==,
spa_create(zo->zo_pool, nvroot, NULL, NULL, NULL));
nvlist_free(nvroot);
(void) spa_destroy(name);
nvroot = make_vdev_root(NULL, NULL, name, ztest_opts.zo_vdev_size, 0,
- 0, ztest_opts.zo_raidz, ztest_opts.zo_mirrors, 1);
+ NULL, ztest_opts.zo_raidz, ztest_opts.zo_mirrors, 1);
/*
* If we're configuring a RAIDZ device then make sure that the
* If we have slogs then remove them 1/4 of the time.
*/
if (spa_has_slogs(spa) && ztest_random(4) == 0) {
+ metaslab_group_t *mg;
+
/*
- * Grab the guid from the head of the log class rotor.
+ * find the first real slog in log allocation class
*/
- guid = spa_log_class(spa)->mc_rotor->mg_vd->vdev_guid;
+ mg = spa_log_class(spa)->mc_rotor;
+ while (!mg->mg_vd->vdev_islog)
+ mg = mg->mg_next;
+
+ guid = mg->mg_vd->vdev_guid;
spa_config_exit(spa, SCL_VDEV, FTAG);
spa_config_exit(spa, SCL_VDEV, FTAG);
/*
- * Make 1/4 of the devices be log devices.
+ * Make 1/4 of the devices be log devices
*/
nvroot = make_vdev_root(NULL, NULL, NULL,
- ztest_opts.zo_vdev_size, 0,
- ztest_random(4) == 0, ztest_opts.zo_raidz,
- zs->zs_mirrors, 1);
+ ztest_opts.zo_vdev_size, 0, (ztest_random(4) == 0) ?
+ "log" : NULL, ztest_opts.zo_raidz, zs->zs_mirrors, 1);
error = spa_vdev_add(spa, nvroot);
nvlist_free(nvroot);
mutex_exit(&ztest_vdev_lock);
}
+/* ARGSUSED */
+void
+ztest_vdev_class_add(ztest_ds_t *zd, uint64_t id)
+{
+ ztest_shared_t *zs = ztest_shared;
+ spa_t *spa = ztest_spa;
+ uint64_t leaves;
+ nvlist_t *nvroot;
+ const char *class = (ztest_random(2) == 0) ?
+ VDEV_ALLOC_BIAS_SPECIAL : VDEV_ALLOC_BIAS_DEDUP;
+ int error;
+
+ /*
+ * By default add a special vdev 50% of the time
+ */
+ if ((ztest_opts.zo_special_vdevs == ZTEST_VDEV_CLASS_OFF) ||
+ (ztest_opts.zo_special_vdevs == ZTEST_VDEV_CLASS_RND &&
+ ztest_random(2) == 0)) {
+ return;
+ }
+
+ mutex_enter(&ztest_vdev_lock);
+
+ /* Only test with mirrors */
+ if (zs->zs_mirrors < 2) {
+ mutex_exit(&ztest_vdev_lock);
+ return;
+ }
+
+ /* requires feature@allocation_classes */
+ if (!spa_feature_is_enabled(spa, SPA_FEATURE_ALLOCATION_CLASSES)) {
+ mutex_exit(&ztest_vdev_lock);
+ return;
+ }
+
+ leaves = MAX(zs->zs_mirrors + zs->zs_splits, 1) * ztest_opts.zo_raidz;
+
+ spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
+ ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves;
+ spa_config_exit(spa, SCL_VDEV, FTAG);
+
+ nvroot = make_vdev_root(NULL, NULL, NULL, ztest_opts.zo_vdev_size, 0,
+ class, ztest_opts.zo_raidz, zs->zs_mirrors, 1);
+
+ error = spa_vdev_add(spa, nvroot);
+ nvlist_free(nvroot);
+
+ if (error == ENOSPC)
+ ztest_record_enospc("spa_vdev_add");
+ else if (error != 0)
+ fatal(0, "spa_vdev_add() = %d", error);
+
+ /*
+ * 50% of the time allow small blocks in the special class
+ */
+ if (error == 0 &&
+ spa_special_class(spa)->mc_groups == 1 && ztest_random(2) == 0) {
+ if (ztest_opts.zo_verbose >= 3)
+ (void) printf("Enabling special VDEV small blocks\n");
+ (void) ztest_dsl_prop_set_uint64(zd->zd_name,
+ ZFS_PROP_SPECIAL_SMALL_BLOCKS, 32768, B_FALSE);
+ }
+
+ mutex_exit(&ztest_vdev_lock);
+
+ if (ztest_opts.zo_verbose >= 3) {
+ metaslab_class_t *mc;
+
+ if (strcmp(class, VDEV_ALLOC_BIAS_SPECIAL) == 0)
+ mc = spa_special_class(spa);
+ else
+ mc = spa_dedup_class(spa);
+ (void) printf("Added a %s mirrored vdev (of %d)\n",
+ class, (int)mc->mc_groups);
+ }
+}
+
/*
* Verify that adding/removing aux devices (l2arc, hot spare) works as expected.
*/
* Add a new device.
*/
nvlist_t *nvroot = make_vdev_root(NULL, aux, NULL,
- (ztest_opts.zo_vdev_size * 5) / 4, 0, 0, 0, 0, 1);
+ (ztest_opts.zo_vdev_size * 5) / 4, 0, NULL, 0, 0, 1);
error = spa_vdev_add(spa, nvroot);
switch (error) {
* Locate this vdev.
*/
oldvd = rvd->vdev_child[top];
+
+ /* pick a child from the mirror */
if (zs->zs_mirrors >= 1) {
ASSERT(oldvd->vdev_ops == &vdev_mirror_ops);
ASSERT(oldvd->vdev_children >= zs->zs_mirrors);
oldvd = oldvd->vdev_child[leaf / ztest_opts.zo_raidz];
}
+
+ /* pick a child out of the raidz group */
if (ztest_opts.zo_raidz > 1) {
ASSERT(oldvd->vdev_ops == &vdev_raidz_ops);
ASSERT(oldvd->vdev_children == ztest_opts.zo_raidz);
* Build the nvlist describing newpath.
*/
root = make_vdev_root(newpath, NULL, NULL, newvd == NULL ? newsize : 0,
- ashift, 0, 0, 0, 1);
+ ashift, NULL, 0, 0, 1);
error = spa_vdev_attach(spa, oldguid, root, replacing);
ztest_device_removal_active = B_TRUE;
mutex_exit(&ztest_vdev_lock);
+ /*
+ * spa->spa_vdev_removal is created in a sync task that
+ * is initiated via dsl_sync_task_nowait(). Since the
+ * task may not run before spa_vdev_remove() returns, we
+ * must wait at least 1 txg to ensure that the removal
+ * struct has been created.
+ */
+ txg_wait_synced(spa_get_dsl(spa), 0);
+
while (spa->spa_vdev_removal != NULL)
txg_wait_synced(spa_get_dsl(spa), 0);
} else {
return;
}
ASSERT(psize > 0);
- newsize = psize + psize / 8;
+ newsize = psize + MAX(psize / 8, SPA_MAXBLOCKSIZE);
ASSERT3U(newsize, >, psize);
if (ztest_opts.zo_verbose >= 6) {
ztest_zd_init(zdtmp, NULL, os);
zil_replay(os, zdtmp, ztest_replay_vector);
ztest_zd_fini(zdtmp);
- txg_wait_synced(dmu_objset_pool(os), 0);
dmu_objset_disown(os, B_TRUE, FTAG);
}
B_FALSE, B_TRUE, FTAG, &os2));
zil_close(zilog);
- txg_wait_synced(spa_get_dsl(os->os_spa), 0);
dmu_objset_disown(os, B_TRUE, FTAG);
ztest_zd_fini(zdtmp);
out:
VERIFY3U(load, ==, spa_load_guid(spa));
}
-/*
- * Rename the pool to a different name and then rename it back.
- */
-/* ARGSUSED */
-void
-ztest_spa_rename(ztest_ds_t *zd, uint64_t id)
-{
- char *oldname, *newname;
- spa_t *spa;
-
- if (ztest_opts.zo_mmp_test)
- return;
-
- (void) pthread_rwlock_wrlock(&ztest_name_lock);
-
- oldname = ztest_opts.zo_pool;
- newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL);
- (void) strcpy(newname, oldname);
- (void) strcat(newname, "_tmp");
-
- /*
- * Do the rename
- */
- VERIFY3U(0, ==, spa_rename(oldname, newname));
-
- /*
- * Try to open it under the old name, which shouldn't exist
- */
- VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG));
-
- /*
- * Open it under the new name and make sure it's still the same spa_t.
- */
- VERIFY3U(0, ==, spa_open(newname, &spa, FTAG));
-
- ASSERT(spa == ztest_spa);
- spa_close(spa, FTAG);
-
- /*
- * Rename it back to the original
- */
- VERIFY3U(0, ==, spa_rename(newname, oldname));
-
- /*
- * Make sure it can still be opened
- */
- VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG));
-
- ASSERT(spa == ztest_spa);
- spa_close(spa, FTAG);
-
- umem_free(newname, strlen(newname) + 1);
-
- (void) pthread_rwlock_unlock(&ztest_name_lock);
-}
-
void
ztest_fletcher(ztest_ds_t *zd, uint64_t id)
{
(void) sprintf(zdb,
"%s -bcc%s%s -G -d -U %s "
- "-o zfs_reconstruct_indirect_combinations_max=1000000 %s",
+ "-o zfs_reconstruct_indirect_combinations_max=65536 %s",
bin,
ztest_opts.zo_verbose >= 3 ? "s" : "",
ztest_opts.zo_verbose >= 4 ? "v" : "",
{
ztest_shared_t *zs = arg;
spa_t *spa = ztest_spa;
- hrtime_t delta, overdue, total = 0;
+ hrtime_t delay, overdue, last_run = gethrtime();
- for (;;) {
- delta = zs->zs_thread_stop - zs->zs_thread_start +
- MSEC2NSEC(zfs_deadman_synctime_ms);
+ delay = (zs->zs_thread_stop - zs->zs_thread_start) +
+ MSEC2NSEC(zfs_deadman_synctime_ms);
- (void) poll(NULL, 0, (int)NSEC2MSEC(delta));
+ while (!ztest_exiting) {
+ /*
+ * Wait for the delay timer while checking occasionally
+ * if we should stop.
+ */
+ if (gethrtime() < last_run + delay) {
+ (void) poll(NULL, 0, 1000);
+ continue;
+ }
/*
* If the pool is suspended then fail immediately. Otherwise,
* then it may be hung and is terminated.
*/
overdue = zs->zs_proc_stop + MSEC2NSEC(zfs_deadman_synctime_ms);
- total += zfs_deadman_synctime_ms / 1000;
if (gethrtime() > overdue) {
fatal(0, "aborting test after %llu seconds because "
- "the process is overdue for termination.", total);
+ "the process is overdue for termination.",
+ (gethrtime() - zs->zs_proc_start) / NANOSEC);
}
(void) printf("ztest has been running for %lld seconds\n",
- total);
+ (gethrtime() - zs->zs_proc_start) / NANOSEC);
+
+ last_run = gethrtime();
+ delay = MSEC2NSEC(zfs_deadman_checktime_ms);
}
+
+ thread_exit();
}
static void
ztest_ds_t *zd = &ztest_ds[d];
zil_close(zd->zd_zilog);
- txg_wait_synced(spa_get_dsl(zd->zd_os->os_spa), 0);
dmu_objset_disown(zd->zd_os, B_TRUE, zd);
ztest_zd_fini(zd);
{
spa_t *spa;
objset_t *os;
- kthread_t *resume_thread;
+ kthread_t *resume_thread, *deadman_thread;
kthread_t **run_threads;
uint64_t object;
int error;
/*
* Create a deadman thread and set to panic if we hang.
*/
- (void) thread_create(NULL, 0, ztest_deadman_thread,
+ deadman_thread = thread_create(NULL, 0, ztest_deadman_thread,
zs, 0, NULL, TS_RUN | TS_JOINABLE, defclsyspri);
spa->spa_deadman_failmode = ZIO_FAILURE_MODE_PANIC;
umem_free(run_threads, ztest_opts.zo_threads * sizeof (kthread_t *));
- /* Kill the resume thread */
+ /* Kill the resume and deadman threads */
ztest_exiting = B_TRUE;
VERIFY0(thread_join(resume_thread));
+ VERIFY0(thread_join(deadman_thread));
ztest_resume(spa);
/*
nvlist_t *props;
VERIFY0(nvlist_alloc(&props, NV_UNIQUE_NAME, 0));
+
if (ztest_random(2) == 0)
return (props);
static void
ztest_import(ztest_shared_t *zs)
{
- libzfs_handle_t *hdl;
importargs_t args = { 0 };
spa_t *spa;
nvlist_t *cfg = NULL;
VERIFY0(pthread_rwlock_init(&ztest_name_lock, NULL));
kernel_init(FREAD | FWRITE);
- hdl = libzfs_init();
searchdirs[0] = ztest_opts.zo_dir;
args.paths = nsearch;
args.path = searchdirs;
args.can_be_active = B_FALSE;
- error = zpool_tryimport(hdl, name, &cfg, &args);
+ error = zpool_find_config(NULL, name, &cfg, &args,
+ &libzpool_config_ops);
if (error)
(void) fatal(0, "No pools found\n");
1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift;
spa_close(spa, FTAG);
- libzfs_fini(hdl);
kernel_fini();
if (!ztest_opts.zo_mmp_test) {
zs->zs_splits = 0;
zs->zs_mirrors = ztest_opts.zo_mirrors;
nvroot = make_vdev_root(NULL, NULL, NULL, ztest_opts.zo_vdev_size, 0,
- 0, ztest_opts.zo_raidz, zs->zs_mirrors, 1);
+ NULL, ztest_opts.zo_raidz, zs->zs_mirrors, 1);
props = make_random_props();
/*
ztest_shared_callstate_t *zc;
char timebuf[100];
char numbuf[NN_NUMBUF_SZ];
- spa_t *spa;
char *cmd;
boolean_t hasalt;
int f;
dprintf_setup(&argc, argv);
zfs_deadman_synctime_ms = 300000;
+ zfs_deadman_checktime_ms = 30000;
/*
* As two-word space map entries may not come up often (especially
* if pool and vdev sizes are small) we want to force at least some
*/
zfs_force_some_double_word_sm_entries = B_TRUE;
+ /*
+ * Verify that even extensively damaged split blocks with many
+ * segments can be reconstructed in a reasonable amount of time
+ * when reconstruction is known to be possible.
+ *
+ * Note: the lower this value is, the more damage we inflict, and
+ * the more time ztest spends in recovering that damage. We chose
+ * to induce damage 1/100th of the time so recovery is tested but
+ * not so frequently that ztest doesn't get to test other code paths.
+ */
+ zfs_reconstruct_indirect_damage_fraction = 100;
+
action.sa_handler = sig_handler;
sigemptyset(&action.sa_mask);
action.sa_flags = 0;
(void) printf("\n");
}
- /*
- * It's possible that we killed a child during a rename test,
- * in which case we'll have a 'ztest_tmp' pool lying around
- * instead of 'ztest'. Do a blind rename in case this happened.
- */
- kernel_init(FREAD);
- if (spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0) {
- spa_close(spa, FTAG);
- } else {
- char tmpname[ZFS_MAX_DATASET_NAME_LEN];
- kernel_fini();
- kernel_init(FREAD | FWRITE);
- (void) snprintf(tmpname, sizeof (tmpname), "%s_tmp",
- ztest_opts.zo_pool);
- (void) spa_rename(tmpname, ztest_opts.zo_pool);
- }
- kernel_fini();
-
if (!ztest_opts.zo_mmp_test)
ztest_run_zdb(ztest_opts.zo_pool);
}
projects / zfs / blobdiff