Author: mav
Date: Mon Apr 16 03:58:08 2018
New Revision: 332545
URL: https://svnweb.freebsd.org/changeset/base/332545

Log:
  MFC r331699: Partial MFV r329753:
  8809 libzpool should leverage work done in libfakekernel
  
  illumos/illumos-gate@f06dce2c1f0f3af78581e7574f65bfba843ddb6e
  
  Reviewed by: Sebastien Roy <sebastien....@delphix.com>
  Reviewed by: Prakash Surya <prakash.su...@delphix.com>
  Reviewed by: Gordon Ross <gordon.w.r...@gmail.com>
  Approved by: Richard Lowe <richl...@richlowe.net>
  Author: Andrew Stormont <astorm...@racktopsystems.com>
  
  We do not have libfakekernel, but need to reduce code divergence.

Modified:
  stable/11/cddl/contrib/opensolaris/cmd/zdb/zdb.c
  stable/11/cddl/contrib/opensolaris/cmd/ztest/ztest.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/cddl/contrib/opensolaris/cmd/zdb/zdb.c
==============================================================================
--- stable/11/cddl/contrib/opensolaris/cmd/zdb/zdb.c    Mon Apr 16 03:56:10 
2018        (r332544)
+++ stable/11/cddl/contrib/opensolaris/cmd/zdb/zdb.c    Mon Apr 16 03:58:08 
2018        (r332545)
@@ -24,6 +24,7 @@
  * Copyright (c) 2011, 2017 by Delphix. All rights reserved.
  * Copyright (c) 2014 Integros [integros.com]
  * Copyright 2017 Nexenta Systems, Inc.
+ * Copyright 2017 RackTop Systems.
  */
 
 #include <stdio.h>
@@ -88,12 +89,14 @@ extern boolean_t zfs_recover;
 extern uint64_t zfs_arc_max, zfs_arc_meta_limit;
 extern int zfs_vdev_async_read_max_active;
 extern boolean_t spa_load_verify_dryrun;
+extern int aok;
 #else
 int reference_tracking_enable;
 boolean_t zfs_recover;
 uint64_t zfs_arc_max, zfs_arc_meta_limit;
 int zfs_vdev_async_read_max_active;
 boolean_t spa_load_verify_dryrun;
+int aok;
 #endif
 
 static const char cmdname[] = "zdb";

Modified: stable/11/cddl/contrib/opensolaris/cmd/ztest/ztest.c
==============================================================================
--- stable/11/cddl/contrib/opensolaris/cmd/ztest/ztest.c        Mon Apr 16 
03:56:10 2018        (r332544)
+++ stable/11/cddl/contrib/opensolaris/cmd/ztest/ztest.c        Mon Apr 16 
03:58:08 2018        (r332545)
@@ -26,6 +26,7 @@
  * Copyright (c) 2013 Steven Hartland. All rights reserved.
  * Copyright (c) 2014 Integros [integros.com]
  * Copyright 2017 Joyent, Inc.
+ * Copyright 2017 RackTop Systems.
  */
 
 /*
@@ -247,8 +248,8 @@ typedef enum {
 typedef struct rll {
        void            *rll_writer;
        int             rll_readers;
-       mutex_t         rll_lock;
-       cond_t          rll_cv;
+       kmutex_t        rll_lock;
+       kcondvar_t      rll_cv;
 } rll_t;
 
 typedef struct rl {
@@ -282,11 +283,11 @@ typedef struct ztest_od {
 typedef struct ztest_ds {
        ztest_shared_ds_t *zd_shared;
        objset_t        *zd_os;
-       rwlock_t        zd_zilog_lock;
+       krwlock_t       zd_zilog_lock;
        zilog_t         *zd_zilog;
        ztest_od_t      *zd_od;         /* debugging aid */
        char            zd_name[ZFS_MAX_DATASET_NAME_LEN];
-       mutex_t         zd_dirobj_lock;
+       kmutex_t        zd_dirobj_lock;
        rll_t           zd_object_lock[ZTEST_OBJECT_LOCKS];
        rll_t           zd_range_lock[ZTEST_RANGE_LOCKS];
 } ztest_ds_t;
@@ -397,7 +398,7 @@ ztest_info_t ztest_info[] = {
  * The callbacks are ordered by txg number.
  */
 typedef struct ztest_cb_list {
-       mutex_t zcl_callbacks_lock;
+       kmutex_t zcl_callbacks_lock;
        list_t  zcl_callbacks;
 } ztest_cb_list_t;
 
@@ -432,7 +433,7 @@ ztest_shared_t *ztest_shared;
 static spa_t *ztest_spa = NULL;
 static ztest_ds_t *ztest_ds;
 
-static mutex_t ztest_vdev_lock;
+static kmutex_t ztest_vdev_lock;
 
 /*
  * The ztest_name_lock protects the pool and dataset namespace used by
@@ -440,7 +441,7 @@ static mutex_t ztest_vdev_lock;
  * this lock as writer. Grabbing the lock as reader will ensure that the
  * namespace does not change while the lock is held.
  */
-static rwlock_t ztest_name_lock;
+static krwlock_t ztest_name_lock;
 
 static boolean_t ztest_dump_core = B_TRUE;
 static boolean_t ztest_exiting;
@@ -1096,8 +1097,8 @@ ztest_rll_init(rll_t *rll)
 {
        rll->rll_writer = NULL;
        rll->rll_readers = 0;
-       VERIFY(_mutex_init(&rll->rll_lock, USYNC_THREAD, NULL) == 0);
-       VERIFY(cond_init(&rll->rll_cv, USYNC_THREAD, NULL) == 0);
+       mutex_init(&rll->rll_lock, NULL, USYNC_THREAD, NULL);
+       cv_init(&rll->rll_cv, NULL, USYNC_THREAD, NULL);
 }
 
 static void
@@ -1105,32 +1106,32 @@ ztest_rll_destroy(rll_t *rll)
 {
        ASSERT(rll->rll_writer == NULL);
        ASSERT(rll->rll_readers == 0);
-       VERIFY(_mutex_destroy(&rll->rll_lock) == 0);
-       VERIFY(cond_destroy(&rll->rll_cv) == 0);
+       mutex_destroy(&rll->rll_lock);
+       cv_destroy(&rll->rll_cv);
 }
 
 static void
 ztest_rll_lock(rll_t *rll, rl_type_t type)
 {
-       VERIFY(mutex_lock(&rll->rll_lock) == 0);
+       mutex_enter(&rll->rll_lock);
 
        if (type == RL_READER) {
                while (rll->rll_writer != NULL)
-                       (void) cond_wait(&rll->rll_cv, &rll->rll_lock);
+                       cv_wait(&rll->rll_cv, &rll->rll_lock);
                rll->rll_readers++;
        } else {
                while (rll->rll_writer != NULL || rll->rll_readers)
-                       (void) cond_wait(&rll->rll_cv, &rll->rll_lock);
+                       cv_wait(&rll->rll_cv, &rll->rll_lock);
                rll->rll_writer = curthread;
        }
 
-       VERIFY(mutex_unlock(&rll->rll_lock) == 0);
+       mutex_exit(&rll->rll_lock);
 }
 
 static void
 ztest_rll_unlock(rll_t *rll)
 {
-       VERIFY(mutex_lock(&rll->rll_lock) == 0);
+       mutex_enter(&rll->rll_lock);
 
        if (rll->rll_writer) {
                ASSERT(rll->rll_readers == 0);
@@ -1142,9 +1143,9 @@ ztest_rll_unlock(rll_t *rll)
        }
 
        if (rll->rll_writer == NULL && rll->rll_readers == 0)
-               VERIFY(cond_broadcast(&rll->rll_cv) == 0);
+               cv_broadcast(&rll->rll_cv);
 
-       VERIFY(mutex_unlock(&rll->rll_lock) == 0);
+       mutex_exit(&rll->rll_lock);
 }
 
 static void
@@ -1203,8 +1204,8 @@ ztest_zd_init(ztest_ds_t *zd, ztest_shared_ds_t *szd, 
        if (zd->zd_shared != NULL)
                zd->zd_shared->zd_seq = 0;
 
-       VERIFY(rwlock_init(&zd->zd_zilog_lock, USYNC_THREAD, NULL) == 0);
-       VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0);
+       rw_init(&zd->zd_zilog_lock, NULL, USYNC_THREAD, NULL);
+       mutex_init(&zd->zd_dirobj_lock, NULL, USYNC_THREAD, NULL);
 
        for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++)
                ztest_rll_init(&zd->zd_object_lock[l]);
@@ -1216,7 +1217,7 @@ ztest_zd_init(ztest_ds_t *zd, ztest_shared_ds_t *szd, 
 static void
 ztest_zd_fini(ztest_ds_t *zd)
 {
-       VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0);
+       mutex_destroy(&zd->zd_dirobj_lock);
 
        for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++)
                ztest_rll_destroy(&zd->zd_object_lock[l]);
@@ -1971,7 +1972,7 @@ ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count
        int missing = 0;
        int error;
 
-       ASSERT(_mutex_held(&zd->zd_dirobj_lock));
+       ASSERT(MUTEX_HELD(&zd->zd_dirobj_lock));
 
        for (int i = 0; i < count; i++, od++) {
                od->od_object = 0;
@@ -2011,7 +2012,7 @@ ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count
 {
        int missing = 0;
 
-       ASSERT(_mutex_held(&zd->zd_dirobj_lock));
+       ASSERT(MUTEX_HELD(&zd->zd_dirobj_lock));
 
        for (int i = 0; i < count; i++, od++) {
                if (missing) {
@@ -2056,7 +2057,7 @@ ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count
        int missing = 0;
        int error;
 
-       ASSERT(_mutex_held(&zd->zd_dirobj_lock));
+       ASSERT(MUTEX_HELD(&zd->zd_dirobj_lock));
 
        od += count - 1;
 
@@ -2202,7 +2203,7 @@ ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t off
        if (ztest_random(2) == 0)
                io_type = ZTEST_IO_WRITE_TAG;
 
-       (void) rw_rdlock(&zd->zd_zilog_lock);
+       rw_enter(&zd->zd_zilog_lock, RW_READER);
 
        switch (io_type) {
 
@@ -2239,7 +2240,7 @@ ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t off
                break;
 
        case ZTEST_IO_REWRITE:
-               (void) rw_rdlock(&ztest_name_lock);
+               rw_enter(&ztest_name_lock, RW_READER);
                err = ztest_dsl_prop_set_uint64(zd->zd_name,
                    ZFS_PROP_CHECKSUM, spa_dedup_checksum(ztest_spa),
                    B_FALSE);
@@ -2249,7 +2250,7 @@ ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t off
                    ztest_random_dsl_prop(ZFS_PROP_COMPRESSION),
                    B_FALSE);
                VERIFY(err == 0 || err == ENOSPC);
-               (void) rw_unlock(&ztest_name_lock);
+               rw_exit(&ztest_name_lock);
 
                VERIFY0(dmu_read(zd->zd_os, object, offset, blocksize, data,
                    DMU_READ_NO_PREFETCH));
@@ -2258,7 +2259,7 @@ ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t off
                break;
        }
 
-       (void) rw_unlock(&zd->zd_zilog_lock);
+       rw_exit(&zd->zd_zilog_lock);
 
        umem_free(data, blocksize);
 }
@@ -2297,13 +2298,13 @@ ztest_object_init(ztest_ds_t *zd, ztest_od_t *od, size
        int count = size / sizeof (*od);
        int rv = 0;
 
-       VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0);
+       mutex_enter(&zd->zd_dirobj_lock);
        if ((ztest_lookup(zd, od, count) != 0 || remove) &&
            (ztest_remove(zd, od, count) != 0 ||
            ztest_create(zd, od, count) != 0))
                rv = -1;
        zd->zd_od = od;
-       VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0);
+       mutex_exit(&zd->zd_dirobj_lock);
 
        return (rv);
 }
@@ -2314,7 +2315,7 @@ ztest_zil_commit(ztest_ds_t *zd, uint64_t id)
 {
        zilog_t *zilog = zd->zd_zilog;
 
-       (void) rw_rdlock(&zd->zd_zilog_lock);
+       rw_enter(&zd->zd_zilog_lock, RW_READER);
 
        zil_commit(zilog, ztest_random(ZTEST_OBJECTS));
 
@@ -2329,7 +2330,7 @@ ztest_zil_commit(ztest_ds_t *zd, uint64_t id)
        zd->zd_shared->zd_seq = zilog->zl_commit_lr_seq;
        mutex_exit(&zilog->zl_lock);
 
-       (void) rw_unlock(&zd->zd_zilog_lock);
+       rw_exit(&zd->zd_zilog_lock);
 }
 
 /*
@@ -2348,8 +2349,8 @@ ztest_zil_remount(ztest_ds_t *zd, uint64_t id)
         * updating the zil (i.e. adding in-memory log records) and the
         * zd_zilog_lock to block any I/O.
         */
-       VERIFY0(mutex_lock(&zd->zd_dirobj_lock));
-       (void) rw_wrlock(&zd->zd_zilog_lock);
+       mutex_enter(&zd->zd_dirobj_lock);
+       rw_enter(&zd->zd_zilog_lock, RW_WRITER);
 
        /* zfsvfs_teardown() */
        zil_close(zd->zd_zilog);
@@ -2358,8 +2359,8 @@ ztest_zil_remount(ztest_ds_t *zd, uint64_t id)
        VERIFY(zil_open(os, ztest_get_data) == zd->zd_zilog);
        zil_replay(os, zd, ztest_replay_vector);
 
-       (void) rw_unlock(&zd->zd_zilog_lock);
-       VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0);
+       rw_exit(&zd->zd_zilog_lock);
+       mutex_exit(&zd->zd_dirobj_lock);
 }
 
 /*
@@ -2394,7 +2395,7 @@ ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id)
         * Attempt to create an existing pool.  It shouldn't matter
         * what's in the nvroot; we should fail with EEXIST.
         */
-       (void) rw_rdlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_READER);
        nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1);
        VERIFY3U(EEXIST, ==, spa_create(zo->zo_pool, nvroot, NULL, NULL));
        nvlist_free(nvroot);
@@ -2402,7 +2403,7 @@ ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id)
        VERIFY3U(EBUSY, ==, spa_destroy(zo->zo_pool));
        spa_close(spa, FTAG);
 
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 }
 
 /* ARGSUSED */
@@ -2415,7 +2416,7 @@ ztest_spa_upgrade(ztest_ds_t *zd, uint64_t id)
        nvlist_t *nvroot, *props;
        char *name;
 
-       VERIFY0(mutex_lock(&ztest_vdev_lock));
+       mutex_enter(&ztest_vdev_lock);
        name = kmem_asprintf("%s_upgrade", ztest_opts.zo_pool);
 
        /*
@@ -2474,7 +2475,7 @@ ztest_spa_upgrade(ztest_ds_t *zd, uint64_t id)
        spa_close(spa, FTAG);
 
        strfree(name);
-       VERIFY0(mutex_unlock(&ztest_vdev_lock));
+       mutex_exit(&ztest_vdev_lock);
 }
 
 static vdev_t *
@@ -2527,7 +2528,7 @@ ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id)
        nvlist_t *nvroot;
        int error;
 
-       VERIFY(mutex_lock(&ztest_vdev_lock) == 0);
+       mutex_enter(&ztest_vdev_lock);
        leaves = MAX(zs->zs_mirrors + zs->zs_splits, 1) * ztest_opts.zo_raidz;
 
        spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
@@ -2553,9 +2554,9 @@ ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id)
                 * dmu_objset_destroy() to fail with EBUSY thus
                 * leaving the dataset in an inconsistent state.
                 */
-               VERIFY(rw_wrlock(&ztest_name_lock) == 0);
+               rw_enter(&ztest_name_lock, RW_WRITER);
                error = spa_vdev_remove(spa, guid, B_FALSE);
-               VERIFY(rw_unlock(&ztest_name_lock) == 0);
+               rw_exit(&ztest_name_lock);
 
                if (error && error != EEXIST)
                        fatal(0, "spa_vdev_remove() = %d", error);
@@ -2579,7 +2580,7 @@ ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id)
                        fatal(0, "spa_vdev_add() = %d", error);
        }
 
-       VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+       mutex_exit(&ztest_vdev_lock);
 }
 
 /*
@@ -2605,7 +2606,7 @@ ztest_vdev_aux_add_remove(ztest_ds_t *zd, uint64_t id)
                aux = ZPOOL_CONFIG_L2CACHE;
        }
 
-       VERIFY(mutex_lock(&ztest_vdev_lock) == 0);
+       mutex_enter(&ztest_vdev_lock);
 
        spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
 
@@ -2662,7 +2663,7 @@ ztest_vdev_aux_add_remove(ztest_ds_t *zd, uint64_t id)
                        fatal(0, "spa_vdev_remove(%llu) = %d", guid, error);
        }
 
-       VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+       mutex_exit(&ztest_vdev_lock);
 }
 
 /*
@@ -2679,11 +2680,11 @@ ztest_split_pool(ztest_ds_t *zd, uint64_t id)
        uint_t c, children, schildren = 0, lastlogid = 0;
        int error = 0;
 
-       VERIFY(mutex_lock(&ztest_vdev_lock) == 0);
+       mutex_enter(&ztest_vdev_lock);
 
        /* ensure we have a useable config; mirrors of raidz aren't supported */
        if (zs->zs_mirrors < 3 || ztest_opts.zo_raidz > 1) {
-               VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+               mutex_exit(&ztest_vdev_lock);
                return;
        }
 
@@ -2742,9 +2743,9 @@ ztest_split_pool(ztest_ds_t *zd, uint64_t id)
 
        spa_config_exit(spa, SCL_VDEV, FTAG);
 
-       (void) rw_wrlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_WRITER);
        error = spa_vdev_split_mirror(spa, "splitp", config, NULL, B_FALSE);
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 
        nvlist_free(config);
 
@@ -2757,7 +2758,7 @@ ztest_split_pool(ztest_ds_t *zd, uint64_t id)
                ++zs->zs_splits;
                --zs->zs_mirrors;
        }
-       VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+       mutex_exit(&ztest_vdev_lock);
 
 }
 
@@ -2786,7 +2787,7 @@ ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id)
        int oldvd_is_log;
        int error, expected_error;
 
-       VERIFY(mutex_lock(&ztest_vdev_lock) == 0);
+       mutex_enter(&ztest_vdev_lock);
        leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz;
 
        spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER);
@@ -2799,7 +2800,7 @@ ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id)
         */
        if (spa->spa_vdev_removal != NULL) {
                spa_config_exit(spa, SCL_ALL, FTAG);
-               VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+               mutex_exit(&ztest_vdev_lock);
                return;
        }
 
@@ -2859,7 +2860,7 @@ ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id)
                if (error != 0 && error != ENODEV && error != EBUSY &&
                    error != ENOTSUP)
                        fatal(0, "detach (%s) returned %d", oldpath, error);
-               VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+               mutex_exit(&ztest_vdev_lock);
                return;
        }
 
@@ -2957,7 +2958,7 @@ ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id)
                    newsize, replacing, error, expected_error);
        }
 
-       VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+       mutex_exit(&ztest_vdev_lock);
 }
 
 /* ARGSUSED */
@@ -2968,7 +2969,7 @@ ztest_device_removal(ztest_ds_t *zd, uint64_t id)
        vdev_t *vd;
        uint64_t guid;
 
-       VERIFY(mutex_lock(&ztest_vdev_lock) == 0);
+       mutex_enter(&ztest_vdev_lock);
 
        spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
        vd = vdev_lookup_top(spa, ztest_random_vdev_top(spa, B_FALSE));
@@ -2977,7 +2978,7 @@ ztest_device_removal(ztest_ds_t *zd, uint64_t id)
 
        (void) spa_vdev_remove(spa, guid, B_FALSE);
 
-       VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+       mutex_exit(&ztest_vdev_lock);
 }
 
 /*
@@ -3105,7 +3106,7 @@ ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id)
        uint64_t top;
        uint64_t old_class_space, new_class_space, old_ms_count, new_ms_count;
 
-       VERIFY(mutex_lock(&ztest_vdev_lock) == 0);
+       mutex_enter(&ztest_vdev_lock);
        spa_config_enter(spa, SCL_STATE, spa, RW_READER);
 
        /*
@@ -3116,7 +3117,7 @@ ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id)
         */
        if (spa->spa_vdev_removal != NULL) {
                spa_config_exit(spa, SCL_STATE, FTAG);
-               VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+               mutex_exit(&ztest_vdev_lock);
                return;
        }
 
@@ -3145,7 +3146,7 @@ ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id)
        if (tvd->vdev_state != VDEV_STATE_HEALTHY ||
            psize == 0 || psize >= 4 * ztest_opts.zo_vdev_size) {
                spa_config_exit(spa, SCL_STATE, spa);
-               VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+               mutex_exit(&ztest_vdev_lock);
                return;
        }
        ASSERT(psize > 0);
@@ -3170,7 +3171,7 @@ ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id)
                            "the vdev configuration changed.\n");
                }
                spa_config_exit(spa, SCL_STATE, spa);
-               VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+               mutex_exit(&ztest_vdev_lock);
                return;
        }
 
@@ -3204,7 +3205,7 @@ ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id)
                            "intervening vdev offline or remove.\n");
                }
                spa_config_exit(spa, SCL_STATE, spa);
-               VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+               mutex_exit(&ztest_vdev_lock);
                return;
        }
 
@@ -3234,7 +3235,7 @@ ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id)
        }
 
        spa_config_exit(spa, SCL_STATE, spa);
-       VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+       mutex_exit(&ztest_vdev_lock);
 }
 
 /*
@@ -3345,7 +3346,7 @@ ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64
        char name[ZFS_MAX_DATASET_NAME_LEN];
        zilog_t *zilog;
 
-       (void) rw_rdlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_READER);
 
        (void) snprintf(name, sizeof (name), "%s/temp_%llu",
            ztest_opts.zo_pool, (u_longlong_t)id);
@@ -3384,7 +3385,7 @@ ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64
        if (error) {
                if (error == ENOSPC) {
                        ztest_record_enospc(FTAG);
-                       (void) rw_unlock(&ztest_name_lock);
+                       rw_exit(&ztest_name_lock);
                        return;
                }
                fatal(0, "dmu_objset_create(%s) = %d", name, error);
@@ -3432,7 +3433,7 @@ ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64
        dmu_objset_disown(os, FTAG);
        ztest_zd_fini(&zdtmp);
 
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 }
 
 /*
@@ -3441,10 +3442,10 @@ ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64
 void
 ztest_dmu_snapshot_create_destroy(ztest_ds_t *zd, uint64_t id)
 {
-       (void) rw_rdlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_READER);
        (void) ztest_snapshot_destroy(zd->zd_name, id);
        (void) ztest_snapshot_create(zd->zd_name, id);
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 }
 
 /*
@@ -3503,7 +3504,7 @@ ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_
        char *osname = zd->zd_name;
        int error;
 
-       (void) rw_rdlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_READER);
 
        ztest_dsl_dataset_cleanup(osname, id);
 
@@ -3580,7 +3581,7 @@ ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_
 out:
        ztest_dsl_dataset_cleanup(osname, id);
 
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 }
 
 /*
@@ -4513,9 +4514,9 @@ ztest_commit_callback(void *arg, int error)
        ASSERT3U(data->zcd_txg, !=, 0);
 
        /* Remove our callback from the list */
-       (void) mutex_lock(&zcl.zcl_callbacks_lock);
+       mutex_enter(&zcl.zcl_callbacks_lock);
        list_remove(&zcl.zcl_callbacks, data);
-       (void) mutex_unlock(&zcl.zcl_callbacks_lock);
+       mutex_exit(&zcl.zcl_callbacks_lock);
 
 out:
        umem_free(data, sizeof (ztest_cb_data_t));
@@ -4617,7 +4618,7 @@ ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id
 
        dmu_write(os, od[0].od_object, 0, sizeof (uint64_t), &txg, tx);
 
-       (void) mutex_lock(&zcl.zcl_callbacks_lock);
+       mutex_enter(&zcl.zcl_callbacks_lock);
 
        /*
         * Since commit callbacks don't have any ordering requirement and since
@@ -4664,7 +4665,7 @@ ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id
                tmp_cb = cb_data[i];
        }
 
-       (void) mutex_unlock(&zcl.zcl_callbacks_lock);
+       mutex_exit(&zcl.zcl_callbacks_lock);
 
        dmu_tx_commit(tx);
 }
@@ -4680,27 +4681,27 @@ ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id)
                ZFS_PROP_DEDUP
        };
 
-       (void) rw_rdlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_READER);
 
        for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++)
                (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p],
                    ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2));
 
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 }
 
 /* ARGSUSED */
 void
 ztest_remap_blocks(ztest_ds_t *zd, uint64_t id)
 {
-       (void) rw_rdlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_READER);
 
        int error = dmu_objset_remap_indirects(zd->zd_name);
        if (error == ENOSPC)
                error = 0;
        ASSERT0(error);
 
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 }
 
 /* ARGSUSED */
@@ -4709,7 +4710,7 @@ ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id)
 {
        nvlist_t *props = NULL;
 
-       (void) rw_rdlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_READER);
 
        (void) ztest_spa_prop_set_uint64(ZPOOL_PROP_DEDUPDITTO,
            ZIO_DEDUPDITTO_MIN + ztest_random(ZIO_DEDUPDITTO_MIN));
@@ -4721,7 +4722,7 @@ ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id)
 
        nvlist_free(props);
 
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 }
 
 static int
@@ -4756,7 +4757,7 @@ ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id)
        char osname[ZFS_MAX_DATASET_NAME_LEN];
        nvlist_t *holds;
 
-       (void) rw_rdlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_READER);
 
        dmu_objset_name(os, osname);
 
@@ -4861,7 +4862,7 @@ ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id)
        VERIFY3U(dmu_objset_hold(fullname, FTAG, &origin), ==, ENOENT);
 
 out:
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 }
 
 /*
@@ -4889,11 +4890,11 @@ ztest_fault_inject(ztest_ds_t *zd, uint64_t id)
        uint64_t guid0 = 0;
        boolean_t islog = B_FALSE;
 
-       VERIFY(mutex_lock(&ztest_vdev_lock) == 0);
+       mutex_enter(&ztest_vdev_lock);
        maxfaults = MAXFAULTS();
        leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz;
        mirror_save = zs->zs_mirrors;
-       VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+       mutex_exit(&ztest_vdev_lock);
 
        ASSERT(leaves >= 1);
 
@@ -4903,7 +4904,7 @@ ztest_fault_inject(ztest_ds_t *zd, uint64_t id)
         * they are in progress (i.e. spa_change_guid). Those
         * operations will have grabbed the name lock as writer.
         */
-       (void) rw_rdlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_READER);
 
        /*
         * We need SCL_STATE here because we're going to look at vd0->vdev_tsd.
@@ -4975,7 +4976,7 @@ ztest_fault_inject(ztest_ds_t *zd, uint64_t id)
 
                if (sav->sav_count == 0) {
                        spa_config_exit(spa, SCL_STATE, FTAG);
-                       (void) rw_unlock(&ztest_name_lock);
+                       rw_exit(&ztest_name_lock);
                        return;
                }
                vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)];
@@ -4989,7 +4990,7 @@ ztest_fault_inject(ztest_ds_t *zd, uint64_t id)
        }
 
        spa_config_exit(spa, SCL_STATE, FTAG);
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 
        /*
         * If we can tolerate two or more faults, or we're dealing
@@ -5009,12 +5010,12 @@ ztest_fault_inject(ztest_ds_t *zd, uint64_t id)
                         * leaving the dataset in an inconsistent state.
                         */
                        if (islog)
-                               (void) rw_wrlock(&ztest_name_lock);
+                               rw_enter(&ztest_name_lock, RW_WRITER);
 
                        VERIFY(vdev_offline(spa, guid0, flags) != EBUSY);
 
                        if (islog)
-                               (void) rw_unlock(&ztest_name_lock);
+                               rw_exit(&ztest_name_lock);
                } else {
                        /*
                         * Ideally we would like to be able to randomly
@@ -5025,9 +5026,9 @@ ztest_fault_inject(ztest_ds_t *zd, uint64_t id)
                         * prevent a race between injection testing and
                         * aux_vdev removal.
                         */
-                       VERIFY(mutex_lock(&ztest_vdev_lock) == 0);
+                       mutex_enter(&ztest_vdev_lock);
                        (void) vdev_online(spa, guid0, 0, NULL);
-                       VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+                       mutex_exit(&ztest_vdev_lock);
                }
        }
 
@@ -5099,9 +5100,9 @@ ztest_fault_inject(ztest_ds_t *zd, uint64_t id)
                    offset + sizeof (bad) > psize - VDEV_LABEL_END_SIZE)
                        continue;
 
-               VERIFY(mutex_lock(&ztest_vdev_lock) == 0);
+               mutex_enter(&ztest_vdev_lock);
                if (mirror_save != zs->zs_mirrors) {
-                       VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+                       mutex_exit(&ztest_vdev_lock);
                        (void) close(fd);
                        return;
                }
@@ -5110,7 +5111,7 @@ ztest_fault_inject(ztest_ds_t *zd, uint64_t id)
                        fatal(1, "can't inject bad word at 0x%llx in %s",
                            offset, pathrand);
 
-               VERIFY(mutex_unlock(&ztest_vdev_lock) == 0);
+               mutex_exit(&ztest_vdev_lock);
 
                if (ztest_opts.zo_verbose >= 7)
                        (void) printf("injected bad word into %s,"
@@ -5150,13 +5151,13 @@ ztest_ddt_repair(ztest_ds_t *zd, uint64_t id)
         * Take the name lock as writer to prevent anyone else from changing
         * the pool and dataset properies we need to maintain during this test.
         */
-       (void) rw_wrlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_WRITER);
 
        if (ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_DEDUP, checksum,
            B_FALSE) != 0 ||
            ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_COPIES, 1,
            B_FALSE) != 0) {
-               (void) rw_unlock(&ztest_name_lock);
+               rw_exit(&ztest_name_lock);
                return;
        }
 
@@ -5175,7 +5176,7 @@ ztest_ddt_repair(ztest_ds_t *zd, uint64_t id)
        dmu_tx_hold_write(tx, object, 0, copies * blocksize);
        txg = ztest_tx_assign(tx, TXG_WAIT, FTAG);
        if (txg == 0) {
-               (void) rw_unlock(&ztest_name_lock);
+               rw_exit(&ztest_name_lock);
                return;
        }
 
@@ -5223,7 +5224,7 @@ ztest_ddt_repair(ztest_ds_t *zd, uint64_t id)
 
        abd_free(abd);
 
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 }
 
 /*
@@ -5254,9 +5255,9 @@ ztest_reguid(ztest_ds_t *zd, uint64_t id)
        orig = spa_guid(spa);
        load = spa_load_guid(spa);
 
-       (void) rw_wrlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_WRITER);
        error = spa_change_guid(spa);
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 
        if (error != 0)
                return;
@@ -5280,7 +5281,7 @@ ztest_spa_rename(ztest_ds_t *zd, uint64_t id)
        char *oldname, *newname;
        spa_t *spa;
 
-       (void) rw_wrlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_WRITER);
 
        oldname = ztest_opts.zo_pool;
        newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL);
@@ -5320,7 +5321,7 @@ ztest_spa_rename(ztest_ds_t *zd, uint64_t id)
 
        umem_free(newname, strlen(newname) + 1);
 
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 }
 
 /*
@@ -5676,18 +5677,18 @@ ztest_dataset_open(int d)
 
        ztest_dataset_name(name, ztest_opts.zo_pool, d);
 
-       (void) rw_rdlock(&ztest_name_lock);
+       rw_enter(&ztest_name_lock, RW_READER);
 
        error = ztest_dataset_create(name);
        if (error == ENOSPC) {
-               (void) rw_unlock(&ztest_name_lock);
+               rw_exit(&ztest_name_lock);
                ztest_record_enospc(FTAG);
                return (error);
        }
        ASSERT(error == 0 || error == EEXIST);
 
        VERIFY0(dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, zd, &os));
-       (void) rw_unlock(&ztest_name_lock);
+       rw_exit(&ztest_name_lock);
 
        ztest_zd_init(zd, ZTEST_GET_SHARED_DS(d), os);
 
@@ -5749,8 +5750,8 @@ ztest_run(ztest_shared_t *zs)
        /*
         * Initialize parent/child shared state.
         */
-       VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0);
-       VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0);
+       mutex_init(&ztest_vdev_lock, NULL, USYNC_THREAD, NULL);
+       rw_init(&ztest_name_lock, NULL, USYNC_THREAD, NULL);
 
        zs->zs_thread_start = gethrtime();
        zs->zs_thread_stop =
@@ -5762,7 +5763,7 @@ ztest_run(ztest_shared_t *zs)
                    ztest_random(ztest_opts.zo_passtime * NANOSEC);
        }
 
-       (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, NULL);
+       mutex_init(&zcl.zcl_callbacks_lock, NULL, USYNC_THREAD, NULL);
 
        list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t),
            offsetof(ztest_cb_data_t, zcd_node));
@@ -5909,10 +5910,10 @@ ztest_run(ztest_shared_t *zs)
 
        list_destroy(&zcl.zcl_callbacks);
 
-       (void) _mutex_destroy(&zcl.zcl_callbacks_lock);
+       mutex_destroy(&zcl.zcl_callbacks_lock);
 
-       (void) rwlock_destroy(&ztest_name_lock);
-       (void) _mutex_destroy(&ztest_vdev_lock);
+       rw_destroy(&ztest_name_lock);
+       mutex_destroy(&ztest_vdev_lock);
 }
 
 static void
@@ -6056,8 +6057,8 @@ ztest_init(ztest_shared_t *zs)
        spa_t *spa;
        nvlist_t *nvroot, *props;
 
-       VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0);
-       VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0);
+       mutex_init(&ztest_vdev_lock, NULL, USYNC_THREAD, NULL);
+       rw_init(&ztest_name_lock, NULL, USYNC_THREAD, NULL);
 
        kernel_init(FREAD | FWRITE);
 
@@ -6095,8 +6096,8 @@ ztest_init(ztest_shared_t *zs)
 
        ztest_run_zdb(ztest_opts.zo_pool);
 
-       (void) rwlock_destroy(&ztest_name_lock);
-       (void) _mutex_destroy(&ztest_vdev_lock);
+       rw_destroy(&ztest_name_lock);
+       mutex_destroy(&ztest_vdev_lock);
 }
 
 static void
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