Add missing *_destroy/*_fini calls

The proposed debugging enhancements in zfsonlinux/spl#587
identified the following missing *_destroy/*_fini calls.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Gvozden Neskovic <neskovic@gmail.com>
Closes #5428

module/zfs/dmu_objset.c

@@ -846,6 +846,7 @@ dmu_objset_evict_done(objset_t *os)
 	mutex_destroy(&os->os_userused_lock);
 	mutex_destroy(&os->os_obj_lock);
 	mutex_destroy(&os->os_user_ptr_lock);
+	mutex_destroy(&os->os_upgrade_lock);
 	for (int i = 0; i < TXG_SIZE; i++) {
 		multilist_destroy(os->os_dirty_dnodes[i]);
 	}

module/zfs/dsl_deadlist.c

@@ -120,6 +120,7 @@ dsl_deadlist_close(dsl_deadlist_t *dl)
 	dsl_deadlist_entry_t *dle;
 
 	dl->dl_os = NULL;
+	mutex_destroy(&dl->dl_lock);
 
 	if (dl->dl_oldfmt) {
 		dl->dl_oldfmt = B_FALSE;
@@ -136,7 +137,6 @@ dsl_deadlist_close(dsl_deadlist_t *dl)
 		avl_destroy(&dl->dl_tree);
 	}
 	dmu_buf_rele(dl->dl_dbuf, dl);
-	mutex_destroy(&dl->dl_lock);
 	dl->dl_dbuf = NULL;
 	dl->dl_phys = NULL;
 }

module/zfs/dsl_pool.c

@@ -348,6 +348,7 @@ dsl_pool_close(dsl_pool_t *dp)
 
 	rrw_destroy(&dp->dp_config_rwlock);
 	mutex_destroy(&dp->dp_lock);
+	cv_destroy(&dp->dp_spaceavail_cv);
 	taskq_destroy(dp->dp_iput_taskq);
 	if (dp->dp_blkstats)
 		vmem_free(dp->dp_blkstats, sizeof (zfs_all_blkstats_t));

module/zfs/vdev.c

@@ -710,6 +710,9 @@ vdev_free(vdev_t *vd)
 	mutex_destroy(&vd->vdev_stat_lock);
 	mutex_destroy(&vd->vdev_probe_lock);
 
+	zfs_ratelimit_fini(&vd->vdev_delay_rl);
+	zfs_ratelimit_fini(&vd->vdev_checksum_rl);
+
 	if (vd == spa->spa_root_vdev)
 		spa->spa_root_vdev = NULL;
 

module/zfs/zap.c

@@ -84,7 +84,7 @@ fzap_upgrade(zap_t *zap, dmu_tx_t *tx, zap_flags_t flags)
 	zap->zap_dbu.dbu_evict_func_sync = zap_evict_sync;
 	zap->zap_dbu.dbu_evict_func_async = NULL;
 
-	mutex_init(&zap->zap_f.zap_num_entries_mtx, 0, 0, 0);
+	mutex_init(&zap->zap_f.zap_num_entries_mtx, 0, MUTEX_DEFAULT, 0);
 	zap->zap_f.zap_block_shift = highbit64(zap->zap_dbuf->db_size) - 1;
 
 	zp = zap_f_phys(zap);

module/zfs/zap_micro.c

@@ -404,7 +404,8 @@ mzap_open(objset_t *os, uint64_t obj, dmu_buf_t *db)
 	zap->zap_dbuf = db;
 
 	if (zap_block_type != ZBT_MICRO) {
-		mutex_init(&zap->zap_f.zap_num_entries_mtx, 0, 0, 0);
+		mutex_init(&zap->zap_f.zap_num_entries_mtx, 0, MUTEX_DEFAULT,
+		    0);
 		zap->zap_f.zap_block_shift = highbit64(db->db_size) - 1;
 		if (zap_block_type != ZBT_HEADER || zap_magic != ZAP_MAGIC) {
 			winner = NULL;	/* No actual winner here... */

module/zfs/zfs_znode.c

@@ -1913,6 +1913,8 @@ zfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *zplprops, dmu_tx_t *tx)
 		mutex_destroy(&zfsvfs->z_hold_locks[i]);
 	}
 
+	mutex_destroy(&zfsvfs->z_znodes_lock);
+
 	vmem_free(zfsvfs->z_hold_trees, sizeof (avl_tree_t) * size);
 	vmem_free(zfsvfs->z_hold_locks, sizeof (kmutex_t) * size);
 	kmem_free(sb, sizeof (struct super_block));