1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# This file and its contents are supplied under the terms of the 6# Common Development and Distribution License ("CDDL"), version 1.0. 7# You may only use this file in accordance with the terms of version 8# 1.0 of the CDDL. 9# 10# A full copy of the text of the CDDL should have accompanied this 11# source. A copy of the CDDL is also available via the Internet at 12# http://www.illumos.org/license/CDDL. 13# 14# CDDL HEADER END 15# 16 17# 18# Copyright 2018, loli10K <ezomori.nozomu@gmail.com>. All rights reserved. 19# 20 21. $STF_SUITE/include/libtest.shlib 22 23# 24# DESCRIPTION: 25# ZVOLs cannot have children datasets: verify zfs commands respect this 26# hierarchy rule. 27# 28# STRATEGY: 29# 1. Create a filesystem and a ZVOL 30# 2. Verify 'zfs recv' will not (force-)receive a ZVOL over the root dataset 31# 3. Verify 'zfs recv' cannot receive a ZVOL overwriting datasets with children 32# 4. Verify 'zfs recv' cannot receive datasets below a ZVOL 33# 5. Verify 'zfs create' cannot create datasets under a ZVOL 34# 6. Verify 'zfs rename' cannot move datasets under a ZVOL 35# 36 37verify_runnable "both" 38 39function cleanup 40{ 41 destroy_pool "$poolname" 42 log_must rm -f "$vdevfile" "$streamfile_fs" "$streamfile_zvol" 43} 44 45log_assert "ZVOLs cannot have children datasets: verify zfs commands respect "\ 46 "this hierarchy rule" 47log_onexit cleanup 48 49poolname="$TESTPOOL-zvol_hierarchy" 50vdevfile="$TEST_BASE_DIR/vdevfile.$$" 51streamfile_fs="$TEST_BASE_DIR/streamfile_fs.$$" 52streamfile_zvol="$TEST_BASE_DIR/streamfile_zvol.$$" 53 54# 1. Create filesystems and ZVOLs 55# NOTE: set "mountpoint=none" just to speed up the test process 56log_must truncate -s $MINVDEVSIZE "$vdevfile" 57log_must zpool create -O mountpoint=none "$poolname" "$vdevfile" 58log_must zfs create "$poolname/sendfs" 59log_must zfs create -V 1M -s "$poolname/sendvol" 60log_must zfs snapshot "$poolname/sendfs@snap" 61log_must zfs snapshot "$poolname/sendvol@snap" 62log_must eval "zfs send $poolname/sendfs@snap > $streamfile_fs" 63log_must eval "zfs send $poolname/sendvol@snap > $streamfile_zvol" 64 65# 2. Verify 'zfs recv' will not (force-)receive a ZVOL over the root dataset 66log_mustnot eval "zfs receive -F $poolname < $streamfile_zvol" 67 68# 3. Verify 'zfs recv' cannot receive a ZVOL overwriting datasets with children 69log_must zfs create "$poolname/fs" 70log_must zfs create "$poolname/fs/subfs" 71log_mustnot eval "zfs receive -F $poolname/fs < $streamfile_zvol" 72log_must zfs destroy "$poolname/fs/subfs" 73log_must eval "zfs receive -F $poolname/fs < $streamfile_zvol" 74 75# 4. Verify 'zfs recv' cannot receive datasets below a ZVOL 76log_must zfs create -V 1M -s "$poolname/volume" 77log_mustnot eval "zfs receive $poolname/volume/subfs < $streamfile_fs" 78log_mustnot eval "zfs receive $poolname/volume/subvol < $streamfile_zvol" 79 80# 5. Verify 'zfs create' cannot create datasets under a ZVOL 81log_must zfs create -V 1M -s "$poolname/createvol" 82log_mustnot zfs create "$poolname/createvol/fs" 83log_mustnot zfs create -V 1M -s "$poolname/createvol/vol" 84 85# 6. Verify 'zfs rename' cannot move datasets under a ZVOL 86log_must zfs create "$poolname/movefs" 87log_must zfs create -V 1M -s "$poolname/movevol" 88log_must zfs create -V 1M -s "$poolname/renamevol" 89log_mustnot zfs rename "$poolname/fs" "$poolname/renamevol/fs" 90log_mustnot zfs rename "$poolname/vol" "$poolname/renamevol/vol" 91 92log_pass "ZVOLs cannot have children datasets and zfs commands enforce this "\ 93 "rule" 94