diff options
Diffstat (limited to 'tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_remount.ksh')
| -rwxr-xr-x | tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_remount.ksh | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_remount.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_remount.ksh new file mode 100755 index 000000000000..9712c793a919 --- /dev/null +++ b/tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_remount.ksh @@ -0,0 +1,171 @@ +#!/bin/ksh -p +# +# CDDL HEADER START +# +# The contents of this file are subject to the terms of the +# Common Development and Distribution License (the "License"). +# You may not use this file except in compliance with the License. +# +# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE +# or http://www.opensolaris.org/os/licensing. +# See the License for the specific language governing permissions +# and limitations under the License. +# +# When distributing Covered Code, include this CDDL HEADER in each +# file and include the License file at usr/src/OPENSOLARIS.LICENSE. +# If applicable, add the following below this CDDL HEADER, with the +# fields enclosed by brackets "[]" replaced with your own identifying +# information: Portions Copyright [yyyy] [name of copyright owner] +# +# CDDL HEADER END +# + +# +# Copyright 2017, loli10K <ezomori.nozomu@gmail.com>. All rights reserved. +# + +. $STF_SUITE/include/libtest.shlib +. $STF_SUITE/tests/functional/cli_root/zfs_mount/zfs_mount.kshlib + +# +# DESCRIPTION: +# Verify remount functionality, especially on readonly objects. +# +# STRATEGY: +# 1. Prepare a filesystem and a snapshot +# 2. Verify we can (re)mount the dataset readonly/read-write +# 3. Verify we can mount the snapshot and it's mounted readonly +# 4. Verify we can't remount it read-write +# 5. Verify we can remount a dataset readonly and unmount it with +# encryption=on and sync=disabled (issue #7753) +# 6. Re-import the pool readonly +# 7. Verify we can't remount its filesystem read-write +# + +verify_runnable "both" + +function cleanup +{ + log_must_busy zpool export $TESTPOOL + log_must zpool import $TESTPOOL + snapexists $TESTSNAP && log_must zfs destroy $TESTSNAP + [[ -d $MNTPSNAP ]] && log_must rmdir $MNTPSNAP + return 0 +} + +if is_freebsd; then + typeset RO="-t zfs -ur" + typeset RW="-t zfs -uw" +else + typeset RO="-o remount,ro" + typeset RW="-o remount,rw" +fi + +# +# Verify the $filesystem is mounted readonly +# This is preferred over "log_mustnot touch $fs" because we actually want to +# verify the error returned is EROFS +# +function readonlyfs # filesystem +{ + typeset filesystem="$1" + + file_write -o create -f $filesystem/file.dat + ret=$? + if [[ $ret != 30 ]]; then + log_fail "Writing to $filesystem did not return EROFS ($ret)." + fi +} + +# +# Verify $dataset is mounted with $option +# +function checkmount # dataset option +{ + typeset dataset="$1" + typeset option="$2" + typeset options="" + + if is_freebsd; then + options=$(mount -p | awk -v ds="$dataset" '$1 == ds { print $4 }') + else + options=$(awk -v ds="$dataset" '$1 == ds { print $4 }' /proc/mounts) + fi + if [[ "$options" == '' ]]; then + log_fail "Dataset $dataset is not mounted" + elif [[ ! -z "${options##*$option*}" ]]; then + log_fail "Dataset $dataset is not mounted with expected "\ + "option $option ($options)" + else + log_note "Dataset $dataset is mounted with option $option" + fi +} + +log_assert "Verify remount functionality on both filesystem and snapshots" + +log_onexit cleanup + +# 1. Prepare a filesystem and a snapshot +TESTFS=$TESTPOOL/$TESTFS +TESTSNAP="$TESTFS@snap" +datasetexists $TESTFS || log_must zfs create $TESTFS +snapexists $TESTSNAP || log_must zfs snapshot $TESTSNAP +log_must zfs set readonly=off $TESTFS +MNTPFS="$(get_prop mountpoint $TESTFS)" +MNTPSNAP="$TESTDIR/zfs_snap_mount" +log_must mkdir -p $MNTPSNAP + +# 2. Verify we can (re)mount the dataset readonly/read-write +log_must touch $MNTPFS/file.dat +checkmount $TESTFS 'rw' +log_must mount $RO $TESTFS $MNTPFS +readonlyfs $MNTPFS +checkmount $TESTFS 'ro' +log_must mount $RW $TESTFS $MNTPFS +log_must touch $MNTPFS/file.dat +checkmount $TESTFS 'rw' + +if is_linux; then + # 3. Verify we can (re)mount the snapshot readonly + log_must mount -t zfs $TESTSNAP $MNTPSNAP + readonlyfs $MNTPSNAP + checkmount $TESTSNAP 'ro' + log_must mount $RO $TESTSNAP $MNTPSNAP + readonlyfs $MNTPSNAP + checkmount $TESTSNAP 'ro' + log_must umount $MNTPSNAP +fi + +# 4. Verify we can't remount a snapshot read-write +# The "mount -o rw" command will succeed but the snapshot is mounted readonly. +# The "mount -o remount,rw" command must fail with an explicit error. +log_must mount -t zfs -o rw $TESTSNAP $MNTPSNAP +readonlyfs $MNTPSNAP +checkmount $TESTSNAP 'ro' +log_mustnot mount $RW $TESTSNAP $MNTPSNAP +readonlyfs $MNTPSNAP +checkmount $TESTSNAP 'ro' +log_must umount $MNTPSNAP + +# 5. Verify we can remount a dataset readonly and unmount it with +# encryption=on and sync=disabled (issue #7753) +log_must eval "echo 'password' | zfs create -o sync=disabled \ + -o encryption=on -o keyformat=passphrase $TESTFS/crypt" +CRYPT_MNTPFS="$(get_prop mountpoint $TESTFS/crypt)" +log_must touch $CRYPT_MNTPFS/file.dat +log_must mount $RO $TESTFS/crypt $CRYPT_MNTPFS +log_must umount -f $CRYPT_MNTPFS +zpool sync $TESTPOOL + +# 6. Re-import the pool readonly +log_must zpool export $TESTPOOL +log_must zpool import -o readonly=on $TESTPOOL + +# 7. Verify we can't remount its filesystem read-write +readonlyfs $MNTPFS +checkmount $TESTFS 'ro' +log_mustnot mount $RW $MNTPFS +readonlyfs $MNTPFS +checkmount $TESTFS 'ro' + +log_pass "Both filesystem and snapshots can be remounted correctly." |