On 10/23/13 11:44 AM, Eryu Guan wrote:
> btrfs replace on readonly fs should not be allowed.
>
> Regression test case for commit:
> bbb651e Btrfs: don't allow the replace procedure on read only filesystems
>
> Signed-off-by: Eryu Guan <eguan@xxxxxxxxxx>
Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---
> v2: Address Eric's review
> - use truncate to create fs image instead of writing to each file
>
> tests/btrfs/020 | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> tests/btrfs/020.out | 2 ++
> tests/btrfs/group | 1 +
> 3 files changed, 87 insertions(+)
> create mode 100755 tests/btrfs/020
> create mode 100644 tests/btrfs/020.out
>
> diff --git a/tests/btrfs/020 b/tests/btrfs/020
> new file mode 100755
> index 0000000..7464bd0
> --- /dev/null
> +++ b/tests/btrfs/020
> @@ -0,0 +1,84 @@
> +#! /bin/bash
> +# FS QA Test No. btrfs/020
> +#
> +# btrfs device replace test on RO fs
> +#
> +# Regression test for commit:
> +# bbb651e Btrfs: don't allow the replace procedure on read only filesystems
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2013 Red Hat, Inc. All Rights Reserved.
> +#
> +# This program is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU General Public License as
> +# published by the Free Software Foundation.
> +#
> +# This program is distributed in the hope that it would be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> +# GNU General Public License for more details.
> +#
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write the Free Software Foundation,
> +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
> +#
> +#-----------------------------------------------------------------------
> +#
> +
> +seq=`basename $0`
> +seqres=$RESULT_DIR/$seq
> +echo "QA output created by $seq"
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +
> +status=1 # failure is the default!
> +
> +_cleanup()
> +{
> + cd /
> + rm -f $tmp.*
> + $UMOUNT_PROG $loop_mnt
> + _destroy_loop_device $loop_dev1
> + losetup -d $loop_dev2 >/dev/null 2>&1
> + _destroy_loop_device $loop_dev3
> + rm -rf $loop_mnt
> + rm -f $fs_img1 $fs_img2 $fs_img3
> +}
> +
> +trap "_cleanup ; exit \$status" 0 1 2 3 15
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +# real QA test starts here
> +_supported_fs btrfs
> +_supported_os Linux
> +
> +rm -f $seqres.full
> +echo "Silence is golden"
> +
> +loop_mnt=$TEST_DIR/$seq.$$.mnt
> +fs_img1=$TEST_DIR/$seq.$$.img1
> +fs_img2=$TEST_DIR/$seq.$$.img2
> +fs_img3=$TEST_DIR/$seq.$$.img3
> +mkdir $loop_mnt
> +$XFS_IO_PROG -f -c "truncate 256m" $fs_img1 >>$seqres.full 2>&1
> +$XFS_IO_PROG -f -c "truncate 256m" $fs_img2 >>$seqres.full 2>&1
> +$XFS_IO_PROG -f -c "truncate 256m" $fs_img3 >>$seqres.full 2>&1
> +
> +loop_dev1=`_create_loop_device $fs_img1`
> +loop_dev2=`_create_loop_device $fs_img2`
> +loop_dev3=`_create_loop_device $fs_img3`
> +
> +$MKFS_BTRFS_PROG -m raid1 -d raid1 $loop_dev1 $loop_dev2 >>$seqres.full 2>&1
> +$MOUNT_PROG -o ro $loop_dev1 $loop_mnt
> +
> +# Fail the second device and replace with the third
> +_destroy_loop_device $loop_dev2
> +$BTRFS_UTIL_PROG replace start -B 2 $loop_dev3 $loop_mnt >>$seqres.full 2>&1 && \
> +_fail "FAIL: Device replaced on RO btrfs"
> +
> +status=0
> +exit
> diff --git a/tests/btrfs/020.out b/tests/btrfs/020.out
> new file mode 100644
> index 0000000..20d7944
> --- /dev/null
> +++ b/tests/btrfs/020.out
> @@ -0,0 +1,2 @@
> +QA output created by 020
> +Silence is golden
> diff --git a/tests/btrfs/group b/tests/btrfs/group
> index 2f74139..1159499 100644
> --- a/tests/btrfs/group
> +++ b/tests/btrfs/group
> @@ -22,3 +22,4 @@
> 017 auto quick
> 018 auto quick
> 019 auto quick
> +020 auto quick
>
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