On Thu, Feb 29, 2024 at 1:51 AM Anand Jain <anand.jain@xxxxxxxxxx> wrote:
>
> Make sure that basic functions such as seeding and device add fail,
> while balance runs successfully with tempfsid.
>
> Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
Reviewed-by: Filipe Manana <fdmanana@xxxxxxxx>
Thanks.
> ---
> tests/btrfs/315 | 91 +++++++++++++++++++++++++++++++++++++++++++++
> tests/btrfs/315.out | 10 +++++
> 2 files changed, 101 insertions(+)
> create mode 100755 tests/btrfs/315
> create mode 100644 tests/btrfs/315.out
>
> diff --git a/tests/btrfs/315 b/tests/btrfs/315
> new file mode 100755
> index 000000000000..7e5c74df4316
> --- /dev/null
> +++ b/tests/btrfs/315
> @@ -0,0 +1,91 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (c) 2024 Oracle. All Rights Reserved.
> +#
> +# FS QA Test 315
> +#
> +# Verify if the seed and device add to a tempfsid filesystem fails
> +# and balance devices is successful.
> +#
> +. ./common/preamble
> +_begin_fstest auto quick volume seed balance tempfsid
> +
> +_cleanup()
> +{
> + cd /
> + $UMOUNT_PROG $tempfsid_mnt 2>/dev/null
> + rm -r -f $tmp.*
> + rm -r -f $tempfsid_mnt
> +}
> +
> +. ./common/filter.btrfs
> +
> +_supported_fs btrfs
> +_require_scratch_dev_pool 3
> +_require_btrfs_fs_feature temp_fsid
> +
> +_scratch_dev_pool_get 3
> +
> +# mount point for the tempfsid device
> +tempfsid_mnt=$TEST_DIR/$seq/tempfsid_mnt
> +
> +_filter_mount_error()
> +{
> + # There are two different errors that occur at the output when
> + # mounting fails; as shown below, pick out the common part. And,
> + # remove the dmesg line.
> +
> + # mount: <mnt-point>: mount(2) system call failed: File exists.
> +
> + # mount: <mnt-point>: fsconfig system call failed: File exists.
> + # dmesg(1) may have more information after failed mount system call.
> +
> + grep -v dmesg | _filter_test_dir | sed -e "s/mount(2)\|fsconfig//g"
> +}
> +
> +seed_device_must_fail()
> +{
> + echo ---- $FUNCNAME ----
> +
> + mkfs_clone ${SCRATCH_DEV} ${SCRATCH_DEV_NAME[1]}
> +
> + $BTRFS_TUNE_PROG -S 1 ${SCRATCH_DEV}
> + $BTRFS_TUNE_PROG -S 1 ${SCRATCH_DEV_NAME[1]}
> +
> + _scratch_mount 2>&1 | _filter_scratch
> + _mount ${SCRATCH_DEV_NAME[1]} ${tempfsid_mnt} 2>&1 | _filter_mount_error
> +}
> +
> +device_add_must_fail()
> +{
> + echo ---- $FUNCNAME ----
> +
> + mkfs_clone ${SCRATCH_DEV} ${SCRATCH_DEV_NAME[1]}
> + _scratch_mount
> + _mount ${SCRATCH_DEV_NAME[1]} ${tempfsid_mnt}
> +
> + $XFS_IO_PROG -fc 'pwrite -S 0x61 0 9000' $SCRATCH_MNT/foo | \
> + _filter_xfs_io
> +
> +$BTRFS_UTIL_PROG device add -f ${SCRATCH_DEV_NAME[2]} ${tempfsid_mnt} 2>&1 | \
> + grep -v "Performing full device TRIM" | _filter_scratch_pool
> +
> + echo Balance must be successful
> + _run_btrfs_balance_start ${tempfsid_mnt}
> +}
> +
> +mkdir -p $tempfsid_mnt
> +
> +seed_device_must_fail
> +
> +_scratch_unmount
> +_cleanup
> +mkdir -p $tempfsid_mnt
> +
> +device_add_must_fail
> +
> +_scratch_dev_pool_put
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/btrfs/315.out b/tests/btrfs/315.out
> new file mode 100644
> index 000000000000..3ea7a35ab040
> --- /dev/null
> +++ b/tests/btrfs/315.out
> @@ -0,0 +1,10 @@
> +QA output created by 315
> +---- seed_device_must_fail ----
> +mount: SCRATCH_MNT: WARNING: source write-protected, mounted read-only.
> +mount: TEST_DIR/315/tempfsid_mnt: system call failed: File exists.
> +---- device_add_must_fail ----
> +wrote 9000/9000 bytes at offset 0
> +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> +ERROR: error adding device 'SCRATCH_DEV': Invalid argument
> +Balance must be successful
> +Done, had to relocate 3 out of 3 chunks
> --
> 2.39.3
>
