On Sun, Jul 4, 2021 at 12:24 PM Anand Jain <anand.jain@xxxxxxxxxx> wrote:
>
> Create a degraded btrfs filesystem and run fstrim on it.
>
> Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
> ---
> tests/btrfs/242 | 49 +++++++++++++++++++++++++++++++++++++++++++++
> tests/btrfs/242.out | 2 ++
> 2 files changed, 51 insertions(+)
> create mode 100755 tests/btrfs/242
> create mode 100644 tests/btrfs/242.out
>
> diff --git a/tests/btrfs/242 b/tests/btrfs/242
> new file mode 100755
> index 000000000000..e946ee6ac7c2
> --- /dev/null
> +++ b/tests/btrfs/242
> @@ -0,0 +1,49 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (C) 2021 Oracle. All Rights Reserved.
> +#
> +# FS QA Test 242
> +#
> +# Test that fstrim can run on the degraded filesystem
> +# Kernel requires fix for the null pointer deref in btrfs_trim_fs()
> +# [patch] btrfs: check for missing device in btrfs_trim_fs
> +
> +
> +. ./common/preamble
> +_begin_fstest auto quick replace trim
Also, this does not belong to the 'replace' group (again copied from
btrfs/223 it seems).
Thanks.
> +
> +# Import common functions.
> +. ./common/filter
> +
> +# real QA test starts here
> +_supported_fs btrfs
> +_require_btrfs_forget_or_module_loadable
> +_require_scratch_dev_pool 2
> +#_require_command "$WIPEFS_PROG" wipefs
> +
> +_scratch_dev_pool_get 2
> +dev1=$(echo $SCRATCH_DEV_POOL | $AWK_PROG '{ print $1 }')
> +
> +_scratch_pool_mkfs "-m raid1 -d raid1"
> +_scratch_mount
> +_require_batched_discard $SCRATCH_MNT
> +
> +# Add a test file with some data.
> +$XFS_IO_PROG -f -c "pwrite -S 0xab 0 10M" $SCRATCH_MNT/foo > /dev/null
> +
> +# Unmount the filesystem.
> +_scratch_unmount
> +
> +# Mount the filesystem in degraded mode
> +_btrfs_forget_or_module_reload
> +_mount -o degraded $dev1 $SCRATCH_MNT
> +
> +# Run fstrim
> +$FSTRIM_PROG $SCRATCH_MNT
> +
> +_scratch_dev_pool_put
> +
> +echo Silence is golden
> +
> +status=0
> +exit
> diff --git a/tests/btrfs/242.out b/tests/btrfs/242.out
> new file mode 100644
> index 000000000000..a46d77702f23
> --- /dev/null
> +++ b/tests/btrfs/242.out
> @@ -0,0 +1,2 @@
> +QA output created by 242
> +Silence is golden
> --
> 2.27.0
>
--
Filipe David Manana,
“Whether you think you can, or you think you can't — you're right.”
