On Thu, Jun 23, 2022 at 11:41:13AM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
>
> The test_dummy_encryption mount option isn't supposed to be settable or
> changeable via a remount, so add test cases for this. This is a
> regression test for a bug that was introduced in Linux v5.17 and fixed
> in v5.19-rc3 by commit 85456054e10b ("ext4: fix up test_dummy_encryption
> handling for new mount API").
>
> Reviewed-by: Lukas Czerner <lczerner@xxxxxxxxxx>
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
> ---
Thanks for reminding that, I'll merge this patch this week.
>
> v2: added info about fixing commit, and added a Reviewed-by tag
>
> tests/ext4/053 | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/tests/ext4/053 b/tests/ext4/053
> index 23e553c5..555e474e 100755
> --- a/tests/ext4/053
> +++ b/tests/ext4/053
> @@ -685,6 +685,9 @@ for fstype in ext2 ext3 ext4; do
> mnt test_dummy_encryption=v2
> not_mnt test_dummy_encryption=bad
> not_mnt test_dummy_encryption=
> + # Can't be set or changed on remount.
> + mnt_then_not_remount defaults test_dummy_encryption
> + mnt_then_not_remount test_dummy_encryption=v1 test_dummy_encryption=v2
> do_mkfs -O ^encrypt $SCRATCH_DEV ${SIZE}k
> fi
> not_mnt test_dummy_encryption
>
> base-commit: 0882b0913eae6fd6d2010323da1dde0ff96bf7d4
> --
> 2.36.1
>
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