Re: [PATCH] btrfs/220: fix clear_cache and inode_cache option tests

[Eryu Guan <guan@eryu.me>]

On Tue, Jan 12, 2021 at 01:17:47PM -0800, Boris Burkov wrote:
> I recently changed clear_cache to not appear in mount options, as it has
> one shot semantics, which was breaking this test. Test explicitly that
> it _doesn't_ appear, which properly fails on old filesystems and passes
> on misc-next.
> 
> The patch that changed this behavior was:
> 8b228324a8ce btrfs: clear free space tree on ro->rw remount
> 
> Separately, inode_cache is deprecated and will never appear in mount
> options; remove it entirely.
> 
> Signed-off-by: Boris Burkov

Missing email address in above tag.

Also cc'ed linux-btrfs list for review.

Thanks,
Eryu

> ---
>  tests/btrfs/220 | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/tests/btrfs/220 b/tests/btrfs/220
> index c84c7065..1242460f 100755
> --- a/tests/btrfs/220
> +++ b/tests/btrfs/220
> @@ -215,11 +215,8 @@ test_optional_kernel_features()
>  
>  test_non_revertible_options()
>  {
> -	test_mount_opt "clear_cache" "clear_cache"
>  	test_mount_opt "degraded" "degraded"
>  
> -	test_mount_opt "inode_cache" "inode_cache"
> -
>  	# nologreplay should be used only with
>  	test_should_fail "nologreplay"
>  	test_mount_opt "nologreplay,ro" "ro,rescue=nologreplay"
> @@ -238,6 +235,11 @@ test_non_revertible_options()
>  	test_mount_opt "rescue=nologreplay,ro" "ro,rescue=nologreplay"
>  }
>  
> +test_one_shot_options()
> +{
> +	test_mount_opt "clear_cache" ""
> +}
> +
>  # All these options can be reverted (with their "no" counterpart), or can have
>  # their values set to default on remount
>  test_revertible_options()
> @@ -321,6 +323,8 @@ test_optional_kernel_features
>  
>  test_non_revertible_options
>  
> +test_one_shot_options
> +
>  test_revertible_options
>  
>  test_subvol
> -- 
> 2.24.1