On Wed, 30 Jul 2025, LongPing Wei wrote:

> dm-thin obviously can pass through inline crypto support.

Hi

I'm not sure about it. What if dm-thin performs copy-on-write? How would 
that interact with inline crypto?

Mikulas

> Signed-off-by: LongPing Wei <weilongp...@oppo.com>
> ---
>  drivers/md/dm-thin.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
> index 05cf4e3f2bbe..42f218dcf99f 100644
> --- a/drivers/md/dm-thin.c
> +++ b/drivers/md/dm-thin.c
> @@ -4111,7 +4111,7 @@ static void pool_io_hints(struct dm_target *ti, struct 
> queue_limits *limits)
>  static struct target_type pool_target = {
>       .name = "thin-pool",
>       .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE |
> -                 DM_TARGET_IMMUTABLE,
> +                 DM_TARGET_IMMUTABLE | DM_TARGET_PASSES_CRYPTO,
>       .version = {1, 23, 0},
>       .module = THIS_MODULE,
>       .ctr = pool_ctr,
> @@ -4509,6 +4509,7 @@ static struct target_type thin_target = {
>       .status = thin_status,
>       .iterate_devices = thin_iterate_devices,
>       .io_hints = thin_io_hints,
> +     .features = DM_TARGET_PASSES_CRYPTO,
>  };
>  
>  /*----------------------------------------------------------------*/
> -- 
> 2.34.1
> 


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