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 <weilongping@xxxxxxxx>
> ---
> 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
>
