On 4/9/25 8:51 AM, Benjamin Marzinski wrote:
> If dm_table_set_restrictions() fails while swapping tables,
> device-mapper will continue using the previous table. It must be sure to
> leave the mapped_device in it's previous state on failure. Otherwise
> device-mapper could end up using the old table with settings from the
> unused table.
>
> Do not update the mapped device in dm_set_zones_restrictions(). Wait
> till after dm_table_set_restrictions() is sure to succeed to update the
> md zoned settings. Do the same with the dax settings, and if
> dm_revalidate_zones() fails, restore the original queue limits.
>
> Fixes: 7f91ccd8a608d ("dm: Call dm_revalidate_zones() after setting the queue limits")
> Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
Looks all good to me.
Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
--
Damien Le Moal
Western Digital Research
