Re: [PATCH v3 2/2] dm: Improve zone resource limits handling

Christoph Hellwig
2024-06-05T06:49:14Z

> + /*
> + * If the limits are larger than the number of mapped sequential zones,
> + * assume no limits. Note that blk_revalidate_disk_zones() also executes
> + * this adjustment, but only for mapped devices that use zone write
> + * plugging, that is, for mapped devices needing zone append emulation.
> + * So for DM devices using native zone append of the target devices, we
> + * need to adjust the zone resource limits here.
> + */
> + if (lim->max_active_zones > zlim.mapped_nr_seq_zones)
> + lim->max_active_zones = 0;
> + if (lim->max_open_zones > zlim.mapped_nr_seq_zones)
> + lim->max_open_zones = 0;

Is there any good reason to not just do this unconditionally in common
code?