* zoned_block_device_info - zoned block device characteristics
* @model: Device model.
* @max_open_zones: global limit on the number of simultaneously opened
- * sequential write zones.
+ * sequential write zones. A zero value means unlimited open zones,
+ * and that open zones will not be tracked in the open_zones array.
* @mutex: Protects the modifiable members in this structure (refcount and
* num_open_zones).
* @zone_size: size of a single zone in bytes.