[PATCH v3 10/30] block: Fake max open zones limit when there is no limit

[Christoph Hellwig]

On Thu, Mar 28, 2024 at 09:43:49AM +0900, Damien Le Moal wrote:
> For a zoned block device that has no limit on the number of open zones
> and no limit on the number of active zones, the zone write plug free
> list is initialized with 128 zone write plugs. For such case, set the
> device max_open_zones queue limit to this value to indicate to the user
> the potential performance penalty that may happen when writing
> simultaneously to more zones than the free list size.

Setting max_open_zone needs to go through the queue limits API and
be done on a frozen queue (probabaly my merging it into the other
assignments done later in zone revalidation that are done with
the queue frozen).