nvme: enable ro namespace for ZNS without append

[Javier González]

On 10.11.2020 10:43, Christoph Hellwig wrote:
>> -	if (id->nsattr & NVME_NS_ATTR_RO)
>> +	if (id->nsattr & NVME_NS_ATTR_RO ||
>> +			test_bit(NVME_NS_FORCE_RO, &ns->flags))
>>  		set_disk_ro(disk, true);
>>  	else
>>  		set_disk_ro(disk, false);
>
>This has a very minor conflict with the patch from Sagi to remove the
>else side of the clause.  I'll merge your patch and will fix unless
>someone else objects to the approach.

Sounds good.
>
>Note that as discussed we really need a hard read-only settings
>instead of set_disk_ro for both NVME_NS_ATTR_RO and the zns with missing
>features case, but I'll look into that once I've got a few other things
>off my plate.

Thanks! Please, let me know if there is anything we can help with. I'm
looking into the char device now.