nvme: enable ro namespace for ZNS without append

[Javier González]

On 11.11.2020 00:36, Sagi Grimberg 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);
>>>>
>>>>If the FORCE_RO flag is set, the disk is set to read-only. If that flag
>>>>is later cleared, nothing clears the disk's read-only setting.
>>>
>>>Yea, that is true also for the non-force case, but before it broke
>>>BLKROSET so I reverted that. We can use this FORCE_RO for BLKROSET as
>>>well I think...
>>
>>Let me prioritize the hard r/o setting.  mkp actually has an older patch
>>that did just that which I'll resurrect.
>
>Sounds good.

Cool. I'll repost fixing the log page update. I can then rebase on the
patches you send for this - or you can put them on top if it is easier.

Thanks!