Re: first bad commit: [5795eb443060148796beeba106e4366d7f1458a6] scsi: sd_zbc: emulate ZONE_APPEND commands

[Johannes Thumshirn]

On 12/09/2020 00:22, Randy Dunlap wrote:
> On 9/11/20 3:17 PM, Borislav Petkov wrote:
>> On Fri, Sep 11, 2020 at 09:53:12PM +0200, Borislav Petkov wrote:
>>> Now, looking at that patch:
>>>
>>>   5795eb443060 ("scsi: sd_zbc: emulate ZONE_APPEND commands")
>>>
>>> yeah, that doesn't revert cleanly. But it talks about zoned-something
>>> devices and that rings a bell because you guys broke my zoned device
>>> once already:
>>
>> Ok, so Johannes and I poked a bit on IRC and here it is:
>>
>> # CONFIG_BLK_DEV_ZONED is not set.
>>
>> Enabling it, fixes the issue.
>>
> 
> Uh, you are not saying that enabling that CONFIG_ is the final fix, are you?
> 
> If so, do I need to enable it, even if I don't have a zoned block device?
>

No he does have a zoned block device and no this is not the final fix, I 
think one of the stubbed out functions is broken, but it's midnight here
so we're calling it a day and chime back in on Monday.

And this setup is a bit special, as Boris is using partitions on a host-aware
zoned block device which is somewhat exotic (see add_partition()).

Byte,
	Johannes