[PATCH 0/6] ZNS: Extra features for current patches

[Matias Bjørling]

On 25/06/2020 15.04, Matias Bjørling wrote:
> On 25/06/2020 14.21, Javier González wrote:
>> From: Javier González <javier.gonz at samsung.com>
>>
>> This patchset extends zoned device functionality on top of the existing
>> v3 ZNS patchset that Keith sent last week.
>>
>> Patches 1-5 are zoned block interface and IOCTL additions to expose ZNS
>> values to user-space. One major change is the addition of a new zone
>> management IOCTL that allows to extend zone management commands with
>> flags. I recall a conversation in the mailing list from early this year
>> where a similar approach was proposed by Matias, but never made it
>> upstream. We extended the IOCTL here to align with the comments in that
>> thread. Here, we are happy to get sign-offs by anyone that contributed
>> to the thread - just comment here or on the patch.
>
> The original patchset is available here: 
> https://lkml.org/lkml/2019/6/21/419
>
> We wanted to wait posting our updated patches until the base patches 
> were upstream. I guess the cat is out of the bag. :)
>
> For the open/finish/reset patch, you'll want to take a look at the 
> original patchset, and apply the feedback from that thread to your 
> patch. Please also consider the users of these operations, e.g., dm, 
> scsi, null_blk, etc. The original patchset has patches for that.
>
Please disregard the above - I forgot that the original patchset 
actually went upstream.

You're right that we discussed (I at least discussed it internally with 
Damien, but I can't find the mail) having one mgmt issuing the commands. 
We didn't go ahead and added it at that point due to ZNS still being in 
a fluffy state.