Re: [PATCH V3 0/6] ublk_drv: add mechanism for supporting unprivileged ublk device

[Jens Axboe <axboe@kernel.dk>]

On 12/11/22 8:59 PM, Ming Lei wrote:
> On Wed, Dec 07, 2022 at 08:32:59PM +0800, Ming Lei wrote:
>> Hello,
>>
>> Stefan Hajnoczi suggested un-privileged ublk device[1] for container
>> use case.
>>
>> So far only administrator can create/control ublk device which is too
>> strict and increase system administrator burden, and this patchset
>> implements un-privileged ublk device:
>>
>> - any user can create ublk device, which can only be controlled &
>>   accessed by the owner of the device or administrator
>>
>> For using such mechanism, system administrator needs to deploy two
>> simple udev rules[2] after running 'make install' in ublksrv.
>>
>> Userspace(ublksrv):
>>
>> 	https://github.com/ming1/ubdsrv/tree/unprivileged-ublk
>>     
>> 'ublk add -t $TYPE --un_privileged' is for creating one un-privileged
>> ublk device if the user is un-privileged.
>>
>>
>> [1] https://lore.kernel.org/linux-block/YoOr6jBfgVm8GvWg@stefanha-x1.localdomain/
>> [2] https://github.com/ming1/ubdsrv/blob/unprivileged-ublk/README.rst#un-privileged-mode
>>
>> V3:
>> 	- don't warn on invalid user input for setting devt parameter, as
>> 	  suggested by Ziyang, patch 4/6
>> 	- fix one memory corruption issue, patch 6/6
> 
> Hello Guys,
> 
> Ping...

I think timing was just a tad late on this. OK if we defer for 6.3, or are
there strong arguments for 6.2?


-- 
Jens Axboe