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

[Ming Lei <ming.lei@redhat.com>]

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...


thanks,
Ming