Re: setting up CDB filters in udev (was Re: [PATCH v2 0/3] block:add queue-private command filter, editable via sysfs)

[Tejun Heo]

On Mon, Nov 05, 2012 at 08:17:54PM +0000, Alan Cox wrote:
> IMHO that's the best option for now - if it fixes the specific case of
> concern right now. It's a trivial interface, it's trivial security (need
> to check CAP_SYS_RAWIO to flip) and it means that the job can be done
> properly when there is consensus without a whole extra legacy API stuck
> behind.

Oh yeah, fully agreed.  We could just set the sysfs file only
writeable by root (basically just setting perm to 0644).  Would the
CAP_SYS_RAWIO distinction matter?

Thanks.

-- 
tejun
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