Re: Thoughts on mounting the rootfs from a udev rule

[Seewer Philippe <philippe.seewer-omB+W0Dpw2o@public.gmane.org>]

Hannes Reinecke wrote:
> Victor Lowther wrote:
>> It seems that there are two major use cases that make mounting the root
>> file system directly from a udev rule an inadvisable design decision:
>>
>> The first is when your root filesystem does not reside on a block
>> device, as in the nfsroot case.  In this case, there is no backing
>> device for the filesystem for udev to detect, so we would still need a
>> non-udev method of mounting the root filesystem in order to handle any
>> case where there is no backing device for the root filesystem.
>>
> Hmm. There is no strict _need_ for a backing device for udev to work
> properly, we just need an event here.
> So for the nfsroot case it would be totally sufficient to have an event
> like 'network is up'. This could then trigger a nfsmount

Hmmm... I haven't thought about that. Is it possible to send events to 
udev from Userspace?

Cheers,
Philippe
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