devtmpfs and mdev?

[Denys Vlasenko]

On Thursday 10 December 2009 08:59, Rob Landley wrote:
> Anybody want to speculate how devtmpfs impacts mdev?
> 
>   http://lwn.net/Articles/330985/
> 
> As far as I can tell, just setting the permissions and ownership isn't enough 
> for us to tell the kernel not to zap the sucker when it goes away.  We'd still 
> benefit from that happening.
> 
> We only want to clean up after the sucker if we have a shellout for it.  My 
> guess would be to add a flag to the mount (which we can -o remount,theflag) to 
> say that changing the timestamp is the signal to let us clean up after it.
> 
> Or some such.  Read the article and tell me what you think...

I don't know. I need to start using mdev on my box to get a taste/feel the pain.
--
vda