Re: matchfilecon (the program) vs matchfilecon (the libselinux1 fn)

[Luke Kenneth Casson Leighton <lkcl@lkcl.net>]

On Mon, Aug 02, 2004 at 10:52:05AM -0400, Stephen Smalley wrote:
> On Mon, 2004-08-02 at 10:57, Luke Kenneth Casson Leighton wrote:
> >  ... one thing though: running udev, it can only generate about 4
> >  device inodes per second when having to do
> >  /etc/dev.d/defaults/selinux.dev (which calls restorecon $DEVICENAME).
> > 
> >  that's _awfully_ slow.
> > 
> >  especially when creating 64 /dev/ttyxx nodes, 64 /dev/ttySxx nodes,
> >  and then a few /dev/ramX nodes too.
> > 
> >  it delays boot-time by over 30 seconds, basically.
> > 
> >  what, if anything, could be done about this?
> > 
> >  run a restorecon asynchronous service?
> > 
> >  yes, i realise that sounds a bit mad, but if people are going to throw
> >  150 device inodes up at boot-time, it's got to be quick.
> 
> What's the objection to patching udev to directly invoke matchpathcon(3)
> and setfscreatecon(3) prior to creating each device node?
 
 time!  how long do those function calls take?

 using /sbin/restorecon, which is the present hack, each device node
 creation takes around a quarter of a second (!!)

 l.

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