On Sun, 11 Mar 2001, Alfred Perlstein wrote:
> * Poul-Henning Kamp <[EMAIL PROTECTED]> [010311 12:02] wrote:
> > In message <[EMAIL PROTECTED]>, Matthew
>Jacob writes:
> > >
> > >> Lastly make_dev_alias() is undocumented.
> >
> > Right, just like most of the rest of the kernel.
> >
> > >Really? That's a deficiency. It should be.
> >
> > Yes, ideally, yes.
I've updated the man page.
>
> The problem with make_dev_alias() not being documented is that it would
> have been an effort to figure out if duplicate make_dev_alias() calls
> were idempotent, done with refcounts or a good way to panic your
> machine.
...I'm not following this. Too many dime or more expensive words! What you at?
>
> There's also no destroy_dev_alias() that I can see. So when vinum
> goes away I didn't realize how one unpopulates the /dev/vinum/ tree.
The destroy_dev destroys all aliases.
>
> What's up with devfs not gc'ing itself? Ie, after a directory
> becomes empty it seems to still exist within the devfs namespace
> instead of disappearing.
>
> Since you guys are in docco mode, you might as well document how one
> detects a devfs system in a running system. There's an example
> in the vinum(8) source:
>
> if (sysctlbyname("vfs.devfs.generation", NULL, NULL, NULL, 0) == 0)
> devfs_is_active = 1;
> else
> devfs_is_active = 0;
>
>
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