Date: Mon, 9 Feb 2004 09:43:09 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: Pawel Jakub Dawidek <pjd@FreeBSD.org> Cc: current@freebsd.org Subject: Re: Review/Test: Pseudo-device unit number management patch Message-ID: <Pine.BSF.4.21.0402090940540.68047-100000@InterJet.elischer.org> In-Reply-To: <20040209140031.GT14639@garage.freebsd.pl>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 9 Feb 2004, Pawel Jakub Dawidek wrote: > On Mon, Feb 09, 2004 at 01:03:18AM -0700, M. Warner Losh wrote: > +> s/I/we/ Others have signed off on this model. Maybe you could > +> explain how such a device would exist, and its exact semantics. With > +> a cloning device that phk is talking about, you open /dev/foo, and > +> /dev/foo0, /dev/foo1, etc are automatically created. This is how > +> things work on other systems for cloning devices. > +> > +> One could argue the wisdom of making the tunnel device clonable (I > +> happen to agree with it, but I can see the oppsoing argument). > +> However, sensible cloning semantics have been well understood for > +> years. BSD is very late to the party in not having these sorts of > +> devices before now. > > Maybe more human-friendly way will be to create /dev/foo0 without > request and if someone will open /dev/foo0, device /dev/foo1 will be > created... Just an idea. That's EXACTLY what nmdm does now.. (actually it creates 0,1,2,3 and when you open 0, it creates 5 etc..) The changes remove this behaviour, breaking my little tcl/tk script that presents the user with a list of exisiting nmdm 'A' entries to select from. > > -- > Pawel Jakub Dawidek http://www.FreeBSD.org > pjd@FreeBSD.org http://garage.freebsd.pl > FreeBSD committer Am I Evil? Yes, I Am! >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.21.0402090940540.68047-100000>