Messages in this thread | | | Date | Sat, 3 Jan 2004 16:22:41 +0100 | Subject | Re: udev and devfs - The final word | From | Helge Hafting <> |
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On Fri, Jan 02, 2004 at 09:59:38PM -0800, Greg KH wrote: > On Thu, Jan 01, 2004 at 02:18:55AM +0100, Helge Hafting wrote: > > On Tue, Dec 30, 2003 at 04:29:42PM -0800, Greg KH wrote: > > > > > > 2) We are (well, were) running out of major and minor numbers for > > > devices. > > > > devfs tried to fix this one by _getting rid_ of those numbers. > > Seriously - what are they needed for? > > But devfs failed in this. The devfs kernel interface still requires a > major/minor number to create device nodes. > Yes. The numbers went unused in the common case of opening a device by name though.
> Hopefully I can work on fixing this up in 2.7.
Interesting - how do you plan to do this? There must be some connection from device node to driver. Devfs had a pointer in the inode. The old way has numbers, and spend time on a search.
Are you considering a sort of "minimal devfs" managed by udev?
Helge Hafting - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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