From mboxrd@z Thu Jan 1 00:00:00 1970 From: Helge Hafting Date: Sat, 03 Jan 2004 15:22:41 +0000 Subject: Re: udev and devfs - The final word Message-Id: <20040103152241.GA5531@hh.idb.hist.no> List-Id: References: <20031231002942.GB2875@kroah.com> <20040101011855.GA13628@hh.idb.hist.no> <20040103055938.GD5306@kroah.com> In-Reply-To: <20040103055938.GD5306@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Greg KH Cc: linux-hotplug-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org 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 ------------------------------------------------------- This SF.net email is sponsored by: IBM Linux Tutorials. Become an expert in LINUX or just sharpen your skills. Sign up for IBM's Free Linux Tutorials. Learn everything from the bash shell to sys admin. Click now! http://ads.osdn.com/?ad_id78&alloc_id371&op=click _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel