From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Helge Hafting" Date: Mon, 29 Mar 2004 15:40:13 +0000 Subject: Re: udev and devfs - The final word Message-Id: <00fd01c415a4$209aeb20$d100000a@sbs2003.local> List-Id: References: <20031231002942.GB2875@kroah.com> In-Reply-To: <20031231002942.GB2875@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@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 - 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/ ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id70&alloc_id638&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