Date: Mon, 6 Jan 1997 15:43:20 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: henrich@crh.cl.msu.edu (Charles Henrich) Cc: dg@root.com, freebsd-hackers@freebsd.org Subject: Re: more than 32 disks? Message-ID: <199701062243.PAA12827@phaeton.artisoft.com> In-Reply-To: <199701052032.PAA03705@crh.cl.msu.edu> from "Charles Henrich" at Jan 5, 97 03:32:35 pm
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> > unit number. This means that one will have to make driver changes to go > > beyond 32 units. :-( > > I noticed this pop up in relation to CD changers as well. I have a suggestion, > perhaps I'll even get a moment to write it (assuming people think this is a > good idea). During boot phase when DEVFS is probing around making devices, > change the format of the minor number to just be 11 bits for type, and then 21 > bits as an offset into a dynamically built kernel table (4 bytes/entry). This > gives us 2097152 different device possibilities.. Still a limit (I hate limits) > but far better than what we have today! Get rid of major and minor numbers entirely. They are unnecessary. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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