Messages in this thread | | | Date | Mon, 28 Dec 1998 12:23:35 -0800 (PST) | From | Tracy Stenvik <> | Subject | Re: High UID support for Linux |
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> From: Jon Leonard <jbwl@umich.edu> > Date: Thu, 19 Nov 1998 17:38:39 -0500 > Subject: High UID support for Linux > > Has anybody looked seriously at supporting 32 bit UIDs on Linux? We'd > really like to make Linux a commodity at Umich, but with a user base of > about 100,000, high UIDs are an absolute requirement. I've only just > started looking at this, but scanning the include files, it would appear > that some platforms already support high UIDs, but not i386. > > Just for grins, I tried changing the typedef in linux/types.h and > recompiling the kernel. Wouldn't even boot. Then I noticed that the > uid and gid fields in ext2 inodes are 16 bits. So it seems like this is > a project, not than a hack. (This was on 2.0.35.) > > There's enough interest in this on campus that we can throw some > resources at it. If no one else has this one, we could probably do it. > If someone is doing it, how do I get in touch? Comments? Advice > > Regards, > Jon
We have come up with a 32-bit uid/gid "solution" which interested parties should look at. It doesn't address certain issues, which are discussed in the upgrade document, but it does provide 32-bit uid/gid support and could be used as a basis for further enhancements. See,
ftp://ftp.u.washington.edu/public/imf/linux.upgrade
--- Tracy Stenvik University Computing Services 354843. University of Washington email: imf@u.washington.edu voice: (206) 685-3344
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