Re: 64K User Barrier on Linux

Wietse Venema (wietseporcupine.org)
Thu, 25 Nov 1999 08:56:24 -0500 (EST)

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Bruce Perens:
> From: Ken Gunderson <webweaverrmci.net>
> > Is there some other factor that's eluding me here?
>
> The filesystem. Ext2 uses a 16-bit datum for UID and GID.

The man is right. I suppose this limits Linux usability as a big
NFS server.

        Wietse

    /usr/include/linux/ext2_fs.h

    /*
     * Structure of an inode on the disk
     */
    struct ext2_inode {
            ...
            __u16 i_uid; /* Owner Uid */
            ...
            __u16 i_gid; /* Group Id */
            ...
    };

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