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    SubjectRe: Adding subroot information to /proc/mounts, or obtaining that through other means
    On Wed, Jun 20, 2007 at 01:57:33PM -0700, H. Peter Anvin wrote:
    >
    > We could add a field to /proc/mounts to add this information:
    >
    > /dev/md6 /export ext3 rw,data=ordered 0 0 /
    > /dev/md6 /home/foo ext3 rw,data=ordered 0 0 /users/foo
    > /dev/md6 /home/bar ext3 rw,data=ordered 0 0 /users/bar

    I prefer this format. It's compatible with the mount(8) -- the mount
    ignores extra columns.

    > ... or, alternatively, add a subfield to the first field (which would
    > entail escaping whatever separator we choose):
    >
    > /dev/md6 /export ext3 rw,data=ordered 0 0
    > /dev/md6:/users/foo /home/foo ext3 rw,data=ordered 0 0
    > /dev/md6:/users/bar /home/bar ext3 rw,data=ordered 0 0

    We needn't a new separator (':') there already is one (' ').

    > I'm personally leaning toward the second option (/dev/md6:/users/foo).
    > Although that might confuse current utilities, those utilities are
    > *already* liable to get confused by the fact that the line doesn't mean
    > what they think it means.

    Many people use "ln -s /proc/mounts /etc/mtab".

    Karel

    --
    Karel Zak <kzak@redhat.com>
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