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    SubjectRe: [RFC][PATCH 00/20] Mount writer count and read-only bind mounts (v2)
    On Fri, 16 Jun 2006, Dave Hansen wrote:
    > The following series implements read-only bind mounts. This feature
    > allows a read-only view into a read-write filesystem.

    Thanks, I like this idea very much. I think I have found at least one good
    use for it even before it is merged. :-)


    > One note: the previous patches all worked this way:
    > mount --bind -o ro /source /dest
    > These patches have changed that behavior. It now requires two steps:
    > mount --bind /source /dest
    > mount -o remount,ro /dest

    Isn't this some kind of security risk (at least in my planned use)? I mean
    - for a small fraction of second somebody seeing /dest can write
    /source... No?


    Grzegorz Kulewski

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