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    Subject[patch 00/10] mount ownership and unprivileged mount syscall (v8)
    Just documentation updates, compared to the previous submission.
    Thanks to Serge for the relentless reviews :)

    Please consider for -mm, and then for 2.6.26.

    Thanks,
    Miklos

    v7 -> v8

    - extend documentation of allow_usermount sysctl tunable
    - describe new unprivileged mounting in fuse.txt

    v6 -> v7:

    - add '/proc/sys/fs/types/<type>/usermount_safe' tunable (new patch)
    - do not make FUSE safe by default, describe possible problems
    associated with unprivileged FUSE mounts in patch header
    - return EMFILE instead of EPERM, if maximum user mount count is exceeded
    - rename option 'nomnt' -> 'nosubmnt'
    - clean up error propagation in dup_mnt_ns
    - update util-linux-ng patch

    v5 -> v6:

    - update to latest -mm
    - preliminary util-linux-ng support (will post right after this series)

    v4 -> v5:

    - fold back Andrew's changes
    - fold back my update patch:
    o use fsuid instead of ruid
    o allow forced unpriv. unmounts for "safe" filesystems
    o allow mounting over special files, but not over symlinks
    o set nosuid and nodev based on lack of specific capability
    - patch header updates
    - new patch: on propagation inherit owner from parent
    - new patch: add "no submounts" mount flag

    v3 -> v4:

    - simplify interface as much as possible, now only a single option
    ("user=UID") is used to control everything
    - no longer allow/deny mounting based on file/directory permissions,
    that approach does not always make sense

    v1 -> v3:

    - add mount flags to set/clear mnt_flags individually
    - add "usermnt" mount flag. If it is set, then allow unprivileged
    submounts under this mount
    - make max number of user mounts default to 1024, since now the
    usermnt flag will prevent user mounts by default

    --


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