aufs: tiny, silence checkpatch.pl

Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>
Merge remote-tracking branch 'aufs3-standalone/aufs3.9/00base' into aufs3.9/10static
Merge branch 'aufs3.9/10static' into aufs3.9/11proc_map
aufs mmap: tiny, silence checkpatch.pl

Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>
Merge branch 'aufs3.9/00base' into aufs3.10/00base
Merge branch 'aufs3.9/10static' into aufs3.10/10static
Merge remote-tracking branch 'aufs3-standalone/aufs3.10/00base' into aufs3.10/10static
Merge branch 'aufs3.9/11proc_map' into aufs3.10/11proc_map
Merge branch 'aufs3.10/10static' into aufs3.10/11proc_map
Merge branch 'aufs3.10/00base' into aufs3.11/00base
Merge branch 'aufs3.10/10static' into aufs3.11/10static
Merge remote-tracking branch 'aufs3-standalone/aufs3.11/00base' into aufs3.11/10static
Merge branch 'aufs3.10/11proc_map' into aufs3.11/11proc_map
Merge branch 'aufs3.11/10static' into aufs3.11/11proc_map
Merge branch 'aufs3.11/11proc_map' into aufs3.11/18public
aufs: tiny, silence checkpatch.pl

Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>
Merge remote-tracking branch 'aufs3-standalone/aufs3.11/00base' into aufs3.11/10static
Merge branch 'aufs3.11/10static' into aufs3.11/11proc_map
Merge branch 'aufs3.11/11proc_map' into aufs3.11/18public
aufs: allow an unprivileged mount under user_ns

User_ns mount to put AUFS into a chroot environment can be useful
while it has a security worry. This new module parameter sets an
internal flag FS_USERNS_MOUNT and allows user_ns unconditionally.
See the discussion in
http://www.mail-archive.com/aufs-users@lists.sourceforge.net/msg04266.html
and its thread.

Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>