Al Viro 0b1b901b5a don't bother with propagate_mnt() unless the target is shared ...

If the dest_mnt is not shared, propagate_mnt() does nothing -
there's no mounts to propagate to and thus no copies to create.
Might as well don't bother calling it in that case.

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2014-03-30 19:18:50 -04:00

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