UBIFS: simplify locking

This patch simplifies lock_[23]_inodes functions. We do not have
to care about locking order, because UBIFS does this for @i_mutex
and this is enough. Thanks to Al Viro for suggesting this.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
1 file changed