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Al Viro authored
new helper: complete_walk(). Done on successful completion of walk, drops out of RCU mode, does d_revalidate of final result if that hadn't been done already. handle_reval_dot() and nameidata_drop_rcu_last() subsumed into that one; callers converted to use of complete_walk(). Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
9f1fafee