[PATCH] autofs4: simplify expire tree traversal
Simplify the expire tree traversal code by using a function from namespace.c to calculate the next entry in the top down tree traversals carried out during the expire operation. Signed-off-by: NIan Kent <raven@themaw.net> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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