make iunique use a do/while loop rather than its obscure goto loop
A while back, Christoph mentioned that he thought that iunique ought to be cleaned up to use a more conventional loop construct. This patch does that, turning the strange goto loop into a do/while. Signed-off-by: Jeff Layton <jlayton@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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