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由 Jes Sorensen 提交于
Convert from semaphore to mutex. Untested as I have no access to a floppy drive at the moment. Signed-off-by: NJes Sorensen <jes@sgi.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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