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由 Christoph Hellwig 提交于
Add a small helper for each ioctl to cut down cdrom_ioctl to a readable size. Signed-off-by: NChristoph Hellwig <hch@lst.de> Cc: Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: NBenoit Boissinot <benoit.boissinot@ens-lyon.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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