[PATCH] lockdep: annotate the BLKPG_DEL_PARTITION ioctl
The delete partition IOCTL takes the bd_mutex for both the disk and the partition; these have an obvious hierarchical relationship and this patch annotates this relationship for lockdep. Signed-off-by: NArjan van de Ven <arjan@linux.intel.com> Acked-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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