block: move policy from disk to part0
authorTejun Heo <tj@kernel.org>
Mon, 25 Aug 2008 10:56:10 +0000 (19:56 +0900)
committerJens Axboe <jens.axboe@oracle.com>
Thu, 9 Oct 2008 06:56:07 +0000 (08:56 +0200)
Move disk->policy to part0->policy.  Implement and use get_disk_ro().

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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