tree 11ed994bb09f7739c8d746f8d39b82df07aa7740
parent de65b0123216a8e1dbe3ca1eb20a45572b9e71d9
author Christoph Hellwig <hch@lst.de> 1503508230 +0200
committer Jens Axboe <axboe@kernel.dk> 1503514192 -0600

block: add a __disk_get_part helper

This helper allows looking up a partion under RCU protection without
grabbing a reference to it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>