block: remove ->bd_contains
Now that each hd_struct has a reference to the corresponding block_device, there is no need for the bd_contains pointer. Add a bdev_whole() helper to look up the whole device block_device struture instead. Signed-off-by:Christoph Hellwig <hch@lst.de> Reviewed-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by:
Jan Kara <jack@suse.cz> Reviewed-by:
Hannes Reinecke <hare@suse.de> Acked-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
22ae8ce8
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