md: use __register_blkdev to allocate devices on demand

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Use the simpler mechanism attached to major_name to allocate a md device
when a currently unregistered minor is accessed.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2020-10-29 15:58:34 +01:00 • committed by Jens Axboe

parent 8410d38c25

commit 28144f9998

1 changed files with 8 additions and 13 deletions

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drivers/md/md.c

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