block: add blk_alloc_disk and blk_cleanup_disk APIs

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Add two new APIs to allocate and free a gendisk including the
request_queue for use with BIO based drivers.  This is to avoid
boilerplate code in drivers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20210521055116.1053587-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2021-05-21 07:50:55 +02:00 • committed by Jens Axboe

parent 958229a7c5

commit f525464a80

2 changed files with 57 additions and 0 deletions

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22

include/linux/genhd.h

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