null_blk: convert to blk_alloc_disk/blk_cleanup_disk

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Convert the null_blk driver to use the blk_alloc_disk and blk_cleanup_disk
helpers to simplify gendisk and request_queue allocation.  Note that the
blk-mq mode is left with its own allocations scheme, to be handled later.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20210521055116.1053587-26-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2021-05-21 07:51:15 +02:00 • committed by Jens Axboe

parent ef35885400

commit 132226b301

1 changed files with 19 additions and 19 deletions

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drivers/block/null_blk/main.c

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