block: add a queue_has_disk helper

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Add a helper to check if a gendisk is associated with a request_queue.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20210809141744.1203023-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2021-08-09 16:17:42 +02:00 • committed by Jens Axboe

parent 471aa704db

commit 1008162b27

1 changed files with 1 additions and 0 deletions

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include/linux/blkdev.h

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