block: hold a request_queue reference for the lifetime of struct gendisk

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Acquire the queue ref dropped in disk_release in __blk_alloc_disk so any
allocate gendisk always has a queue reference.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210816131910.615153-9-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2021-08-16 15:19:09 +02:00 • committed by Jens Axboe

parent 4a1fa41d30

commit 61a35cfc26

2 changed files with 7 additions and 13 deletions

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19

block/genhd.c

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1

include/linux/genhd.h

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