block: hold a request_queue reference for the lifetime of struct gendisk
authorChristoph Hellwig <hch@lst.de>
Mon, 16 Aug 2021 13:19:09 +0000 (15:19 +0200)
committerJens Axboe <axboe@kernel.dk>
Mon, 23 Aug 2021 18:54:31 +0000 (12:54 -0600)
commit61a35cfc26334fe1c8e970ca8fafeae2daae257d
tree73d024e0f1f89f96495780aaea0c2305b5f3412b
parent4a1fa41d304c7129328d4d5c7f31715b95e23b29
block: hold a request_queue reference for the lifetime of struct gendisk

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>
block/genhd.c
include/linux/genhd.h