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block: assert the locking state in delete_partition 

Add a lockdep assert instead of the outdated locking comment.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Chaitanya Kulkarni <ckulkarnilinux@gmail.com>
Link: https://lore.kernel.org/r/20210722075402.983367-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-07-22 09:53:55 +02:00 committed by Jens Axboe
parent 503469b5b3
commit a45e43cad7
1 changed files with 2 additions and 4 deletions
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6
block/partitions/core.c
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@ -281,12 +281,10 @@ struct device_type part_type = {
.uevent = part_uevent, .uevent = part_uevent,
}; };
/*
* Must be called either with open_mutex held, before a disk can be opened or
* after all disk users are gone.
*/
static void delete_partition(struct block_device *part) static void delete_partition(struct block_device *part)
{ {
lockdep_assert_held(&part->bd_disk->open_mutex);
fsync_bdev(part); fsync_bdev(part);
__invalidate_device(part, true); __invalidate_device(part, true);