[PATCH 2/8] block: assert the locking state in delete_partition

Christoph Hellwig
2021-07-21T15:36:34Z

Add a lockdep assert instead of the outdated locking comment.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
block/partitions/core.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/block/partitions/core.c b/block/partitions/core.c
index 4230d4f71879..9902b1635b7d 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -281,12 +281,10 @@ struct device_type part_type = {
.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)
{
+ lockdep_assert_held(&part->bd_disk->open_mutex);
+
fsync_bdev(part);
__invalidate_device(part, true);

--
2.30.2