From: Christian Brauner <brauner@xxxxxxxxxx> With recent block level changes we should never be in a situation where we hold disk->open_mutex when calling into these helpers. So assert that in the code. Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx> Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- fs/super.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/super.c b/fs/super.c index 26b96191e9b3ca..ce54cfcecaa156 100644 --- a/fs/super.c +++ b/fs/super.c @@ -1443,6 +1443,7 @@ static void fs_bdev_mark_dead(struct block_device *bdev, bool surprise) /* bd_holder_lock ensures that the sb isn't freed */ lockdep_assert_held(&bdev->bd_holder_lock); + lockdep_assert_not_held(&bdev->bd_disk->open_mutex); if (!super_lock_shared_active(sb)) return; @@ -1462,6 +1463,7 @@ static void fs_bdev_sync(struct block_device *bdev) struct super_block *sb = bdev->bd_holder; lockdep_assert_held(&bdev->bd_holder_lock); + lockdep_assert_not_held(&bdev->bd_disk->open_mutex); if (!super_lock_shared_active(sb)) return; -- 2.39.2
