On Tue, Jun 06, 2023 at 09:39:34AM +0200, Christoph Hellwig wrote: > Passing a holder to blkdev_get_by_path when FMODE_EXCL isn't set doesn't > make sense, so pass NULL instead and remove the holder argument from the > call chains the only end up in non-FMODE_EXCL blkdev_get_by_path calls. Please add "Exclusive mode for device scanning is not used since 50d281fc434c ("btrfs: scan device in non-exclusive mode")." Acked-by: David Sterba <dsterba@xxxxxxxx>