From c97d93c31e5734a16bfe663085ec91b8c9fb20f9 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 25 May 2021 08:13:00 +0200 Subject: block: factor out a part_devt helper Add a helper to find the dev_t for a disk + partno tuple. Signed-off-by: Christoph Hellwig Reviewed-by: Ming Lei Link: https://lore.kernel.org/r/20210525061301.2242282-8-hch@lst.de Signed-off-by: Jens Axboe --- include/linux/genhd.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/genhd.h') diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 47d4605c0e7e..64a8431202b7 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -333,6 +333,7 @@ static inline void bd_unlink_disk_holder(struct block_device *bdev, } #endif /* CONFIG_SYSFS */ +dev_t part_devt(struct gendisk *disk, u8 partno); dev_t blk_lookup_devt(const char *name, int partno); void blk_request_module(dev_t devt); #ifdef CONFIG_BLOCK -- cgit