No need to go through the hd_struct to find the partition number. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- block/genhd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/genhd.c b/block/genhd.c index 081f1039d9367f..771aa56b1a8c3d 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -85,7 +85,7 @@ char *disk_name(struct gendisk *hd, int partno, char *buf) const char *bdevname(struct block_device *bdev, char *buf) { - return disk_name(bdev->bd_disk, bdev->bd_part->partno, buf); + return disk_name(bdev->bd_disk, bdev->bd_partno, buf); } EXPORT_SYMBOL(bdevname); -- 2.28.0 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel