From: Christoph Hellwig <hch@lst.de>
Date: Thu, 3 Sep 2020 05:41:03 +0000 (+0200)
Subject: block: use bd_partno in bdevname
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8a63a86e1f933dc7f114497408c50c58a633b8bc;p=linux.git

block: use bd_partno in bdevname

No need to go through the hd_struct to find the partition number.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/genhd.c b/block/genhd.c
index 05fb27cbb6678..e5f17f022ec70 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);