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block: use bd_partno in bdevname

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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>
This commit is contained in:
Christoph Hellwig 2020-09-03 07:41:03 +02:00 committed by Jens Axboe
parent 57ba105920
commit 8a63a86e1f
1 changed files with 1 additions and 1 deletions
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2
block/genhd.c
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@ -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);