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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: dm-devel@redhat.com, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
	drbd-dev@lists.linbit.com, linux-ide@vger.kernel.org,
	linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org,
	linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org,
	target-devel@vger.kernel.org
Subject: [PATCH 8/9] block: use bd_partno in bdevname
Date: Thu,  3 Sep 2020 07:41:03 +0200	[thread overview]
Message-ID: <20200903054104.228829-9-hch@lst.de> (raw)
In-Reply-To: <20200903054104.228829-1-hch@lst.de>

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

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 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

  parent reply	other threads:[~2020-09-03  5:41 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-03  5:40 clean up is partition checks Christoph Hellwig
2020-09-03  5:40 ` [PATCH 1/9] Documentation/hdio: fix up obscure bd_contains references Christoph Hellwig
2020-09-03  5:40 ` [PATCH 2/9] block: add a bdev_is_partition helper Christoph Hellwig
2020-09-03  8:19   ` Ulf Hansson
2020-09-03  8:26     ` Christoph Hellwig
2020-09-03  5:40 ` [PATCH 3/9] md: compare bd_disk instead of bd_contains Christoph Hellwig
2020-09-09  0:55   ` Song Liu
2020-09-03  5:40 ` [PATCH 4/9] md: don't detour through bd_contains for the gendisk Christoph Hellwig
2020-09-09  0:55   ` Song Liu
2020-09-03  5:41 ` [PATCH 5/9] drbd: " Christoph Hellwig
2020-09-03  5:41 ` [PATCH 6/9] drbd: don't set ->bd_contains Christoph Hellwig
2020-09-03  5:41 ` [PATCH 7/9] target/iblock: fix holder printing in iblock_show_configfs_dev_params Christoph Hellwig
2020-09-03  5:41 ` Christoph Hellwig [this message]
2020-09-03  5:41 ` [PATCH 9/9] vsprintf: use bd_partno in bdev_name Christoph Hellwig
2020-09-15  5:45 ` clean up is partition checks Christoph Hellwig
2020-09-25 14:19 ` Jens Axboe

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