[PATCH 16/27] block: use bdev_alignment_offset in part_alignment_offset_show
- To: Jens Axboe <axboe@kernel.dk>
- Cc: dm-devel@redhat.com, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-um@lists.infradead.org, linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, nbd@other.debian.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, ntfs3@lists.linux.dev, ocfs2-devel@oss.oracle.com, linux-mm@kvack.org, "Martin K . Petersen" <martin.petersen@oracle.com>
- Subject: [PATCH 16/27] block: use bdev_alignment_offset in part_alignment_offset_show
- From: Christoph Hellwig <hch@lst.de>
- Date: Sat, 9 Apr 2022 06:50:32 +0200
- Message-id: <[🔎] 20220409045043.23593-17-hch@lst.de>
- In-reply-to: <[🔎] 20220409045043.23593-1-hch@lst.de>
- References: <[🔎] 20220409045043.23593-1-hch@lst.de>
Replace the open coded offset calculation with the proper helper.
This is an ABI change in that the -1 for a misaligned partition is
properly propagated, which can be considered a bug fix and matches
what is done on the whole device.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
---
block/partitions/core.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/block/partitions/core.c b/block/partitions/core.c
index 2ef8dfa1e5c85..240b3fff521e4 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -200,11 +200,7 @@ static ssize_t part_ro_show(struct device *dev,
static ssize_t part_alignment_offset_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct block_device *bdev = dev_to_bdev(dev);
-
- return sprintf(buf, "%u\n",
- queue_limit_alignment_offset(&bdev_get_queue(bdev)->limits,
- bdev->bd_start_sect));
+ return sprintf(buf, "%u\n", bdev_alignment_offset(dev_to_bdev(dev)));
}
static ssize_t part_discard_alignment_show(struct device *dev,
--
2.30.2
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