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[16/27] block: use bdev_alignment_offset in part_alignment_offset_show

Message ID 20220415045258.199825-17-hch@lst.de
State New
Headers show
Series [01/27] target: remove an incorrect unmap zeroes data deduction | expand

Commit Message

Christoph Hellwig April 15, 2022, 4:52 a.m. UTC
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(-)
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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,