diff mbox series

[15/27] block: use bdev_alignment_offset in part_alignment_offset_show

Message ID 20220406060516.409838-16-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [01/27] target: remove an incorrect unmap zeroes data deduction | expand

Commit Message

Christoph Hellwig April 6, 2022, 6:05 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 maches
what is done on the whole device.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 block/partitions/core.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

Comments

Martin K. Petersen April 7, 2022, 3:19 a.m. UTC | #1 
Christoph,

> 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 maches what
> is done on the whole device.

Looks good.

Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
diff mbox series

Patch

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,