diff mbox series

[16/27] block: use bdev_alignment_offset in part_alignment_offset_show

Message ID 20220415045258.199825-17-hch@lst.de (mailing list archive)
State Not Applicable
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(-)

Comments

Chaitanya Kulkarni April 15, 2022, 5:43 a.m. UTC | #1 
On 4/14/22 21:52, Christoph Hellwig wrote:
> 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>
> ---

Neat!

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>

-ck
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,