block: use bdev_alignment_offset in disk_alignment_offset_show

This does the same as the open coded variant except for an extra branch, and allows to remove queue_alignment_offset entirely. Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]>
josf · Apr 18, 2022 · 640f2a2 · 640f2a2
1 parent 64dcc7c
commit 640f2a2
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Showing 2 changed files with 1 addition and 9 deletions.
diff --git a/block/genhd.c b/block/genhd.c
@@ -1010,7 +1010,7 @@ static ssize_t disk_alignment_offset_show(struct device *dev,
 {
 	struct gendisk *disk = dev_to_disk(dev);
 
-	return sprintf(buf, "%d\n", queue_alignment_offset(disk->queue));
+	return sprintf(buf, "%d\n", bdev_alignment_offset(disk->part0));
 }
 
 static ssize_t disk_discard_alignment_show(struct device *dev,

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
@@ -1251,14 +1251,6 @@ bdev_zone_write_granularity(struct block_device *bdev)
 	return queue_zone_write_granularity(bdev_get_queue(bdev));
 }
 
-static inline int queue_alignment_offset(const struct request_queue *q)
-{
-	if (q->limits.misaligned)
-		return -1;
-
-	return q->limits.alignment_offset;
-}
-
 static inline int queue_limit_alignment_offset(struct queue_limits *lim, sector_t sector)
 {
 	unsigned int granularity = max(lim->physical_block_size, lim->io_min);