From: Christoph Hellwig <hch@lst.de>
Date: Fri, 15 Apr 2022 06:52:48 +0200
Subject: [PATCH] block: use bdev_alignment_offset in
disk_alignment_offset_show
Git-commit: 640f2a23911b8388989547f89d055afbb910b88e
Patch-mainline: v5.19-rc1
References: jsc#PED-1183
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 <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20220415045258.199825-18-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
block/genhd.c | 2 +-
include/linux/blkdev.h | 8 --------
2 files changed, 1 insertion(+), 9 deletions(-)
diff --git a/block/genhd.c b/block/genhd.c
index b8b6759d670f..712031ce1907 100644
--- 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
index f8c50b77543e..d5346e72e364 100644
--- 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);
--
2.35.3