[Ocfs2-devel] [PATCH 19/27] block: remove queue_discard_alignment

[Christoph Hellwig via Ocfs2-devel <ocfs2-devel@oss.oracle.com>]

Just use bdev_alignment_offset in disk_discard_alignment_show instead.
That helpers is the same except for an always false branch that doesn't
matter in this slow path.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.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 712031ce19070..36532b9318419 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1019,7 +1019,7 @@ static ssize_t disk_discard_alignment_show(struct device *dev,
 {
 	struct gendisk *disk = dev_to_disk(dev);
 
-	return sprintf(buf, "%d\n", queue_discard_alignment(disk->queue));
+	return sprintf(buf, "%d\n", bdev_alignment_offset(disk->part0));
 }
 
 static ssize_t diskseq_show(struct device *dev,
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 0a1795ac26275..5a9b7aeda010b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1253,14 +1253,6 @@ bdev_zone_write_granularity(struct block_device *bdev)
 
 int bdev_alignment_offset(struct block_device *bdev);
 
-static inline int queue_discard_alignment(const struct request_queue *q)
-{
-	if (q->limits.discard_misaligned)
-		return -1;
-
-	return q->limits.discard_alignment;
-}
-
 static inline int queue_limit_discard_alignment(struct queue_limits *lim, sector_t sector)
 {
 	unsigned int alignment, granularity, offset;
-- 
2.30.2


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