[PATCH 9/9] block: remove disk_stack_limits

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disk_stack_limits is unused now, remove it.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 block/blk-settings.c   | 24 ------------------------
 include/linux/blkdev.h |  2 --
 2 files changed, 26 deletions(-)

diff --git a/block/blk-settings.c b/block/blk-settings.c
index f14d3a18f9e2f0..299ecc399c0e6f 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -915,30 +915,6 @@ void queue_limits_stack_bdev(struct queue_limits *t, struct block_device *bdev,
 }
 EXPORT_SYMBOL_GPL(queue_limits_stack_bdev);
 
-/**
- * disk_stack_limits - adjust queue limits for stacked drivers
- * @disk:  MD/DM gendisk (top)
- * @bdev:  the underlying block device (bottom)
- * @offset:  offset to beginning of data within component device
- *
- * Description:
- *    Merges the limits for a top level gendisk and a bottom level
- *    block_device.
- */
-void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
-		       sector_t offset)
-{
-	struct request_queue *t = disk->queue;
-
-	if (blk_stack_limits(&t->limits, &bdev_get_queue(bdev)->limits,
-			get_start_sect(bdev) + (offset >> 9)) < 0)
-		pr_notice("%s: Warning: Device %pg is misaligned\n",
-			disk->disk_name, bdev);
-
-	disk_update_readahead(disk);
-}
-EXPORT_SYMBOL(disk_stack_limits);
-
 /**
  * blk_queue_update_dma_pad - update pad mask
  * @q:     the request queue for the device
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 285e82723d641f..75c909865a8b7b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -926,8 +926,6 @@ extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
 			    sector_t offset);
 void queue_limits_stack_bdev(struct queue_limits *t, struct block_device *bdev,
 		sector_t offset, const char *pfx);
-extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
-			      sector_t offset);
 extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int);
 extern void blk_queue_segment_boundary(struct request_queue *, unsigned long);
 extern void blk_queue_virt_boundary(struct request_queue *, unsigned long);
-- 
2.39.2





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