block: remove bdev_stack_limits
This function is just a tiny wrapper around blk_stack_limit and has
two callers. Simplify the stack a bit by open coding it in the two
callers.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 9cddbd7..8c63af7 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -615,28 +615,6 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
EXPORT_SYMBOL(blk_stack_limits);
/**
- * bdev_stack_limits - adjust queue limits for stacked drivers
- * @t: the stacking driver limits (top device)
- * @bdev: the component block_device (bottom)
- * @start: first data sector within component device
- *
- * Description:
- * Merges queue limits for a top device and a block_device. Returns
- * 0 if alignment didn't change. Returns -1 if adding the bottom
- * device caused misalignment.
- */
-int bdev_stack_limits(struct queue_limits *t, struct block_device *bdev,
- sector_t start)
-{
- struct request_queue *bq = bdev_get_queue(bdev);
-
- start += get_start_sect(bdev);
-
- return blk_stack_limits(t, &bq->limits, start);
-}
-EXPORT_SYMBOL(bdev_stack_limits);
-
-/**
* disk_stack_limits - adjust queue limits for stacked drivers
* @disk: MD/DM gendisk (top)
* @bdev: the underlying block device (bottom)
@@ -651,7 +629,8 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
{
struct request_queue *t = disk->queue;
- if (bdev_stack_limits(&t->limits, bdev, offset >> 9) < 0) {
+ if (blk_stack_limits(&t->limits, &bdev_get_queue(bdev)->limits,
+ get_start_sect(bdev) + (offset >> 9)) < 0) {
char top[BDEVNAME_SIZE], bottom[BDEVNAME_SIZE];
disk_name(disk, 0, top);