block: Get rid of blk_get_backing_dev_info()

blk_get_backing_dev_info() is now a simple dereference. Remove that
function and simplify some code around that.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 0 insertions, 14 deletions

diff --git a/block/blk-core.c b/block/blk-core.c
index 6375674e719b..a3c29270807e 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -105,20 +105,6 @@ void blk_queue_congestion_threshold(struct request_queue *q)
 	q->nr_congestion_off = nr;
 }
 
-/**
- * blk_get_backing_dev_info - get the address of a queue's backing_dev_info
- * @bdev:	device
- *
- * Locates the passed device's request queue and returns the address of its
- * backing_dev_info. The return value is never NULL however we may return
- * &noop_backing_dev_info if the bdev is not currently open.
- */
-struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev)
-{
-	return bdev->bd_bdi;
-}
-EXPORT_SYMBOL(blk_get_backing_dev_info);
-
 void blk_rq_init(struct request_queue *q, struct request *rq)
 {
 	memset(rq, 0, sizeof(*rq));