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block: Get rid of blk_get_backing_dev_info()

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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>
This commit is contained in:
Jan Kara
2017-02-02 15:56:53 +01:00
committed by Jens Axboe
parent b1d2dc5659
commit efa7c9f97e
9 changed files with 8 additions and 31 deletions
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block/blk-core.c
-14
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@@ -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));