commit a7cb3d2f09c8405aed59d97a7d02cebea43cd3c7
author Christoph Hellwig <hch@lst.de> Tue Nov 03 11:00:18 2020 +0100
committer Jens Axboe <axboe@kernel.dk> Mon Nov 16 08:14:29 2020 -0700
tree 620ec73e4343bdbf571d27cf53975682d33e0ab9
parent 98f49b63e84d4ee1a5c327d0b5f4e8699f6c70fe

block: remove __blkdev_driver_ioctl

Just open code it in the few callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

drivers/md/dm.c

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index c18fc25..6db395c 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -570,7 +570,10 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode,
 		}
 	}
 
-	r =  __blkdev_driver_ioctl(bdev, mode, cmd, arg);
+	if (!bdev->bd_disk->fops->ioctl)
+		r = -ENOTTY;
+	else
+		r = bdev->bd_disk->fops->ioctl(bdev, mode, cmd, arg);
 out:
 	dm_unprepare_ioctl(md, srcu_idx);
 	return r;