drbd: stop using bdevname in drbd_report_io_error

Just use the %pg format specifier instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20220713055317.1888500-4-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

drivers/block/drbd/drbd_req.c

@@ -523,16 +523,14 @@ static void mod_rq_state(struct drbd_request *req, struct bio_and_error *m,
 
 static void drbd_report_io_error(struct drbd_device *device, struct drbd_request *req)
 {
-        char b[BDEVNAME_SIZE];
-
 	if (!__ratelimit(&drbd_ratelimit_state))
 		return;
 
-	drbd_warn(device, "local %s IO error sector %llu+%u on %s\n",
+	drbd_warn(device, "local %s IO error sector %llu+%u on %pg\n",
 			(req->rq_state & RQ_WRITE) ? "WRITE" : "READ",
 			(unsigned long long)req->i.sector,
 			req->i.size >> 9,
-			bdevname(device->ldev->backing_bdev, b));
+			device->ldev->backing_bdev);
 }
 
 /* Helper for HANDED_OVER_TO_NETWORK.