target/iblock: fix holder printing in iblock_show_configfs_dev_params

bd_contains is never NULL for an open block device.  In addition ibd_bd
is always set to a block device that was exclusively opened by the
target code, so the holder is guranteed to be ib_dev as well.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NJens Axboe <axboe@kernel.dk>

drivers/target/target_core_iblock.c

@@ -611,9 +611,8 @@ static ssize_t iblock_show_configfs_dev_params(struct se_device *dev, char *b)
 	bl += sprintf(b + bl, "        ");
 	if (bd) {
 		bl += sprintf(b + bl, "Major: %d Minor: %d  %s\n",
-			MAJOR(bd->bd_dev), MINOR(bd->bd_dev), (!bd->bd_contains) ?
-			"" : (bd->bd_holder == ib_dev) ?
-			"CLAIMED: IBLOCK" : "CLAIMED: OS");
+			MAJOR(bd->bd_dev), MINOR(bd->bd_dev),
+			"CLAIMED: IBLOCK");
 	} else {
 		bl += sprintf(b + bl, "Major: 0 Minor: 0\n");
 	}