670 static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,  in loop_change_fd()  argument
714 		ioctl_by_bdev(bdev, BLKRRPART, 0);  in loop_change_fd()
731 		       struct block_device *bdev, unsigned int arg)  in loop_set_fd()  argument
758 		if (f->f_mapping->host->i_bdev == bdev)  in loop_set_fd()
807 	set_device_ro(bdev, (lo_flags & LO_FLAGS_READ_ONLY) != 0);  in loop_set_fd()
810 	lo->lo_device = bdev;  in loop_set_fd()
830 	bd_set_size(bdev, size << 9);  in loop_set_fd()
832 	set_blocksize(bdev, lo_blocksize);  in loop_set_fd()
843 		ioctl_by_bdev(bdev, BLKRRPART, 0);  in loop_set_fd()
852 	invalidate_bdev(bdev);  in loop_set_fd()
853 	bd_set_size(bdev, 0);  in loop_set_fd()
901 static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)  in loop_clr_fd()  argument
937 	if (bdev)  in loop_clr_fd()
938 		invalidate_bdev(bdev);  in loop_clr_fd()
940 	if (bdev)  in loop_clr_fd()
941 		bd_set_size(bdev, 0);  in loop_clr_fd()
948 		ioctl_by_bdev(bdev, BLKRRPART, 0);  in loop_clr_fd()
1160 static int lo_ioctl(struct block_device *bdev, fmode_t mode,  in lo_ioctl()  argument
1163 	struct loop_device *lo = bdev->bd_disk->private_data;  in lo_ioctl()
1169 		err = loop_set_fd(lo, mode, bdev, arg);  in lo_ioctl()
1172 		err = loop_change_fd(lo, bdev, arg);  in lo_ioctl()
1175 		err = loop_clr_fd(lo, bdev);  in lo_ioctl()
1315 static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,  in lo_compat_ioctl()  argument
1318 	struct loop_device *lo = bdev->bd_disk->private_data;  in lo_compat_ioctl()
1340 		err = lo_ioctl(bdev, mode, cmd, arg);  in lo_compat_ioctl()
1350 static int lo_open(struct block_device *bdev, fmode_t mode)  in lo_open()  argument
1352 	struct loop_device *lo = bdev->bd_disk->private_data;  in lo_open()