172 	struct block_device *bdev = lo->lo_device;  in figure_loop_size()  local
181 	bd_set_size(bdev, (loff_t)get_capacity(bdev->bd_disk) << 9);  in figure_loop_size()
183 	kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);  in figure_loop_size()
485 static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,  in loop_change_fd()  argument
525 		ioctl_by_bdev(bdev, BLKRRPART, 0);  in loop_change_fd()
670 		       struct block_device *bdev, unsigned int arg)  in loop_set_fd()  argument
697 		if (f->f_mapping->host->i_bdev == bdev)  in loop_set_fd()
735 	set_device_ro(bdev, (lo_flags & LO_FLAGS_READ_ONLY) != 0);  in loop_set_fd()
738 	lo->lo_device = bdev;  in loop_set_fd()
751 	bd_set_size(bdev, size << 9);  in loop_set_fd()
754 	kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);  in loop_set_fd()
756 	set_blocksize(bdev, lo_blocksize);  in loop_set_fd()
762 		ioctl_by_bdev(bdev, BLKRRPART, 0);  in loop_set_fd()
767 	bdgrab(bdev);  in loop_set_fd()
819 	struct block_device *bdev = lo->lo_device;  in loop_clr_fd()  local
859 	if (bdev) {  in loop_clr_fd()
860 		bdput(bdev);  in loop_clr_fd()
861 		invalidate_bdev(bdev);  in loop_clr_fd()
865 	if (bdev) {  in loop_clr_fd()
866 		bd_set_size(bdev, 0);  in loop_clr_fd()
868 		kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);  in loop_clr_fd()
874 	if (lo->lo_flags & LO_FLAGS_PARTSCAN && bdev)  in loop_clr_fd()
875 		ioctl_by_bdev(bdev, BLKRRPART, 0);  in loop_clr_fd()
1106 static int loop_set_capacity(struct loop_device *lo, struct block_device *bdev)  in loop_set_capacity()  argument
1114 static int lo_ioctl(struct block_device *bdev, fmode_t mode,  in lo_ioctl()  argument
1117 	struct loop_device *lo = bdev->bd_disk->private_data;  in lo_ioctl()
1123 		err = loop_set_fd(lo, mode, bdev, arg);  in lo_ioctl()
1126 		err = loop_change_fd(lo, bdev, arg);  in lo_ioctl()
1155 			err = loop_set_capacity(lo, bdev);  in lo_ioctl()
1285 static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,  in lo_compat_ioctl()  argument
1288 	struct loop_device *lo = bdev->bd_disk->private_data;  in lo_compat_ioctl()
1311 		err = lo_ioctl(bdev, mode, cmd, arg);  in lo_compat_ioctl()
1321 static int lo_open(struct block_device *bdev, fmode_t mode)  in lo_open()  argument
1327 	lo = bdev->bd_disk->private_data;  in lo_open()