44 dasd_ioctl_enable(struct block_device *bdev)  in dasd_ioctl_enable()  argument
51 	base = dasd_device_from_gendisk(bdev->bd_disk);  in dasd_ioctl_enable()
57 	mutex_lock(&bdev->bd_mutex);  in dasd_ioctl_enable()
58 	i_size_write(bdev->bd_inode,  in dasd_ioctl_enable()
60 	mutex_unlock(&bdev->bd_mutex);  in dasd_ioctl_enable()
70 dasd_ioctl_disable(struct block_device *bdev)  in dasd_ioctl_disable()  argument
77 	base = dasd_device_from_gendisk(bdev->bd_disk);  in dasd_ioctl_disable()
93 	mutex_lock(&bdev->bd_mutex);  in dasd_ioctl_disable()
94 	i_size_write(bdev->bd_inode, 0);  in dasd_ioctl_disable()
95 	mutex_unlock(&bdev->bd_mutex);  in dasd_ioctl_disable()
229 		struct block_device *bdev = bdget_disk(block->gdp, 0);  in dasd_format()  local
230 		bdev->bd_inode->i_blkbits = blksize_bits(fdata->blksize);  in dasd_format()
231 		bdput(bdev);  in dasd_format()
262 dasd_ioctl_format(struct block_device *bdev, void __user *argp)  in dasd_ioctl_format()  argument
272 	base = dasd_device_from_gendisk(bdev->bd_disk);  in dasd_ioctl_format()
284 	if (bdev != bdev->bd_contains) {  in dasd_ioctl_format()
299 static int dasd_ioctl_check_format(struct block_device *bdev, void __user *argp)  in dasd_ioctl_check_format()  argument
308 	base = dasd_device_from_gendisk(bdev->bd_disk);  in dasd_ioctl_check_format()
311 	if (bdev != bdev->bd_contains) {  in dasd_ioctl_check_format()
449 	if (!block->bdev)  in dasd_ioctl_information()
497 dasd_ioctl_set_ro(struct block_device *bdev, void __user *argp)  in dasd_ioctl_set_ro()  argument
504 	if (bdev != bdev->bd_contains)  in dasd_ioctl_set_ro()
509 	base = dasd_device_from_gendisk(bdev->bd_disk);  in dasd_ioctl_set_ro()
516 	set_disk_ro(bdev->bd_disk, intval);  in dasd_ioctl_set_ro()
535 int dasd_ioctl(struct block_device *bdev, fmode_t mode,  in dasd_ioctl()  argument
553 	base = dasd_device_from_gendisk(bdev->bd_disk);  in dasd_ioctl()
560 		rc = dasd_ioctl_disable(bdev);  in dasd_ioctl()
563 		rc = dasd_ioctl_enable(bdev);  in dasd_ioctl()
578 		rc = dasd_ioctl_format(bdev, argp);  in dasd_ioctl()
581 		rc = dasd_ioctl_check_format(bdev, argp);  in dasd_ioctl()
596 		rc = dasd_ioctl_set_ro(bdev, argp);  in dasd_ioctl()