197 static int blk_ioctl_discard(struct block_device *bdev, fmode_t mode,  in blk_ioctl_discard()  argument
203 	if (!(mode & FMODE_WRITE))  in blk_ioctl_discard()
224 static int blk_ioctl_zeroout(struct block_device *bdev, fmode_t mode,  in blk_ioctl_zeroout()  argument
230 	if (!(mode & FMODE_WRITE))  in blk_ioctl_zeroout()
282 int __blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,  in __blkdev_driver_ioctl()  argument
288 		return disk->fops->ioctl(bdev, mode, cmd, arg);  in __blkdev_driver_ioctl()
409 static int blkdev_flushbuf(struct block_device *bdev, fmode_t mode,  in blkdev_flushbuf()  argument
417 	ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_flushbuf()
426 static int blkdev_roset(struct block_device *bdev, fmode_t mode,  in blkdev_roset()  argument
431 	ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_roset()
469 static int blkdev_bszset(struct block_device *bdev, fmode_t mode,  in blkdev_bszset()  argument
481 	if (!(mode & FMODE_EXCL)) {  in blkdev_bszset()
483 		if (blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0)  in blkdev_bszset()
488 	if (!(mode & FMODE_EXCL))  in blkdev_bszset()
489 		blkdev_put(bdev, mode | FMODE_EXCL);  in blkdev_bszset()
496 int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,  in blkdev_ioctl()  argument
506 		return blkdev_flushbuf(bdev, mode, cmd, arg);  in blkdev_ioctl()
508 		return blkdev_roset(bdev, mode, cmd, arg);  in blkdev_ioctl()
510 		return blk_ioctl_discard(bdev, mode, arg, 0);  in blkdev_ioctl()
512 		return blk_ioctl_discard(bdev, mode, arg,  in blkdev_ioctl()
515 		return blk_ioctl_zeroout(bdev, mode, arg);  in blkdev_ioctl()
554 		return blkdev_bszset(bdev, mode, argp);  in blkdev_ioctl()
584 		return __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_ioctl()