blkdev.h (359B)
- /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
- #ifndef _LINUX_BLKDEV_H
- #define _LINUX_BLKDEV_H
- #include <linux/ioctl.h>
- #include <linux/types.h>
- /*
- * io_uring block file commands, see IORING_OP_URING_CMD.
- * It's a different number space from ioctl(), reuse the block's code 0x12.
- */
- #define BLOCK_URING_CMD_DISCARD _IO(0x12, 0)
- #endif