Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _UAPI_LINUX_BLKDEV_H
3#define _UAPI_LINUX_BLKDEV_H
4
5#include <linux/ioctl.h>
6#include <linux/types.h>
7
8/*
9 * io_uring block file commands, see IORING_OP_URING_CMD.
10 * It's a different number space from ioctl(), reuse the block's code 0x12.
11 */
12#define BLOCK_URING_CMD_DISCARD _IO(0x12, 0)
13
14#endif