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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */#ifndef _UAPI_LINUX_BLKDEV_H#define _UAPI_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