1*50c52250SPavel Begunkov /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*50c52250SPavel Begunkov #ifndef _UAPI_LINUX_BLKDEV_H 3*50c52250SPavel Begunkov #define _UAPI_LINUX_BLKDEV_H 4*50c52250SPavel Begunkov 5*50c52250SPavel Begunkov #include <linux/ioctl.h> 6*50c52250SPavel Begunkov #include <linux/types.h> 7*50c52250SPavel Begunkov 8*50c52250SPavel Begunkov /* 9*50c52250SPavel Begunkov * io_uring block file commands, see IORING_OP_URING_CMD. 10*50c52250SPavel Begunkov * It's a different number space from ioctl(), reuse the block's code 0x12. 11*50c52250SPavel Begunkov */ 12*50c52250SPavel Begunkov #define BLOCK_URING_CMD_DISCARD _IO(0x12, 0) 13*50c52250SPavel Begunkov 14*50c52250SPavel Begunkov #endif 15