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%&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz                                                                         
 








      
 	

     
  
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$4 % &'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz                                                                        
  ?     N    m?    j    EP   /* 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