Release 4.12 include/scsi/scsi_request.h

#ifndef _SCSI_SCSI_REQUEST_H

#define _SCSI_SCSI_REQUEST_H

#include <linux/blk-mq.h>


#define BLK_MAX_CDB	16


struct scsi_request {
	
unsigned char	__cmd[BLK_MAX_CDB];
	
unsigned char	*cmd;
	
unsigned short	cmd_len;
	
int		result;
	
unsigned int	sense_len;
	
unsigned int	resid_len;	/* residual count */
	
int		retries;
	
void		*sense;
};



static inline struct scsi_request *scsi_req(struct request *rq)
{
	return blk_mq_rq_to_pdu(rq);
}

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static inline void scsi_req_free_cmd(struct scsi_request *req)
{
	if (req->cmd != req->__cmd)
		kfree(req->cmd);
}

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void scsi_req_init(struct request *);

#endif /* _SCSI_SCSI_REQUEST_H */
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