74 struct scsi_cmnd {  struct
98 	enum scsi_cmnd_submitter submitter;  argument
100 	unsigned short cmd_len;
101 	enum dma_data_direction sc_data_direction;
103 	unsigned char cmnd[32]; /* SCSI CDB */
106 	struct scsi_data_buffer sdb;
107 	struct scsi_data_buffer *prot_sdb;
109 	unsigned underflow;	/* Return error if less than
112 	unsigned transfersize;	/* How much we are guaranteed to
117 	unsigned resid_len;	/* residual count */
118 	unsigned sense_len;
119 	unsigned char *sense_buffer;
147 static inline struct request *scsi_cmd_to_rq(struct scsi_cmnd *scmd)  in scsi_cmd_to_rq()  argument