68 struct scsi_cmnd {  struct
92 	enum scsi_cmnd_submitter submitter;  argument
94 	unsigned short cmd_len;
95 	enum dma_data_direction sc_data_direction;
97 	unsigned char cmnd[32]; /* SCSI CDB */
100 	struct scsi_data_buffer sdb;
101 	struct scsi_data_buffer *prot_sdb;
103 	unsigned underflow;	/* Return error if less than
106 	unsigned transfersize;	/* How much we are guaranteed to
111 	unsigned resid_len;	/* residual count */
112 	unsigned sense_len;
113 	unsigned char *sense_buffer;
141 static inline struct request *scsi_cmd_to_rq(struct scsi_cmnd *scmd)  in scsi_cmd_to_rq()  argument