qc->orig_n_elem = n_elem; 
void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,		 unsigned int n_elem){	qc->flags |= ATA_QCFLAG_SG;	qc->sg = sg;	qc->n_elem = n_elem;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/cedc9a478d8c6265879dc3839ef3d4849a709184/libata-core.c/clean/drivers/scsi/libata-core.c