[PATCH] libata: Setup nbytes in ata_sg_init_one

Setup nbytes in ata_sg_init_one to the total transfer length
of the command. This is needed by some HBAs that need to know
the total transfer length of each command.
Signed-off-by: NBrian King <brking@us.ibm.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/scsi/libata-core.c

@@ -3287,6 +3287,7 @@ void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen)
 	qc->n_elem = 1;
 	qc->orig_n_elem = 1;
 	qc->buf_virt = buf;
+	qc->nbytes = buflen;
 
 	sg = qc->__sg;
 	sg_init_one(sg, buf, buflen);