[libata] ATA passthru (arbitrary ATA command execution)

Authors:
Brett Russ <russb@emc.com>
John W. Linville <linville@tuxdriver.com>
Andy Warner <andyw@pobox.com>
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index 6518226..c595f5f 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -44,10 +44,11 @@
                            unsigned int wait, unsigned int can_sleep);
 extern void ata_tf_to_host_nolock(struct ata_port *ap, struct ata_taskfile *tf);
 extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
+extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
+extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
 
 
 /* libata-scsi.c */
-extern void ata_to_sense_error(struct ata_queued_cmd *qc, u8 drv_stat);
 extern int ata_scsi_error(struct Scsi_Host *host);
 extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
 			       unsigned int buflen);