+void ide_create_request_sense_cmd(ide_drive_t *drive, struct ide_atapi_pc *pc)
+{
+ ide_init_pc(pc);
+ pc->c[0] = REQUEST_SENSE;
+ if (drive->media == ide_floppy) {
+ pc->c[4] = 255;
+ pc->req_xfer = 18;
+ } else {
+ pc->c[4] = 20;
+ pc->req_xfer = 20;
+ }
+}
+EXPORT_SYMBOL_GPL(ide_create_request_sense_cmd);
+
+/*
+ * Called when an error was detected during the last packet command.
+ * We queue a request sense packet command in the head of the request list.
+ */
+void ide_retry_pc(ide_drive_t *drive, struct gendisk *disk)
+{
+ struct request *rq = &drive->request_sense_rq;
+ struct ide_atapi_pc *pc = &drive->request_sense_pc;
+
+ (void)ide_read_error(drive);
+ ide_create_request_sense_cmd(drive, pc);
+ if (drive->media == ide_tape)
+ set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
+ ide_queue_pc_head(drive, disk, pc, rq);
+}
+EXPORT_SYMBOL_GPL(ide_retry_pc);
+