[SCSI] Make scsi_transport_spi.h includable by itself

Add forward declarations to allow scsi_transport_spi.h to be compiled by
itself.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index 6bdc4af..5c9b2e5 100644 (file)
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -24,6 +24,9 @@
 #include <linux/transport_class.h>
 
 struct scsi_transport_template;
+struct scsi_target;
+struct scsi_device;
+struct Scsi_Host;
 
 struct spi_transport_attrs {
        int period;             /* value in the PPR/SDTR command */