diff --git a/Documentation/devices.txt b/Documentation/devices.txt
index 2be08240ee8061e6a55773938252a1fe888fe3c7..62254d4510c6c8e716733d9a46d12dd17c7052b1 100644
--- a/Documentation/devices.txt
+++ b/Documentation/devices.txt
@@ -3145,6 +3145,12 @@ Your cooperation is appreciated.
 		  1 = /dev/blockrom1	Second ROM card's translation layer interface
 		  ...
 
+260 char	OSD (Object-based-device) SCSI Device
+		  0 = /dev/osd0		First OSD Device
+		  1 = /dev/osd1		Second OSD Device
+		  ...
+		  255 = /dev/osd255	256th OSD Device
+
  ****	ADDITIONAL /dev DIRECTORY ENTRIES
 
 This section details additional entries that should or may exist in
diff --git a/include/linux/major.h b/include/linux/major.h
index 88249452b935befbc53985e9eb6c997b557346d8..058ec15dd060341391277f6f82f479b151a494eb 100644
--- a/include/linux/major.h
+++ b/include/linux/major.h
@@ -171,5 +171,6 @@
 #define VIOTAPE_MAJOR		230
 
 #define BLOCK_EXT_MAJOR		259
+#define SCSI_OSD_MAJOR		260	/* open-osd's OSD scsi device */
 
 #endif