--- /dev/null
+diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt
+index dbea4f9..29b9abc 100644
+--- a/Documentation/ioctl/ioctl-number.txt
++++ b/Documentation/ioctl/ioctl-number.txt
+@@ -180,6 +180,7 @@ Code Seq# Include File Comments
+ <http://www.proximity.com.au/~brian/winradio/>
+ 0x90 00 drivers/cdrom/sbpcd.h
+ 0x93 60-7F linux/auto_fs.h
++0x97 00-7F fs/ceph/ioctl.h Ceph file system
+ 0x99 00-0F 537-Addinboard driver
+ <mailto:buk@buks.ipn.de>
+ 0xA0 all linux/sdp/sdp.h Industrial Device Project