3 files changed, 9 insertions, 19 deletions

diff --git a/arch/s390/kernel/compat_ioctl.c b/arch/s390/kernel/compat_ioctl.c
index 96571ff7115d..03d03c6d3cbb 100644
--- a/arch/s390/kernel/compat_ioctl.c
+++ b/arch/s390/kernel/compat_ioctl.c
@@ -16,6 +16,7 @@
 #define CODE
 #include "../../../fs/compat_ioctl.c"
 #include <asm/dasd.h>
+#include <asm/cmb.h>
 #include <asm/tape390.h>
 
 static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd,
@@ -58,7 +59,11 @@ COMPATIBLE_IOCTL(BIODASDPRRD)
 COMPATIBLE_IOCTL(BIODASDPSRD)
 COMPATIBLE_IOCTL(BIODASDGATTR)
 COMPATIBLE_IOCTL(BIODASDSATTR)
-
+#if defined(CONFIG_DASD_CMB) || defined(CONFIG_DASD_CMB_MODULE)
+COMPATIBLE_IOCTL(BIODASDCMFENABLE)
+COMPATIBLE_IOCTL(BIODASDCMFDISABLE)
+COMPATIBLE_IOCTL(BIODASDREADALLCMB)
+#endif
 #endif
 
 #if defined(CONFIG_S390_TAPE) || defined(CONFIG_S390_TAPE_MODULE)
diff --git a/drivers/s390/block/dasd_cmb.c b/drivers/s390/block/dasd_cmb.c
index ed1ab474c0c6..4f365bff275c 100644
--- a/drivers/s390/block/dasd_cmb.c
+++ b/drivers/s390/block/dasd_cmb.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/s390/block/dasd_cmb.c ($Revision: 1.6 $)
+ * linux/drivers/s390/block/dasd_cmb.c ($Revision: 1.9 $)
  *
  * Linux on zSeries Channel Measurement Facility support
  *  (dasd device driver interface)
@@ -23,7 +23,6 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 #include <linux/init.h>
-#include <linux/ioctl32.h>
 #include <linux/module.h>
 #include <asm/ccwdev.h>
 #include <asm/cmb.h>
@@ -84,27 +83,13 @@ dasd_ioctl_readall_cmb(struct block_device *bdev, int no, long args)
 static inline int
 ioctl_reg(unsigned int no, dasd_ioctl_fn_t handler)
 {
-        int ret;
-        ret = dasd_ioctl_no_register(THIS_MODULE, no, handler);
-#ifdef CONFIG_COMPAT
-        if (ret)
-                return ret;
-
-        ret = register_ioctl32_conversion(no, NULL);
-        if (ret)
-                dasd_ioctl_no_unregister(THIS_MODULE, no, handler);
-#endif
-        return ret;
+        return dasd_ioctl_no_register(THIS_MODULE, no, handler);
 }
 
 static inline void
 ioctl_unreg(unsigned int no, dasd_ioctl_fn_t handler)
 {
         dasd_ioctl_no_unregister(THIS_MODULE, no, handler);
-#ifdef CONFIG_COMPAT
-        unregister_ioctl32_conversion(no);
-#endif
-
 }
 
 static void
diff --git a/include/asm-s390/cmb.h b/include/asm-s390/cmb.h
index 1bfe2bd630b5..dae1dd4fb937 100644
--- a/include/asm-s390/cmb.h
+++ b/include/asm-s390/cmb.h
@@ -52,7 +52,7 @@ struct cmbdata {
 #define BIODASDREADALLCMB       _IOWR(DASD_IOCTL_LETTER,33,struct cmbdata)
 
 #ifdef __KERNEL__
-
+struct ccw_device;
 /**
  * enable_cmf() - switch on the channel measurement for a specific device
  *  @cdev:      The ccw device to be enabled