4 files changed, 45 insertions, 40 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index f779f674dfa..ef4c687e7c0 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -18,6 +18,7 @@
 #include <linux/major.h>
 #include <linux/slab.h>
 #include <linux/buffer_head.h>
+#include <linux/hdreg.h>
 
 #include <asm/ccwdev.h>
 #include <asm/ebcdic.h>
@@ -1634,7 +1635,7 @@ dasd_setup_queue(struct dasd_device * device)
 	blk_queue_max_hw_segments(device->request_queue, -1L);
 	blk_queue_max_segment_size(device->request_queue, -1L);
 	blk_queue_segment_boundary(device->request_queue, -1L);
-	blk_queue_ordered(device->request_queue, 1);
+	blk_queue_ordered(device->request_queue, QUEUE_ORDERED_TAG, NULL);
 }
 
 /*
@@ -1723,12 +1724,35 @@ dasd_release(struct inode *inp, struct file *filp)
 	return 0;
 }
 
+/*
+ * Return disk geometry.
+ */
+static int
+dasd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
+{
+	struct dasd_device *device;
+
+	device = bdev->bd_disk->private_data;
+	if (!device)
+		return -ENODEV;
+
+	if (!device->discipline ||
+	    !device->discipline->fill_geometry)
+		return -EINVAL;
+
+	device->discipline->fill_geometry(device, geo);
+	geo->start = get_start_sect(bdev) >> device->s2b_shift;
+	return 0;
+}
+
 struct block_device_operations
 dasd_device_operations = {
 	.owner		= THIS_MODULE,
 	.open		= dasd_open,
 	.release	= dasd_release,
 	.ioctl		= dasd_ioctl,
+	.compat_ioctl	= dasd_compat_ioctl,
+	.getgeo		= dasd_getgeo,
 };
 
 
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 2fb05c4a528..e4b401500b0 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -527,6 +527,7 @@ void dasd_ioctl_exit(void);
 int  dasd_ioctl_no_register(struct module *, int, dasd_ioctl_fn_t);
 int  dasd_ioctl_no_unregister(struct module *, int, dasd_ioctl_fn_t);
 int  dasd_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+long dasd_compat_ioctl(struct file *, unsigned int, unsigned long);
 
 /* externals in dasd_proc.c */
 int dasd_proc_init(void);
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 044b7537199..9396fcacb8f 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -118,6 +118,18 @@ dasd_ioctl(struct inode *inp, struct file *filp,
 	return -EINVAL;
 }
 
+long
+dasd_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+	int rval;
+
+	lock_kernel();
+	rval = dasd_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
+	unlock_kernel();
+
+	return (rval == -EINVAL) ? -ENOIOCTLCMD : rval;
+}
+
 static int
 dasd_ioctl_api_version(struct block_device *bdev, int no, long args)
 {
@@ -486,33 +498,6 @@ dasd_ioctl_set_ro(struct block_device *bdev, int no, long args)
 }
 
 /*
- * Return disk geometry.
- */
-static int
-dasd_ioctl_getgeo(struct block_device *bdev, int no, long args)
-{
-	struct hd_geometry geo = { 0, };
-	struct dasd_device *device;
-
-	device =  bdev->bd_disk->private_data;
-	if (device == NULL)
-		return -ENODEV;
-
-	if (device == NULL || device->discipline == NULL ||
-	    device->discipline->fill_geometry == NULL)
-		return -EINVAL;
-
-	geo = (struct hd_geometry) {};
-	device->discipline->fill_geometry(device, &geo);
-	geo.start = get_start_sect(bdev) >> device->s2b_shift;
-	if (copy_to_user((struct hd_geometry __user *) args, &geo,
-			 sizeof (struct hd_geometry)))
-		return -EFAULT;
-
-	return 0;
-}
-
-/*
  * List of static ioctls.
  */
 static struct { int no; dasd_ioctl_fn_t fn; } dasd_ioctls[] =
@@ -528,7 +513,6 @@ static struct { int no; dasd_ioctl_fn_t fn; } dasd_ioctls[] =
 	{ BIODASDPRRST, dasd_ioctl_reset_profile },
 	{ BLKROSET, dasd_ioctl_set_ro },
 	{ DASDAPIVER, dasd_ioctl_api_version },
-	{ HDIO_GETGEO, dasd_ioctl_getgeo },
 	{ -1, NULL }
 };
 
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index bf3a67c3cc5..54ecd548c31 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -328,31 +328,27 @@ fail:
 	return 0;
 }
 
-static int xpram_ioctl (struct inode *inode, struct file *filp,
-		 unsigned int cmd, unsigned long arg)
+static int xpram_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 {
-	struct hd_geometry __user *geo;
 	unsigned long size;
-	if (cmd != HDIO_GETGEO)
-		return -EINVAL;
+
 	/*
 	 * get geometry: we have to fake one...  trim the size to a
 	 * multiple of 64 (32k): tell we have 16 sectors, 4 heads,
 	 * whatever cylinders. Tell also that data starts at sector. 4.
 	 */
-	geo = (struct hd_geometry __user *) arg;
 	size = (xpram_pages * 8) & ~0x3f;
-	put_user(size >> 6, &geo->cylinders);
-	put_user(4, &geo->heads);
-	put_user(16, &geo->sectors);
-	put_user(4, &geo->start);
+	geo->cylinders = size >> 6;
+	geo->heads = 4;
+	geo->sectors = 16;
+	geo->start = 4;
 	return 0;
 }
 
 static struct block_device_operations xpram_devops =
 {
 	.owner	= THIS_MODULE,
-	.ioctl	= xpram_ioctl,
+	.getgeo	= xpram_getgeo,
 };
 
 /*