From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Thu, 26 Mar 2009 14:23:45 +0000 (+0100)
Subject: [S390] dasd: enable compat ioctls
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=0000d031703c33b9ea909ad81f03762db66135e1;p=linux-2.6-omap-h63xx.git

[S390] dasd: enable compat ioctls

All of the ioctls are compatible. Just enable them.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 08c23a92101..93972ed7f2d 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2101,7 +2101,8 @@ dasd_device_operations = {
 	.owner		= THIS_MODULE,
 	.open		= dasd_open,
 	.release	= dasd_release,
-	.locked_ioctl	= dasd_ioctl,
+	.ioctl		= dasd_ioctl,
+	.compat_ioctl	= dasd_ioctl,
 	.getgeo		= dasd_getgeo,
 };
 
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index b82d816d9ef..16e6ba462cb 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -365,9 +365,9 @@ static int dasd_ioctl_readall_cmb(struct dasd_block *block, unsigned int cmd,
 	return ret;
 }
 
-int
-dasd_ioctl(struct block_device *bdev, fmode_t mode,
-	   unsigned int cmd, unsigned long arg)
+static int
+dasd_do_ioctl(struct block_device *bdev, fmode_t mode,
+	      unsigned int cmd, unsigned long arg)
 {
 	struct dasd_block *block = bdev->bd_disk->private_data;
 	void __user *argp = (void __user *)arg;
@@ -420,3 +420,14 @@ dasd_ioctl(struct block_device *bdev, fmode_t mode,
 		return -EINVAL;
 	}
 }
+
+int dasd_ioctl(struct block_device *bdev, fmode_t mode,
+	       unsigned int cmd, unsigned long arg)
+{
+	int rc;
+
+	lock_kernel();
+	rc = dasd_do_ioctl(bdev, mode, cmd, arg);
+	unlock_kernel();
+	return rc;
+}