From 57a7c0bca009059d1d85bec608af70aa6c5f344c Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:36:08 -0500
Subject: [PATCH] switch dasd

->compat_ioctl() actually had been useless here; generic
logics works fine.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 6bf68e5..4b76fca 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2011,10 +2011,9 @@ static void dasd_flush_request_queue(struct dasd_block *block)
 	spin_unlock_irq(&block->request_queue_lock);
 }
 
-static int dasd_open(struct inode *inp, struct file *filp)
+static int dasd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inp->i_bdev->bd_disk;
-	struct dasd_block *block = disk->private_data;
+	struct dasd_block *block = bdev->bd_disk->private_data;
 	struct dasd_device *base = block->base;
 	int rc;
 
@@ -2052,9 +2051,8 @@ unlock:
 	return rc;
 }
 
-static int dasd_release(struct inode *inp, struct file *filp)
+static int dasd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inp->i_bdev->bd_disk;
 	struct dasd_block *block = disk->private_data;
 
 	atomic_dec(&block->open_count);
@@ -2087,10 +2085,9 @@ static int dasd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 struct block_device_operations
 dasd_device_operations = {
 	.owner		= THIS_MODULE,
-	.__open		= dasd_open,
-	.__release	= dasd_release,
-	.__ioctl		= dasd_ioctl,
-	.__compat_ioctl	= dasd_compat_ioctl,
+	.open		= dasd_open,
+	.release	= dasd_release,
+	.locked_ioctl	= dasd_ioctl,
 	.getgeo		= dasd_getgeo,
 };
 
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 489d5fe..05a1453 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -610,8 +610,7 @@ int dasd_scan_partitions(struct dasd_block *);
 void dasd_destroy_partitions(struct dasd_block *);
 
 /* externals in dasd_ioctl.c */
-int  dasd_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
-long dasd_compat_ioctl(struct file *, unsigned int, unsigned long);
+int  dasd_ioctl(struct block_device *, fmode_t, 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 91a6463..b82d816 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -366,10 +366,9 @@ static int dasd_ioctl_readall_cmb(struct dasd_block *block, unsigned int cmd,
 }
 
 int
-dasd_ioctl(struct inode *inode, struct file *file,
+dasd_ioctl(struct block_device *bdev, fmode_t mode,
 	   unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct dasd_block *block = bdev->bd_disk->private_data;
 	void __user *argp = (void __user *)arg;
 
@@ -421,15 +420,3 @@ dasd_ioctl(struct inode *inode, struct file *file,
 		return -EINVAL;
 	}
 }
-
-long
-dasd_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
-	int rval;
-
-	lock_kernel();
-	rval = dasd_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
-	unlock_kernel();
-
-	return (rval == -EINVAL) ? -ENOIOCTLCMD : rval;
-}
-- 
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