1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 04787eab1016..bb52d2fbac18 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -36,7 +36,7 @@ static int dcssblk_open(struct inode *inode, struct file *filp);
 static int dcssblk_release(struct inode *inode, struct file *filp);
 static int dcssblk_make_request(struct request_queue *q, struct bio *bio);
 static int dcssblk_direct_access(struct block_device *bdev, sector_t secnum,
-                                 unsigned long *data);
+                                 void **kaddr, unsigned long *pfn);
 
 static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0";
 
@@ -636,7 +636,7 @@ fail:
 
 static int
 dcssblk_direct_access (struct block_device *bdev, sector_t secnum,
-                        unsigned long *data)
+                        void **kaddr, unsigned long *pfn)
 {
         struct dcssblk_dev_info *dev_info;
         unsigned long pgoff;
@@ -649,7 +649,9 @@ dcssblk_direct_access (struct block_device *bdev, sector_t secnum,
         pgoff = secnum / (PAGE_SIZE / 512);
         if ((pgoff+1)*PAGE_SIZE-1 > dev_info->end - dev_info->start)
                 return -ERANGE;
-        *data = (unsigned long) (dev_info->start+pgoff*PAGE_SIZE);
+        *kaddr = (void *) (dev_info->start+pgoff*PAGE_SIZE);
+        *pfn = virt_to_phys(*kaddr) >> PAGE_SHIFT;
+
         return 0;
 }