1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index fafeeae52675..f9930552ab54 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -151,9 +151,9 @@ dasd_ioctl_enable(struct block_device *bdev, int no, long args)
                 return -ENODEV;
         dasd_enable_device(device);
         /* Formatting the dasd device can change the capacity. */
-        down(&bdev->bd_sem);
+        mutex_lock(&bdev->bd_mutex);
         i_size_write(bdev->bd_inode, (loff_t)get_capacity(device->gdp) << 9);
-        up(&bdev->bd_sem);
+        mutex_unlock(&bdev->bd_mutex);
         return 0;
 }
 
@@ -184,9 +184,9 @@ dasd_ioctl_disable(struct block_device *bdev, int no, long args)
          * Set i_size to zero, since read, write, etc. check against this
          * value.
          */
-        down(&bdev->bd_sem);
+        mutex_lock(&bdev->bd_mutex);
         i_size_write(bdev->bd_inode, 0);
-        up(&bdev->bd_sem);
+        mutex_unlock(&bdev->bd_mutex);
         return 0;
 }