1 files changed, 3 insertions, 11 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index c47644fca1a1..6af951ffe0bb 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1907,7 +1907,6 @@ static void unbind_rdev_from_array(mdk_rdev_t * rdev)
                 MD_BUG();
                 return;
         }
-        bd_unlink_disk_holder(rdev->bdev);
         list_del_rcu(&rdev->same_set);
         printk(KERN_INFO "md: unbind<%s>\n", bdevname(rdev->bdev,b));
         rdev->mddev = NULL;
@@ -1935,19 +1934,13 @@ static int lock_rdev(mdk_rdev_t *rdev, dev_t dev, int shared)
         struct block_device *bdev;
         char b[BDEVNAME_SIZE];
 
-        bdev = open_by_devnum(dev, FMODE_READ|FMODE_WRITE);
+        bdev = open_by_devnum(dev, FMODE_READ|FMODE_WRITE|FMODE_EXCL,
+                              shared ? (mdk_rdev_t *)lock_rdev : rdev);
         if (IS_ERR(bdev)) {
                 printk(KERN_ERR "md: could not open %s.\n",
                         __bdevname(dev, b));
                 return PTR_ERR(bdev);
         }
-        err = bd_claim(bdev, shared ? (mdk_rdev_t *)lock_rdev : rdev);
-        if (err) {
-                printk(KERN_ERR "md: could not bd_claim %s.\n",
-                        bdevname(bdev, b));
-                blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
-                return err;
-        }
         if (!shared)
                 set_bit(AllReserved, &rdev->flags);
         rdev->bdev = bdev;
@@ -1960,8 +1953,7 @@ static void unlock_rdev(mdk_rdev_t *rdev)
         rdev->bdev = NULL;
         if (!bdev)
                 MD_BUG();
-        bd_release(bdev);
-        blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
+        blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
 }
 
 void md_autodetect_dev(dev_t dev);