2 files changed, 6 insertions, 23 deletions

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 2c876ffc63df..9e88ca0c55e9 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -325,20 +325,13 @@ static int open_dev(struct dm_dev_internal *d, dev_t dev,
 
         BUG_ON(d->dm_dev.bdev);
 
-        bdev = open_by_devnum(dev, d->dm_dev.mode);
+        bdev = open_by_devnum(dev, d->dm_dev.mode | FMODE_EXCL, _claim_ptr);
         if (IS_ERR(bdev))
                 return PTR_ERR(bdev);
 
-        r = bd_claim(bdev, _claim_ptr);
-        if (r) {
-                blkdev_put(bdev, d->dm_dev.mode);
-                return r;
-        }
-
         r = bd_link_disk_holder(bdev, dm_disk(md));
         if (r) {
-                bd_release(bdev);
-                blkdev_put(bdev, d->dm_dev.mode);
+                blkdev_put(bdev, d->dm_dev.mode | FMODE_EXCL);
                 return r;
         }
 
@@ -354,9 +347,7 @@ static void close_dev(struct dm_dev_internal *d, struct mapped_device *md)
         if (!d->dm_dev.bdev)
                 return;
 
-        bd_unlink_disk_holder(d->dm_dev.bdev);
-        bd_release(d->dm_dev.bdev);
-        blkdev_put(d->dm_dev.bdev, d->dm_dev.mode);
+        blkdev_put(d->dm_dev.bdev, d->dm_dev.mode | FMODE_EXCL);
         d->dm_dev.bdev = NULL;
 }
 
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);