#define TREE_READ_UNLOCK_IRQ(mapping) spin_unlock_irq(&(mapping)->tree_lock)
#endif
-#ifdef HAVE_UNREGISTER_BLKDEV_RETURN_INT
-#define ll_unregister_blkdev(a,b) unregister_blkdev((a),(b))
-#else
-static inline
-int ll_unregister_blkdev(unsigned int dev, const char *name)
-{
- unregister_blkdev(dev, name);
- return 0;
-}
-#endif
-
#ifndef FS_HAS_FIEMAP
#define FS_HAS_FIEMAP (0)
#endif