diff --git a/fs/block_dev.c b/fs/block_dev.c
index 0635067..13816b4d 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -235,7 +235,7 @@
  */
 
 static  __cacheline_aligned_in_smp DEFINE_SPINLOCK(bdev_lock);
-static kmem_cache_t * bdev_cachep __read_mostly;
+static struct kmem_cache * bdev_cachep __read_mostly;
 
 static struct inode *bdev_alloc_inode(struct super_block *sb)
 {
@@ -253,7 +253,7 @@
 	kmem_cache_free(bdev_cachep, bdi);
 }
 
-static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags)
+static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
 {
 	struct bdev_inode *ei = (struct bdev_inode *) foo;
 	struct block_device *bdev = &ei->bdev;