diff --git a/block/bio.c b/block/bio.c
index 62419aa09d73..4a8e76169957 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -78,7 +78,7 @@ struct bio_slab {
 	struct kmem_cache *slab;
 	unsigned int slab_ref;
 	unsigned int slab_size;
-	char name[8];
+	char name[12];
 };
 static DEFINE_MUTEX(bio_slab_lock);
 static DEFINE_XARRAY(bio_slabs);