diff --git a/block/bio.c b/block/bio.c
index 3318e0022fdf..a7323d567c79 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -73,7 +73,7 @@ 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);