diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0b6eca746fd4923e1f02756668d49002f41c9117..ba34f7b435a2a390cc06b4ad3e0492ee98e6f33f 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2258,30 +2258,6 @@ static inline u32 btrfs_file_extent_inline_item_len(
 	return btrfs_item_size(eb, e) - BTRFS_FILE_EXTENT_INLINE_DATA_START;
 }
 
-/* btrfs_dev_stats_item */
-static inline u64 btrfs_dev_stats_value(const struct extent_buffer *eb,
-					const struct btrfs_dev_stats_item *ptr,
-					int index)
-{
-	u64 val;
-
-	read_extent_buffer(eb, &val,
-			   offsetof(struct btrfs_dev_stats_item, values) +
-			    ((unsigned long)ptr) + (index * sizeof(u64)),
-			   sizeof(val));
-	return val;
-}
-
-static inline void btrfs_set_dev_stats_value(struct extent_buffer *eb,
-					     struct btrfs_dev_stats_item *ptr,
-					     int index, u64 val)
-{
-	write_extent_buffer(eb, &val,
-			    offsetof(struct btrfs_dev_stats_item, values) +
-			     ((unsigned long)ptr) + (index * sizeof(u64)),
-			    sizeof(val));
-}
-
 /* btrfs_qgroup_status_item */
 BTRFS_SETGET_FUNCS(qgroup_status_generation, struct btrfs_qgroup_status_item,
 		   generation, 64);
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 02976c174f32c0abad6d745952bd566c253029bb..a324480bc88b9827f13f72d94beb76a9d7b3fb61 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -7285,6 +7285,29 @@ void btrfs_init_devices_late(struct btrfs_fs_info *fs_info)
 	}
 }
 
+static u64 btrfs_dev_stats_value(const struct extent_buffer *eb,
+				 const struct btrfs_dev_stats_item *ptr,
+				 int index)
+{
+	u64 val;
+
+	read_extent_buffer(eb, &val,
+			   offsetof(struct btrfs_dev_stats_item, values) +
+			    ((unsigned long)ptr) + (index * sizeof(u64)),
+			   sizeof(val));
+	return val;
+}
+
+static void btrfs_set_dev_stats_value(struct extent_buffer *eb,
+				      struct btrfs_dev_stats_item *ptr,
+				      int index, u64 val)
+{
+	write_extent_buffer(eb, &val,
+			    offsetof(struct btrfs_dev_stats_item, values) +
+			     ((unsigned long)ptr) + (index * sizeof(u64)),
+			    sizeof(val));
+}
+
 int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info)
 {
 	struct btrfs_key key;