From: Josef Bacik <jbacik@xxxxxx> We use this in btrfs for metadata writeback. Acked-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> Signed-off-by: Josef Bacik <jbacik@xxxxxx> --- lib/radix-tree.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 8b1feca1230a..0c1cde9fcb69 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -1459,6 +1459,7 @@ void radix_tree_iter_tag_set(struct radix_tree_root *root, { node_tag_set(root, iter->node, tag, iter_offset(iter)); } +EXPORT_SYMBOL(radix_tree_iter_tag_set); static void node_tag_clear(struct radix_tree_root *root, struct radix_tree_node *node, -- 2.7.5