diff -drupN a/fs/dcache.c b/fs/dcache.c
--- a/fs/dcache.c	2018-08-06 17:23:04.000000000 +0300
+++ b/fs/dcache.c	2022-06-12 05:28:14.000000000 +0300
@@ -3257,6 +3257,7 @@ char *d_absolute_path(const struct path
 		return ERR_PTR(error);
 	return res;
 }
+EXPORT_SYMBOL(d_absolute_path);
 
 /*
  * same as __d_path but appends "(deleted)" for unlinked files.