.

bigfile/_bigfile.c

@@ -916,13 +916,17 @@ pybigfile_mmap_setup_read(VMA *vma, BigFile *file0, blk_t blk, size_t blklen)
 static int
 pybigfile_remmap_blk_read(VMA *vma, BigFile *file0, blk_t blk)
 {
-    BUG();  // XXX
+    PyBigFile *file = container_of(file0, PyBigFile, file);
+    ASSERT(file->blkmmap_ops != NULL);
+    return file->blkmmap_ops->remmap_blk_read(vma, file0, blk);
 }
 
 static void
 pybigfile_munmap(VMA *vma, BigFile *file0)
 {
-    BUG();  // XXX
+    PyBigFile *file = container_of(file0, PyBigFile, file);
+    ASSERT(file->blkmmap_ops != NULL);
+    return file->blkmmap_ops->munmap(vma, file0);
 }