ocfs2_remove_extent
ret = ocfs2_remove_extent(handle, et, cpos, len, meta_ac, dealloc);
int ocfs2_remove_extent(handle_t *handle, struct ocfs2_extent_tree *et,
TRACE_EVENT(ocfs2_remove_extent,
ret = ocfs2_remove_extent(handle, &et, le32_to_cpu(rb->rf_cpos),
ret = ocfs2_remove_extent(handle, &et, cpos, len, meta_ac,
ret = ocfs2_remove_extent(handle, &et, cpos, len, ctxt->meta_ac,