During xas_create_range(), it will go up the tree for next create. Currently, during moving up the tree, the xa_offset is adjusted every thime. This is not necessary. Only the offset for the last one matters. Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx> --- lib/xarray.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/xarray.c b/lib/xarray.c index 01f64a000e14..9546b2b2dce1 100644 --- a/lib/xarray.c +++ b/lib/xarray.c @@ -712,9 +712,10 @@ void xas_create_range(struct xa_state *xas) for (;;) { struct xa_node *node = xas->xa_node; xas->xa_node = xa_parent_locked(xas->xa, node); - xas->xa_offset = node->offset - 1; - if (node->offset != 0) + if (node->offset != 0) { + xas->xa_offset = node->offset - 1; break; + } } } -- 2.23.0