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-rw-r--r--lib/test_xarray.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/test_xarray.c b/lib/test_xarray.c
index 0f06a93b4d0e..aa47754150ce 100644
--- a/lib/test_xarray.c
+++ b/lib/test_xarray.c
@@ -1039,6 +1039,39 @@ static noinline void check_create_range(struct xarray *xa)
check_create_range_3();
}
+static noinline void __check_store_range(struct xarray *xa, unsigned long first,
+ unsigned long last)
+{
+#ifdef CONFIG_XARRAY_MULTI
+ xa_store_range(xa, first, last, xa_mk_value(first), GFP_KERNEL);
+
+ XA_BUG_ON(xa, xa_load(xa, first) != xa_mk_value(first));
+ XA_BUG_ON(xa, xa_load(xa, last) != xa_mk_value(first));
+ XA_BUG_ON(xa, xa_load(xa, first - 1) != NULL);
+ XA_BUG_ON(xa, xa_load(xa, last + 1) != NULL);
+
+ xa_store_range(xa, first, last, NULL, GFP_KERNEL);
+#endif
+
+ XA_BUG_ON(xa, !xa_empty(xa));
+}
+
+static noinline void check_store_range(struct xarray *xa)
+{
+ unsigned long i, j;
+
+ for (i = 0; i < 128; i++) {
+ for (j = i; j < 128; j++) {
+ __check_store_range(xa, i, j);
+ __check_store_range(xa, 128 + i, 128 + j);
+ __check_store_range(xa, 4095 + i, 4095 + j);
+ __check_store_range(xa, 4096 + i, 4096 + j);
+ __check_store_range(xa, 123456 + i, 123456 + j);
+ __check_store_range(xa, UINT_MAX + i, UINT_MAX + j);
+ }
+ }
+}
+
static LIST_HEAD(shadow_nodes);
static void test_update_node(struct xa_node *node)
@@ -1184,6 +1217,7 @@ static int xarray_checks(void)
check_destroy(&array);
check_move(&array);
check_create_range(&array);
+ check_store_range(&array);
check_store_iter(&array);
check_workingset(&array, 0);