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[v3,10/33] radix tree test suite: Handle exceptional entries

Message ID 1480369871-5271-45-git-send-email-mawilcox@linuxonhyperv.com (mailing list archive)
State New, archived
Headers show

Commit Message

Matthew Wilcox Nov. 28, 2016, 9:50 p.m. UTC 
From: Matthew Wilcox <mawilcox@microsoft.com>

item_kill_tree() assumes that everything in the tree is a pointer to a
struct item, which is annoying when testing the behaviour of exceptional
entries.  Fix it to delete exceptional entries on the assumption they
don't need to be freed.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
---
 tools/testing/radix-tree/test.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/tools/testing/radix-tree/test.c b/tools/testing/radix-tree/test.c
index a6e8099..6f8dafc 100644
--- a/tools/testing/radix-tree/test.c
+++ b/tools/testing/radix-tree/test.c
@@ -200,9 +200,16 @@  void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag)
 
 void item_kill_tree(struct radix_tree_root *root)
 {
+	struct radix_tree_iter iter;
+	void **slot;
 	struct item *items[32];
 	int nfound;
 
+	radix_tree_for_each_slot(slot, root, &iter, 0) {
+		if (radix_tree_exceptional_entry(*slot))
+			radix_tree_delete(root, iter.index);
+	}
+
 	while ((nfound = radix_tree_gang_lookup(root, (void **)items, 0, 32))) {
 		int i;