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    Subject[PATCH v3 10/33] radix tree test suite: Handle exceptional entries
    Date
    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(+)

    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;

    --
    2.10.2
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