Helper radix_tree_iter_next reset slot to NULL and next_index to index + 1,
for tagger iteraction it also must reset cached tags in iterator to abort
next radix_tree_next_slot and go to slow-path into radix_tree_next_chunk.
Signed-off-by: Konstantin Khlebnikov <koct9i@xxxxxxxxx>
---
include/linux/radix-tree.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index a59f940a54f5..51a97ac8bfbf 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -414,6 +414,7 @@ static inline __must_check
void **radix_tree_iter_next(struct radix_tree_iter *iter)
{
iter->next_index = iter->index + 1;
+ iter->tags = 0;
return NULL;
}
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