westonpace commented on a change in pull request #9842:
URL: https://github.com/apache/arrow/pull/9842#discussion_r608204382
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File path: cpp/src/arrow/filesystem/s3fs.cc
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@@ -1142,82 +1145,67 @@ struct TreeWalker : public
std::enable_shared_from_this<TreeWalker> {
recursion_handler_(std::move(recursion_handler)) {}
private:
- std::mutex mutex_;
- Future<> future_;
- std::atomic<int32_t> num_in_flight_;
+ std::shared_ptr<TaskGroup> task_group_;
+ util::Mutex mutex_;
Review comment:
Nope. For some reason I thought the old implementation was using it.
I've switched it back to std::mutex.
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