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db::hints:: optimize with_file_update_mutex()

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Avoid extra shared_ptr copy.

Signed-off-by: Vlad Zolotarov <vladz@scylladb.com>
Reviewed-by: Benny Halevy <bhalevy@scylladb.com>
Message-Id: <20200311214313.2988-1-vladz@scylladb.com>
This commit is contained in:
Vlad Zolotarov
2020-03-11 17:43:13 -04:00
committed by Pekka Enberg
parent 71ac6ebcc5
commit b83e84b467
1 changed files with 1 additions and 2 deletions
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3
db/hints/manager.hh
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@@ -391,8 +391,7 @@ public:
/// \return Whatever \ref func returns.
template <typename Func>
friend inline auto with_file_update_mutex(end_point_hints_manager& ep_man, Func&& func) {
lw_shared_ptr<seastar::shared_mutex> lock_ptr = ep_man._file_update_mutex_ptr;
return with_lock(*lock_ptr, std::forward<Func>(func)).finally([lock_ptr] {});
return with_lock(*ep_man._file_update_mutex_ptr, std::forward<Func>(func)).finally([lock_ptr = ep_man._file_update_mutex_ptr] {});
}
const fs::path& hints_dir() const noexcept {