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help / color / mirror / Atom feedFrom: Nathan Bossart <nathan@postgresql.org>
To: pgsql-committers@lists.postgresql.org
Subject: pgsql: Convert FastPathStrongRelationLocks to atomics.
Date: Fri, 04 Sep 2026 18:03:45 +0000
Message-ID: <E1x2YGO-00000003TyJ-2aIX@gemulon.postgresql.org> (raw)
Convert FastPathStrongRelationLocks to atomics.
Currently, the lock counts are unsigned integers protected by a
spinlock. By converting them to atomic variables, we can remove
the spinlock and the FastPathStrongRelationLockData wrapper struct.
Reviewed-by: Zsolt Parragi <zsolt.parragi@percona.com>
Tested-by: solai v <solai.cdac@gmail.com>
Discussion: https://postgr.es/m/alAJeRRzehDjLaF1%40nathan
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/74c77052bc20017076100f0649ca0f44b1b98c29
Modified Files
--------------
src/backend/storage/lmgr/lock.c | 57 ++++++++++++----------------------------
src/tools/pgindent/typedefs.list | 1 -
2 files changed, 17 insertions(+), 41 deletions(-)
Message-ID: <E1x2YGO-00000003TyJ-2aIX@gemulon.postgresql.org>
Permalink: ../E1x2YGO-00000003TyJ-2aIX@gemulon.postgresql.org/
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To: pgsql-committers@postgresql.org
Cc: nathan@postgresql.org, pgsql-committers@lists.postgresql.org
Subject: Re: pgsql: Convert FastPathStrongRelationLocks to atomics.
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