Remove header lock BufferGetLSNAtomic() on architectures with 64 bit atomic operations

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ID 6334
Title Remove header lock BufferGetLSNAtomic() on architectures with 64 bit atomic operations
CI (CFBot) Needs rebase! Needs rebase since 3 weeks. Failing since 3 weeks.
Additional links previous successfully applied patch (outdated):
Summary
Stats (from CFBot) Unknown
Tags Performance
Created 2025-12-22 19:45:39
Last modified 2026-04-01 00:21:18 (1 hour ago)
Latest email 2026-03-11 13:37:19 (2 weeks ago)
Status
PG20-1 (2026-07-01 – 2026-07-31): Committed
PG19-Final (2026-03-01 – 2026-03-31): Moved to different CF
PG19-4 (2026-01-01 – 2026-01-31): Moved to different CF
Target version 19
Authors Andreas Karlsson (kandreas)
Reviewers Become reviewer
Committer Tomas Vondra (fuzzycz)
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Emails
Remove header lock BufferGetLSNAtomic() on architectures with 64 bit atomic operations
First at 2025-11-23 23:10:03 by Andreas Karlsson <andreas at proxel.se>
Latest at 2026-03-11 13:37:19 by Andres Freund <andres at anarazel.de>
Latest attachment (v5-0001-Do-not-lock-in-BufferGetLSNAtomic-on-archs-with-8.patch) at 2026-03-11 00:00:34 from Tomas Vondra <tomas at vondra.me>
    Attachment (v5-0001-Do-not-lock-in-BufferGetLSNAtomic-on-archs-with-8.patch) at 2026-03-11 00:00:34 from Tomas Vondra <tomas at vondra.me> (Patch: Yes)
    Attachment (v4-0001-Do-not-lock-in-BufferGetLSNAtomic-on-archs-with-8.patch) at 2026-03-10 18:41:54 from Tomas Vondra <tomas at vondra.me> (Patch: Yes)
    Attachment (v3-0002-Make-pageinspect-s-heap_page_items-use-get_page_f.patch) at 2026-02-05 15:38:27 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (v2-0001-Do-not-lock-in-BufferGetLSNAtomic-on-archs-with-8.patch) at 2026-01-14 06:31:40 from Andreas Karlsson <andreas at proxel.se> (Patch: Yes)
    Attachment (v1-0001-Do-not-lock-in-BufferGetLSNAtomic-on-archs-with-8.patch) at 2025-11-23 23:10:03 from Andreas Karlsson <andreas at proxel.se> (Patch: Yes)
History
When Who What
2026-04-01 00:21:18 Andreas Karlsson (kandreas) Closed in commitfest PG20-1 with status: Committed
2026-04-01 00:21:18 Andreas Karlsson (kandreas) Changed committer to fuzzycz
2026-04-01 00:00:08 CFbot Moved from CF PG19-Final to CF PG20-1
2026-03-11 00:37:24 CFbot Patch needs rebase
2026-02-05 16:29:24 Peter Geoghegan (pgeoghegan) Moved from CF PG19-4 to CF PG19-Final
2025-12-22 19:45:39 Andreas Karlsson (kandreas) Attached mail thread b6610c3b-3f59-465a-bdbb-8e9259f0abc4@proxel.se
2025-12-22 19:45:39 Andreas Karlsson (kandreas) Created patch record
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