rebase v4. Early v2/v3 only fixed the page-cross judgment condition, but still retained duplicated EndPos calculation logic. v4 refactors ReserveXLogSwitch to compute standard EndPos once and reuse it, eliminating redundant code fundamentally.
All behavior remains identical to v2/v3 after fix; v4 just unifies the
calculation
point without changing runtime logic.
ZizhuanLiu X-MAN
[email protected]
v4-0001-Keep-the-return-value-of-XLogInsertRecord-for-XLO.patch
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