Commit 48354581a49c30f5757c203415aa8412d85b0f70 (Allow Pin/UnpinBuffer
to operate in a lockfree manner) removed the code in PinBuffer that
conditionally incremented usage_count when a ring buffer was in use. Was
that intentional? ISTM the old behavior should have been retained.
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Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
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