pgsql: Properly access a buffer's LSN using existing access macros

From: alvherre(at)postgresql(dot)org (Alvaro Herrera)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Properly access a buffer's LSN using existing access macros
Date: 2008-10-20 21:11:15
Message-ID: 20081020211115.2DEAE7545A4@cvs.postgresql.org
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Log Message:
-----------
Properly access a buffer's LSN using existing access macros instead of abusing
knowledge of page layout.

Stolen from Jonah Harris' CRC patch

Modified Files:
--------------
pgsql/src/backend/storage/buffer:
bufmgr.c (r1.238 -> r1.239)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/buffer/bufmgr.c?r1=1.238&r2=1.239)

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