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pgsql: Back-patch 8.2 fix that complains if trying to extend a relation

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Back-patch 8.2 fix that complains if trying to extend a relation
Date: 2007-06-18 01:14:08
Message-ID: 20070618011408.3B11A9FB365@postgresql.org (view raw or flat)
Thread:
Lists: pgsql-committers
Log Message:
-----------
Back-patch 8.2 fix that complains if trying to extend a relation encounters
a buffer containing a non-zeroed page.  This seems appropriate now that the
8.2 fix has been seen to save at least one user from data loss due to a
buggy kernel (per report from Jaime Silvela 7-May-07).  I'd go further
back than 8.1, except that the 8.0-to-8.1 bufmgr changes are large
enough that the patch doesn't work immediately; I'm hesitant to make a
change without more extensive analysis than I have time for now.

Tags:
----
REL8_1_STABLE

Modified Files:
--------------
    pgsql/src/backend/storage/buffer:
        bufmgr.c (r1.198.2.3 -> r1.198.2.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/buffer/bufmgr.c.diff?r1=1.198.2.3&r2=1.198.2.4)

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