pgsql: Another fix to relmapper race condition.

From: Heikki Linnakangas <heikki(dot)linnakangas(at)iki(dot)fi>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Another fix to relmapper race condition.
Date: 2021-06-24 08:30:59
Message-ID: E1lwKlH-0000J4-IZ@gemulon.postgresql.org
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Another fix to relmapper race condition.

In previous commit, I missed that relmap_redo() was also not acquiring the
RelationMappingLock. Thanks to Thomas Munro for pointing that out.

Backpatch-through: 9.6, like previous commit.
Discussion: https://www.postgresql.org/message-id/CA%2BhUKGLev%3DPpOSaL3WRZgOvgk217et%2BbxeJcRr4eR-NttP1F6Q%40mail.gmail.com

Branch
------
REL_11_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/eb3bd243a24590ddd13d13c3ba8f0fa948903bbf

Modified Files
--------------
src/backend/utils/cache/relmapper.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

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