pgsql: Skip extraneous locking in XLogCheckBuffer(). - Mailing list pgsql-committers

From Simon Riggs
Subject pgsql: Skip extraneous locking in XLogCheckBuffer().
Date
Msg-id E1UP7Dv-0005Y0-SQ@gemulon.postgresql.org
Whole thread Raw
List pgsql-committers
Skip extraneous locking in XLogCheckBuffer().
Heikki reported comment was wrong, so fixed
code to match the comment: we only need to
take additional locking precautions when we
have a shared lock on the buffer.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/5787c6730e7a848ef95d5c4194e27614ea8e6e41

Modified Files
--------------
src/backend/access/transam/xlog.c |   27 ++++++++++++++++-----------
1 files changed, 16 insertions(+), 11 deletions(-)


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