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
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master
Details
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http://git.postgresql.org/pg/commitdiff/5787c6730e7a848ef95d5c4194e27614ea8e6e41
Modified Files
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src/backend/access/transam/xlog.c | 27 ++++++++++++++++-----------
1 files changed, 16 insertions(+), 11 deletions(-)