Thread: pgsql: Add a GUC to report whether data page checksums are enabled.

Add a GUC to report whether data page checksums are enabled.

Backported from master. It was an oversight in the original data checksums
patch to not have a GUC like this.

Branch
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REL9_3_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/5a7e75849cb595943fc605c4532716e9dd69f8a0

Modified Files
--------------
doc/src/sgml/config.sgml          |   13 +++++++++++++
src/backend/access/transam/xlog.c |    4 ++++
src/backend/utils/misc/guc.c      |   12 ++++++++++++
3 files changed, 29 insertions(+)