Thread: pgsql: Clarify operation of online checkpoints.

Clarify operation of online checkpoints.
Previous comments left, but were too obscure
for such an important aspect of the system.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/9f98704b8229f75fb6ec6e379c23cfea51a8f1e4

Modified Files
--------------
src/backend/access/transam/xlog.c |   12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)