Log Message:
-----------
Bgwriter should PANIC if it runs out of memory for pending-fsyncs
hash table. This is a pretty unlikely scenario, since the table
should be tiny, but we can't guarantee continued correct operation
if it does occur. Spotted by Qingqing Zhou.
Modified Files:
--------------
pgsql/src/backend/postmaster:
bgwriter.c (r1.15 -> r1.16)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/bgwriter.c.diff?r1=1.15&r2=1.16)