Log Message:
-----------
Reorder code so that we don't have to hold a critical section while
reserving SLRU space for a new MultiXact. The original coding would have
treated out-of-disk-space as a PANIC condition, which is unnecessary.
Modified Files:
--------------
pgsql/src/backend/access/transam:
multixact.c (r1.10 -> r1.11)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/multixact.c.diff?r1=1.10&r2=1.11)