On Fri, 2008-10-31 at 15:05 +0000, Heikki Linnakangas wrote:
> Log Message:
> -----------
> Unite ReadBufferWithFork, ReadBufferWithStrategy, and ZeroOrReadBuffer
> functions into one ReadBufferExtended function, that takes the strategy
> and mode as argument. There's three modes, RBM_NORMAL which is the default
> used by plain ReadBuffer(), RBM_ZERO, which replaces ZeroOrReadBuffer, and
> a new mode RBM_ZERO_ON_ERROR, which allows callers to read corrupt pages
> without throwing an error. The FSM needs the new mode to recover from
> corrupt pages, which could happend if we crash after extending an FSM file,
> and the new page is "torn".
I thought you were adding the "read buffer only if in cache" option
also?
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support
