Tom Lane wrote:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
> > A buffer's io_in_progress lock protects the buffer's CRC.
>
> Unfortunately, it doesn't. See hint bits.
Hmm, so it seems we need to keep held of the bufferhead's spinlock while
calculating the checksum, just after resetting BM_JUST_DIRTIED. Yuck.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
