Fujii Masao <masao.fu...@gmail.com> writes:
> In HEAD, OwnLatch can elog during holding the spinlock WalSnd->mutex.
> This seems to be unsafe

Even if it were safe, holding a spinlock through non-straight-line code
is a complete violation of the spinlock coding rules re the length of
time you're supposed to hold the lock.  Heikki?

                        regards, tom lane

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