Re: Buffer Cache Problem

2023年11月10日 22:31，jacktby jacktby <jacktby@gmail.com> 写道：

In the bus_internal.h,I see

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 Note: Buffer header lock (BM_LOCKED flag) must be held to examine or change  tag, state or wait_backend_pgprocno fields.

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As we all know, this buffer header lock is implemented by a bit in state filed, and this state field is a atomic_u32 type, so in fact we don’t need to 

hold buffer lock when we update state, this comment has error，right?