On Sun, Apr 17, 2016 at 12:01 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote: > Andres Freund <andres@anarazel.de> writes: >> Allow Pin/UnpinBuffer to operate in a lockfree manner. > > Now that I've had some occasion to look around in bufmgr.c, I am very > unhappy that there are still boatloads of comments talking about a buffer > header's spinlock, when there is in fact no spinlock anymore. Please > expend some effort on making this less confusing for the next hacker. > Maybe make those comments talk about a "lock bit" instead?
I was actually going to complain about this, too. I noticed it over the weekend when noodling around with another patch. I'm not sure exactly how it should be revised, but I find the current state of things confusing.
+1
Do we have consensus on renaming "buffer header spinlock" to "buffer header lock bit"?