Re: [PATCH v3 09/30] block: Pre-allocate zone write plugs

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On Thu, Mar 28, 2024 at 03:51:09PM +0900, Damien Le Moal wrote:
> I am all for not micro-optimizing the free path right now.
> I am not so sure about the mempool being simpler... And I do see some
> improvements in perf for SMR HDDs with the free list. Could be noise though but
> it feels a little more solid perf-wise. I have not seen any benefit for faster
> devices with the free list though...
> 
> If you prefer the mempool, I can go back to using it though, not a big deal.

A capped free list + dynamic allocation beyond it is exactly what the
mempool is, so reimplementing seems a bit silly.




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