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

[Damien Le Moal]

On 3/28/24 15:52, Christoph Hellwig wrote:
> 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.

OK. Putting it back then.

-- 
Damien Le Moal
Western Digital Research