On Tue, 18 Oct 2022 20:50:54 +0100, Pavel Begunkov wrote:
> This series implements bio pcpu caching for normal / IRQ-driven I/O
> extending REQ_ALLOC_CACHE currently limited to iopoll. The allocation side
> still only works from non-irq context, which is the reason it's not enabled
> by default, but turning it on for other users (e.g. filesystems) is
> as a matter of passing a flag.
>
> t/io_uring with an Optane SSD setup showed +7% for batches of 32 requests
> and +4.3% for batches of 8.
>
> [...]
Applied, thanks!
[1/4] bio: safeguard REQ_ALLOC_CACHE bio put
commit: d4347d50407daea6237872281ece64c4bdf1ec99
Best regards,
--
Jens Axboe
