Re: [PATCH 09/16] io_uring: add option to remove SQ indirection

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On 8/15/23 11:31 AM, Pavel Begunkov wrote:
> Not many aware, but io_uring submission queue has two levels. The first
> level usually appears as sq_array and stores indexes into the actual SQ.
> To my knowledge, no one has ever seriously used it, nor liburing exposes
> it to users.

liburing does indeed not expose it, fio does use it as it's using the
raw interface. But yeah, definitely not needed for most cases and I
think this change is fine direction wise.

Jens Axboe

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