linux-kernel - Re: [PATCH v4 1/3] io_uring: Create a helper to return the SQE size

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Message-ID: <ZFPDoI8fw0W0A/ZC@ovpn-8-16.pek2.redhat.com>
Date:   Thu, 4 May 2023 22:39:28 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     Breno Leitao <leitao@...ian.org>
Cc:     io-uring@...r.kernel.org, linux-nvme@...ts.infradead.org,
        asml.silence@...il.com, hch@....de, axboe@...nel.dk, leit@...com,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        sagi@...mberg.me, joshi.k@...sung.com, kbusch@...nel.org
Subject: Re: [PATCH v4 1/3] io_uring: Create a helper to return the SQE size

On Thu, May 04, 2023 at 05:18:54AM -0700, Breno Leitao wrote:
> Create a simple helper that returns the size of the SQE. The SQE could
> have two size, depending of the flags.
> 
> If IO_URING_SETUP_SQE128 flag is set, then return a double SQE,
> otherwise returns the sizeof of io_uring_sqe (64 bytes).
> 
> Signed-off-by: Breno Leitao <leitao@...ian.org>
> Reviewed-by: Christoph Hellwig <hch@....de>

Reviewed-by: Ming Lei <ming.lei@...hat.com>


Thanks,
Ming