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AJvYcCVFMLJgXMlo5W5IcCjn5hKyZRX2MHfPzM3wCaOwBkx3zzGWoF+tJCWMDbORoxRPWIBDWgBwX4ko9BQFdI6Xs/9pUw7ZpJYQq6BSFb2Pd889PyE/HBoTMCfMgZ3KmUc3iLHBK4xcwr10wv4ex9Cq5uFZC2sBtzuOHy1UlO5jksj9NATpgaGBXLxDKw== X-Gm-Message-State: AOJu0YxUU6xI5qoPgpZXFBmarP3Zy4dhHtVJpMqALRzasKIzDyYvnVsC F42GEXHeP5tk9v5JnocTMgBL8K0MyggQ5wLKL0WtYS0OVQtiF/GhyA3PVL6GEHz3Rfke8QePH1c gxTSN9vS9G2joXCkt8pdR691ctLk= X-Received: by 2002:a17:90b:290:b0:29b:9e72:8ade with SMTP id az16-20020a17090b029000b0029b9e728ademr2608700pjb.13.1710442561101; Thu, 14 Mar 2024 11:56:01 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240313110515.70088-1-nmi@metaspace.dk> <20240313110515.70088-2-nmi@metaspace.dk> <87il1ptck0.fsf@metaspace.dk> In-Reply-To: <87il1ptck0.fsf@metaspace.dk> From: Miguel Ojeda Date: Thu, 14 Mar 2024 19:55:49 +0100 Message-ID: Subject: Re: [RFC PATCH 1/5] rust: block: introduce `kernel::block::mq` module To: Andreas Hindborg Cc: Boqun Feng , Jens Axboe , Christoph Hellwig , Keith Busch , Damien Le Moal , Bart Van Assche , Hannes Reinecke , "linux-block@vger.kernel.org" , Andreas Hindborg , Wedson Almeida Filho , Niklas Cassel , Greg KH , Matthew Wilcox , Miguel Ojeda , Alex Gaynor , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Alice Ryhl , Chaitanya Kulkarni , Luis Chamberlain , Yexuan Yang <1182282462@bupt.edu.cn>, =?UTF-8?Q?Sergio_Gonz=C3=A1lez_Collado?= , Joel Granados , "Pankaj Raghav (Samsung)" , Daniel Gomez , open list , "rust-for-linux@vger.kernel.org" , "lsf-pc@lists.linux-foundation.org" , "gost.dev@samsung.com" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, Mar 14, 2024 at 9:58=E2=80=AFAM Andreas Hindborg = wrote: > > Yes, good point. Another option suggested by Miguel is that > `__blk_mq_free_request` need not be exported at all. We can make it > non-static and then call it from > `rust_helper_blk_mq_free_request_internal()`. Then only the latter will > be in the kernel image symbol table, which might be better in terms of > not exposing `__blk_mq_free_request()` directly. The helper is not needed, i.e. what I meant was to make it non-static and add it to `include/linux/blk-mq.h`. Cheers, Miguel