From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95B85C433EF for ; Tue, 28 Jun 2022 15:13:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347189AbiF1PM2 (ORCPT ); Tue, 28 Jun 2022 11:12:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236816AbiF1PM0 (ORCPT ); Tue, 28 Jun 2022 11:12:26 -0400 Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CA1E2B241 for ; Tue, 28 Jun 2022 08:12:25 -0700 (PDT) Received: by mail-io1-xd2d.google.com with SMTP id a10so13151118ioe.9 for ; Tue, 28 Jun 2022 08:12:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=zgi/7+6eFIGPqLxDNnNayXAaz/C0VCUdgOz60BwoFKs=; b=0r1VeEQo5BOUs0Y42+eaSNEbybS3y2cKZGt3LzIE9MLH4xZ/pOk29uczR2mRzckFIn rc5nrZcBH+dnh4TVbyQ212cs09osFIzsQmM7kSYnsm97i4d5JVf6L8SUk8IWVPWhF8At cXp+CKy41AvPwvrdRD8jafW7bvmWdn5t5Yh0gSxP83Ln11Me+tpUp1XjPXE2J5+aAQ6O ijPERjNTZ7ephOs3pQGJ/LjMVrsNZ2UMbSv/ifvdPzslYdSq9Sr5AlHk5PcHfNK26DBX I9s2BV8oa0H0u6yTyLerp/Ka0uT3rKqimNKG90S8I5Wlo1LS5RhynQeZUkYFp2F+waTX 7zpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=zgi/7+6eFIGPqLxDNnNayXAaz/C0VCUdgOz60BwoFKs=; b=jGef/GUNtEXEJNq0ztcs2iopH3kTIB0swCf7qZmBOj6J7Rwpc9i4MXzoqV/wfcu97k Xlz6197kKHW9pe+hALbhjqs9MwZqQNx4wYchdE52JlmhWiHFc6IIl3DG/H1pBmAnq4ro Htu/lMGSty6ancXzCtftcuQkoBJCgbku2jcjK+qf5M4KpReaFA1/QWcU++xm9dIjcvuo RDHeXuEtx1bmeAwDDpraPH6Arb41OYbD0QEtebjZHkoHyZNq47tTQFl2gz27wpvEelJh ZFcuji3ayY75qUItGBiLWzvIYeY2OGUV4zz5Qu9oGbYEMMbBOcFJoqvCjRRBpmD5sBOm fD0Q== X-Gm-Message-State: AJIora+RaVVyqWa/8ImWtvsK/6VsrxiPyzLhQ0bwo8+5EjeX1D+N8UWX cM9zd2gk5qU5Sz6bGcwpVNhTwqC+wXfoKA== X-Google-Smtp-Source: AGRyM1sVN+VpZN9Z56m7ywKdMJuC8hcC2TskLsnRvqym9GlzU3JPaYJkHd+rbii+2PEEHQ3OFDPW6g== X-Received: by 2002:a05:6638:42c9:b0:33c:1243:282c with SMTP id bm9-20020a05663842c900b0033c1243282cmr9789767jab.290.1656429144868; Tue, 28 Jun 2022 08:12:24 -0700 (PDT) Received: from [192.168.1.172] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id q18-20020a02cf12000000b0033c829dd5b8sm4116937jar.161.2022.06.28.08.12.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 28 Jun 2022 08:12:24 -0700 (PDT) Message-ID: Date: Tue, 28 Jun 2022 09:12:21 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH for-next 2/8] io_uring: restore bgid in io_put_kbuf Content-Language: en-US To: Dylan Yudaken , Pavel Begunkov , io-uring@vger.kernel.org Cc: Kernel-team@fb.com, linux-kernel@vger.kernel.org References: <20220628150228.1379645-1-dylany@fb.com> <20220628150228.1379645-3-dylany@fb.com> From: Jens Axboe In-Reply-To: <20220628150228.1379645-3-dylany@fb.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 6/28/22 9:02 AM, Dylan Yudaken wrote: > Attempt to restore bgid. This is needed when recycling unused buffers as > the next time around it will want the correct bgid. > > Signed-off-by: Dylan Yudaken > --- > io_uring/kbuf.h | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h > index 3d48f1ab5439..c64f02ea1c30 100644 > --- a/io_uring/kbuf.h > +++ b/io_uring/kbuf.h > @@ -96,16 +96,20 @@ static inline void io_kbuf_recycle(struct io_kiocb *req, unsigned issue_flags) > static inline unsigned int __io_put_kbuf_list(struct io_kiocb *req, > struct list_head *list) > { > + unsigned int ret = IORING_CQE_F_BUFFER | (req->buf_index << IORING_CQE_BUFFER_SHIFT); > if (req->flags & REQ_F_BUFFER_RING) { Should have a newline here after the 'ret' variable declaration. -- Jens Axboe