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 X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BABDEC43460 for ; Tue, 27 Apr 2021 15:14:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9C1FB613E7 for ; Tue, 27 Apr 2021 15:14:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235466AbhD0POw (ORCPT ); Tue, 27 Apr 2021 11:14:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237178AbhD0POw (ORCPT ); Tue, 27 Apr 2021 11:14:52 -0400 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2992C061574 for ; Tue, 27 Apr 2021 08:14:07 -0700 (PDT) Received: by mail-wr1-x436.google.com with SMTP id j5so58897070wrn.4 for ; Tue, 27 Apr 2021 08:14:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=V6e3mgZHmNheg44eZDqS3FOa/hRYCV0y7GrKY0E5Yhw=; b=bxAkxPS+Sgxzh3eGhd+jo+YH/7wdReWdRCLgspO17zGoZ/YZE+fBgB6dEuYFvxkVqT gkR/CLFbT7yUwN9bhHq52HEvHCzl8yHFlRCmI6WuCEKjuGDwJxJ7WUBo2xPNXgobDJay wMspqQksad251uBdqZsnYUeg4AcQL8gE+ucXcuioBQWGu9KzelPVTW6TeeTHJ3DmpKOC eH5X+yjrYSrc4R6bt/Lif20fumW4l5KO+42zJpwrOoY6FV2RMvzBETjcITbeVSsfW2LA eWEJIx9pEh7KMnyDqjCWo6DlkNrn+6yeRTcWoWn/yybTYj6dmLmUrAxcu3QDZAojgq+v z/eQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=V6e3mgZHmNheg44eZDqS3FOa/hRYCV0y7GrKY0E5Yhw=; b=QtyqROptbNOuEQVM9GXvOP3wcEr3MxvZlN54KuQk66cVFbCrgHpV6hZMuMKzYn5jjm Qe3vHNGcPHMRK8fA42UJR/91hJT6UqBhiYGk9INbCrkK7pWYMHZlSXr9iUbJ8dqbp8zl n/iXnRfQlisTH0CWiWREdQB97TOjg0oZxtdPsapjJL/5ckBsQrkFjb+U+gvX027/CtBJ fjGHEaMsXl5cYvQUIaFXMvV5cz/bVcyMw6qI5odGTDtTORNUSjDOdnjwF6RBuPXPba6J TUXrh76L1GeAKXcLpjMi1RMVBojakZZ0XLkLmQaZkSpubZsduIs6aQ7fIrBpAGoEQ6T0 rstw== X-Gm-Message-State: AOAM530WKLMM26vV0bS2H1fzNxlO7q+GGX8PlTY63fkfChfLHme0Y8L8 DXSswIY/ywdzJF48v19UOi2z/thhHlM= X-Google-Smtp-Source: ABdhPJyfCkX4Q9A2bFEipVbK2kMvVGRSDYmNiETUCU9AwJSFOqFeOBx48IyPDsAaNrEg1X1cqSvXxg== X-Received: by 2002:a05:6000:1aca:: with SMTP id i10mr30039266wry.194.1619536446506; Tue, 27 Apr 2021 08:14:06 -0700 (PDT) Received: from localhost.localdomain ([148.252.129.131]) by smtp.gmail.com with ESMTPSA id i2sm1629630wro.0.2021.04.27.08.14.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Apr 2021 08:14:06 -0700 (PDT) From: Pavel Begunkov To: Jens Axboe , io-uring@vger.kernel.org Subject: [PATCH 3/3] io_uring: add more build check for uapi Date: Tue, 27 Apr 2021 16:13:53 +0100 Message-Id: X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Add a couple of BUILD_BUG_ON() checking some rsrc uapi structs and SQE flags. Signed-off-by: Pavel Begunkov --- fs/io_uring.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/io_uring.c b/fs/io_uring.c index 3419548ccaf5..a48b88b3e289 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -10131,6 +10131,13 @@ static int __init io_uring_init(void) BUILD_BUG_SQE_ELEM(42, __u16, personality); BUILD_BUG_SQE_ELEM(44, __s32, splice_fd_in); + BUILD_BUG_ON(sizeof(struct io_uring_files_update) != + sizeof(struct io_uring_rsrc_update)); + BUILD_BUG_ON(sizeof(struct io_uring_rsrc_update) > + sizeof(struct io_uring_rsrc_update2)); + /* should fit into one byte */ + BUILD_BUG_ON(SQE_VALID_FLAGS >= (1 << 8)); + BUILD_BUG_ON(ARRAY_SIZE(io_op_defs) != IORING_OP_LAST); BUILD_BUG_ON(__REQ_F_LAST_BIT >= 8 * sizeof(int)); req_cachep = KMEM_CACHE(io_kiocb, SLAB_HWCACHE_ALIGN | SLAB_PANIC | -- 2.31.1