From patchwork Fri Apr 29 10:25:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Schoenebeck X-Patchwork-Id: 12831849 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 156EFC433EF for ; Fri, 29 Apr 2022 11:19:02 +0000 (UTC) Received: from localhost ([::1]:60620 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nkOeL-0001ZS-4i for qemu-devel@archiver.kernel.org; Fri, 29 Apr 2022 07:19:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37042) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <3102ca936f88bc1f79d2a325e5bc68f48f54e6e3@lizzy.crudebyte.com>) id 1nkO5v-0006C1-GZ; Fri, 29 Apr 2022 06:43:27 -0400 Received: from lizzy.crudebyte.com ([91.194.90.13]:40369) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <3102ca936f88bc1f79d2a325e5bc68f48f54e6e3@lizzy.crudebyte.com>) id 1nkO5t-00085s-Og; Fri, 29 Apr 2022 06:43:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=crudebyte.com; s=lizzy; h=Cc:To:Subject:Date:From:References:In-Reply-To: Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Content-ID: Content-Description; bh=eiUhLnvniCRFRmHg94IspHR8zuzxCuN7kmOFel0V+B0=; b=AkU9U /90Wojgjt5O9PU0B/rpRAizmh2VyD1L57Lg1+Qfk7Mt0oOKwMGzK2WzLe1rbE4X5MCNNn/yMVIF0V QXApDg5pSyO8DvW1g0+bf41NQmHpmrLfiLOrPv36kuRNp4c35HpblB9M7nMtz1qNe72VZJUckki7t u80x1VltdmMKJRCCwkFvZ2Yaxx2D8gry8b4JkY1bza73mryrBjyZWLO/yK1E5WfWCHrYzL3UJLO4Z 9SLc40jV4XD85UKbTiqeiR2nph6oCnjXEYeXz5JEuShyvaek6sC3FKBSKcTPjPdE3tvh060fcBNXO 9NF4xk08dTgigE3TW/MMhdncRuvLg==; Message-Id: <3102ca936f88bc1f79d2a325e5bc68f48f54e6e3.1651228000.git.qemu_oss@crudebyte.com> In-Reply-To: References: From: Christian Schoenebeck Date: Fri, 29 Apr 2022 12:25:05 +0200 Subject: [PATCH v5 1/6] 9pfs: fix qemu_mknodat(S_IFREG) on macOS To: qemu-devel@nongnu.org Cc: Will Cohen , Greg Kurz , Michael Roitzsch , Keno Fischer , Akihiko Odaki , qemu-stable@nongnu.org Received-SPF: none client-ip=91.194.90.13; envelope-from=3102ca936f88bc1f79d2a325e5bc68f48f54e6e3@lizzy.crudebyte.com; helo=lizzy.crudebyte.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" mknod() on macOS does not support creating regular files, so divert to openat_file() if S_IFREG is passed with mode argument. Furthermore, 'man 2 mknodat' on Linux says: "Zero file type is equivalent to type S_IFREG". Link: https://lore.kernel.org/qemu-devel/17933734.zYzKuhC07K@silver/ Signed-off-by: Christian Schoenebeck Reviewed-by: Will Cohen Reviewed-by: Greg Kurz --- hw/9pfs/9p-util-darwin.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/hw/9pfs/9p-util-darwin.c b/hw/9pfs/9p-util-darwin.c index bec0253474..e24d09763a 100644 --- a/hw/9pfs/9p-util-darwin.c +++ b/hw/9pfs/9p-util-darwin.c @@ -77,6 +77,15 @@ int fsetxattrat_nofollow(int dirfd, const char *filename, const char *name, int qemu_mknodat(int dirfd, const char *filename, mode_t mode, dev_t dev) { int preserved_errno, err; + + if (S_ISREG(mode) || !(mode & S_IFMT)) { + int fd = openat_file(dirfd, filename, O_CREAT, mode); + if (fd == -1) { + return fd; + } + close(fd); + return 0; + } if (!pthread_fchdir_np) { error_report_once("pthread_fchdir_np() not available on this version of macOS"); return -ENOTSUP;