From patchwork Thu Apr 21 15:07:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Schoenebeck X-Patchwork-Id: 12821938 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 172A4C433EF for ; Thu, 21 Apr 2022 16:22:07 +0000 (UTC) Received: from localhost ([::1]:38000 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nhZZG-0003Lw-1R for qemu-devel@archiver.kernel.org; Thu, 21 Apr 2022 12:22:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46674) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nhYke-0005QL-HF; Thu, 21 Apr 2022 11:29:48 -0400 Received: from lizzy.crudebyte.com ([91.194.90.13]:45983) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nhYkd-00085I-0W; Thu, 21 Apr 2022 11:29:48 -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=i1s3pDRReJ2UZw4btxRqKNOViqSDmvLIJLquxAR8qzc=; b=b/n9P qsTmcTOpF7edkAJMGxwGfuOtgBgADURvppKATBs54BpchQ/je60ew2Oz/EWtzPWiLsQLPRuuR8smz UKTxC80PCzRDXG7VMw/tlzKwzS209kR9Qt2ZZlHKYhq5JmTVa/SB8+hCsVyZEgEMkrjKfP9i0/81v 8XjSLsZpV1OLzc7xIFcw8A3mD20q5fUSsu3RIRbYjY/nxxe5v4uadcjr0WKl1khJCLn8cCiWnyB0c mDqeXkcssp4r1Ak5f40gvUrYrXepYCysKI1LVx8rEicqnCC4Au5vyJeh66E2K7BLbEsyS+OfAMv1Y k071NBh57dOKYiFlVX3tzfGEOQ8ZQ==; Message-Id: In-Reply-To: References: From: Christian Schoenebeck Date: Thu, 21 Apr 2022 17:07:38 +0200 Subject: [PATCH v2 1/5] 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=a4825b66184778ca0337cd5e24dec3fc9da16de6@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;