From nobody Mon Feb 9 21:21:35 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1632513121458892.5284504899785; Fri, 24 Sep 2021 12:52:01 -0700 (PDT) Received: from localhost ([::1]:51874 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTrEm-0006wH-D1 for importer@patchew.org; Fri, 24 Sep 2021 15:52:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47422) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTrCe-0004AI-Lv for qemu-devel@nongnu.org; Fri, 24 Sep 2021 15:49:48 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:50669) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTrCR-0004F7-KX for qemu-devel@nongnu.org; Fri, 24 Sep 2021 15:49:48 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-400-jxeJO__vPTu26QFpNpT3tw-1; Fri, 24 Sep 2021 15:49:33 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 37CBFABFEF; Fri, 24 Sep 2021 19:49:07 +0000 (UTC) Received: from horse.redhat.com (unknown [10.22.32.185]) by smtp.corp.redhat.com (Postfix) with ESMTP id BABB66B909; Fri, 24 Sep 2021 19:49:06 +0000 (UTC) Received: by horse.redhat.com (Postfix, from userid 10451) id 5D2CD228282; Fri, 24 Sep 2021 15:49:06 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1632512974; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AbU3zBpkTZISMheH/ABBF4b9YCeJ+lPJimNymFsSkZM=; b=Z5ECXaRTpcqROYQzmFg9dZCiILGdgBoDLYEeLUesoemMfGLUSbnepL/1/QdSFtPOFSPA4Q AwtymzSmnl0QIAcQaUQxjg+9kgUpHG4N5I0gQqDMeitQ/vzMOE8pYqBmHMzRjT60VXatzm FO1OmaoHkca1hnhu3Rh/TlJZW0Oxy+w= X-MC-Unique: jxeJO__vPTu26QFpNpT3tw-1 From: Vivek Goyal To: qemu-devel@nongnu.org, virtio-fs@redhat.com Subject: [PATCH 3/5] virtiofsd: Move core file creation code in separate function Date: Fri, 24 Sep 2021 15:48:52 -0400 Message-Id: <20210924194854.919414-4-vgoyal@redhat.com> In-Reply-To: <20210924194854.919414-1-vgoyal@redhat.com> References: <20210924194854.919414-1-vgoyal@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=vgoyal@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=vgoyal@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.473, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: miklos@szeredi.hu, chirantan@chromium.org, stephen.smalley.work@gmail.com, dwalsh@redhat.com, dgilbert@redhat.com, vgoyal@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1632513122444100005 Content-Type: text/plain; charset="utf-8" Move core file creation bits in a separate function. Soon this is going to get more complex as file creation need to set security context also. And there will be multiple modes of file creation in next patch. Signed-off-by: Vivek Goyal --- tools/virtiofsd/passthrough_ll.c | 36 ++++++++++++++++++++++---------- 1 file changed, 25 insertions(+), 11 deletions(-) diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough= _ll.c index 64b5b4fbb1..54978b7fae 100644 --- a/tools/virtiofsd/passthrough_ll.c +++ b/tools/virtiofsd/passthrough_ll.c @@ -1976,6 +1976,30 @@ static int lo_do_open(struct lo_data *lo, struct lo_= inode *inode, return 0; } =20 +static int do_lo_create(fuse_req_t req, struct lo_inode *parent_inode, + const char *name, mode_t mode, + struct fuse_file_info *fi, int* open_fd) +{ + int err =3D 0, fd; + struct lo_cred old =3D {}; + struct lo_data *lo =3D lo_data(req); + + err =3D lo_change_cred(req, &old, lo->change_umask); + if (err) { + return err; + } + + /* Try to create a new file but don't open existing files */ + fd =3D openat(parent_inode->fd, name, fi->flags | O_CREAT | O_EXCL, mo= de); + if (fd =3D=3D -1) { + err =3D errno; + } else { + *open_fd =3D fd; + } + lo_restore_cred(&old, lo->change_umask); + return err; +} + static void lo_create(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, struct fuse_file_info *fi) { @@ -1985,7 +2009,6 @@ static void lo_create(fuse_req_t req, fuse_ino_t pare= nt, const char *name, struct lo_inode *inode =3D NULL; struct fuse_entry_param e; int err; - struct lo_cred old =3D {}; =20 fuse_log(FUSE_LOG_DEBUG, "lo_create(parent=3D%" PRIu64 ", name=3D%s)" " kill_priv=3D%d\n", parent, name, fi->kill_priv); @@ -2001,18 +2024,9 @@ static void lo_create(fuse_req_t req, fuse_ino_t par= ent, const char *name, return; } =20 - err =3D lo_change_cred(req, &old, lo->change_umask); - if (err) { - goto out; - } - update_open_flags(lo->writeback, lo->allow_direct_io, fi); =20 - /* Try to create a new file but don't open existing files */ - fd =3D openat(parent_inode->fd, name, fi->flags | O_CREAT | O_EXCL, mo= de); - err =3D fd =3D=3D -1 ? errno : 0; - - lo_restore_cred(&old, lo->change_umask); + err =3D do_lo_create(req, parent_inode, name, mode, fi, &fd); =20 /* Ignore the error if file exists and O_EXCL was not given */ if (err && (err !=3D EEXIST || (fi->flags & O_EXCL))) { --=20 2.31.1