From nobody Mon Feb 9 16:03:00 2026 Delivered-To: importer@patchew.org Received-SPF: none (zohomail.com: 8.43.85.245 is neither permitted nor denied by domain of lists.libvirt.org) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; helo=lists.libvirt.org; Authentication-Results: mx.zohomail.com; spf=none (zohomail.com: 8.43.85.245 is neither permitted nor denied by domain of lists.libvirt.org) smtp.mailfrom=devel-bounces@lists.libvirt.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.libvirt.org (lists.libvirt.org [8.43.85.245]) by mx.zohomail.com with SMTPS id 171336076339070.48966338982268; Wed, 17 Apr 2024 06:32:43 -0700 (PDT) Received: by lists.libvirt.org (Postfix, from userid 996) id 592A71CA4; Wed, 17 Apr 2024 09:32:42 -0400 (EDT) Received: from lists.libvirt.org (localhost [IPv6:::1]) by lists.libvirt.org (Postfix) with ESMTP id EA45B1C1F; Wed, 17 Apr 2024 09:30:13 -0400 (EDT) Received: by lists.libvirt.org (Postfix, from userid 996) id 915B318C3; Wed, 17 Apr 2024 09:30:05 -0400 (EDT) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.libvirt.org (Postfix) with ESMTPS id 3175318C8 for ; Wed, 17 Apr 2024 09:30:05 -0400 (EDT) Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-661-qvPBayU0NniPe1vIWjkI7g-1; Wed, 17 Apr 2024 09:30:03 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2C8C880021A; Wed, 17 Apr 2024 13:30:03 +0000 (UTC) Received: from harajuku.usersys.redhat.com.homenet.telecomitalia.it (unknown [10.45.226.187]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 92950C13FA8; Wed, 17 Apr 2024 13:30:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on lists.libvirt.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL,SPF_HELO_NONE autolearn=unavailable autolearn_force=no version=3.4.4 X-MC-Unique: qvPBayU0NniPe1vIWjkI7g-1 From: Andrea Bolognani To: devel@lists.libvirt.org Subject: [PATCH v2 4/5] utils: Use overrides in virFileIsSharedFS() Date: Wed, 17 Apr 2024 15:29:52 +0200 Message-ID: <20240417132953.307234-5-abologna@redhat.com> In-Reply-To: <20240417132953.307234-1-abologna@redhat.com> References: <20240417132953.307234-1-abologna@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Message-ID-Hash: EXGFMDKYC64KPG2ONPVRKHA7NUMEPBQE X-Message-ID-Hash: EXGFMDKYC64KPG2ONPVRKHA7NUMEPBQE X-MailFrom: abologna@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; suspicious-header CC: Stefan Berger X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="utf-8"; x-default="true" Content-Transfer-Encoding: quoted-printable X-ZM-MESSAGEID: 1713360765221100001 If the local admin has explicitly declared that a certain filesystem is to be considered shared, we should treat it as such. Signed-off-by: Andrea Bolognani Reviewed-by: Stefan Berger --- src/util/virfile.c | 42 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 41 insertions(+), 1 deletion(-) diff --git a/src/util/virfile.c b/src/util/virfile.c index 3268866f8b..45815919d6 100644 --- a/src/util/virfile.c +++ b/src/util/virfile.c @@ -3801,9 +3801,49 @@ virFileGetDefaultHugepage(virHugeTLBFS *fs, return NULL; } =20 +static bool +virFileIsSharedFSOverride(const char *path, + char *const *overrides) +{ + g_autofree char *dirpath =3D NULL; + char *p =3D NULL; + + if (!path || path[0] !=3D '/' || !overrides) + return false; + + if (g_strv_contains((const char *const *) overrides, path)) + return true; + + dirpath =3D g_strdup(path); + + /* Continue until we've scanned the entire path */ + while (p !=3D dirpath) { + + /* Find the last slash */ + if ((p =3D strrchr(dirpath, '/')) =3D=3D NULL) + break; + + /* Truncate the path by overwriting the slash that we've just + * found with a null byte. If it is the very first slash in + * the path, we need to handle things slightly differently */ + if (p =3D=3D dirpath) + *(p+1) =3D '\0'; + else + *p =3D '\0'; + + if (g_strv_contains((const char *const *) overrides, dirpath)) + return true; + } + + return false; +} + int virFileIsSharedFS(const char *path, - char *const *overrides G_GNUC_UNUSED) + char *const *overrides) { + if (virFileIsSharedFSOverride(path, overrides)) + return 1; + return virFileIsSharedFSType(path, VIR_FILE_SHFS_NFS | VIR_FILE_SHFS_GFS2 | --=20 2.44.0 _______________________________________________ Devel mailing list -- devel@lists.libvirt.org To unsubscribe send an email to devel-leave@lists.libvirt.org