From nobody Mon Feb 9 04:31:03 2026 Received: from relayaws-01.paragon-software.com (relayaws-01.paragon-software.com [35.157.23.187]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 097A021576E; Wed, 4 Feb 2026 00:44:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=35.157.23.187 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770165893; cv=none; b=qXZoHs3hQDEAdwKQPtQ0NF/4W1GnJP+waxXzGZG6yqAcsfekzQoTgoYDNa6rd0xGa32lM2w2lmpj9HqrR5rhLddGAYZ4j+EnauqYZIpfEHUhZvEKMMgOui8u3abf3zCD8AjtJtW1WJvvRodf18lUDh15iojhoWEcbZuAO76b7yU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770165893; c=relaxed/simple; bh=QbfZH5q6w4OI8YF3vuMiRli6CPe498AdBlcIsEP9usY=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=KD54HysBd3y6LsYrI2orElSN4/dVv4SbzEdE9r7BlaaRi5QgjgU85Ky6BiEO9cmhf8kOWw/7doLXwWuP+kdenUmfDLxQcV3Se3eXSKuPRWjbbBUggsity7YVma/gnQL5sc6WQUM/onKKbFIhTUPmQJ9hiLLjk6zJwMC1LFLUnZg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=paragon-software.com; spf=pass smtp.mailfrom=paragon-software.com; dkim=pass (1024-bit key) header.d=paragon-software.com header.i=@paragon-software.com header.b=XJalUroZ; arc=none smtp.client-ip=35.157.23.187 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=paragon-software.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=paragon-software.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=paragon-software.com header.i=@paragon-software.com header.b="XJalUroZ" Received: from relayfre-01.paragon-software.com (unknown [176.12.100.13]) by relayaws-01.paragon-software.com (Postfix) with ESMTPS id 3543C241; Wed, 4 Feb 2026 00:42:31 +0000 (UTC) Authentication-Results: relayaws-01.paragon-software.com; dkim=pass (1024-bit key; unprotected) header.d=paragon-software.com header.i=@paragon-software.com header.b=XJalUroZ; dkim-atps=neutral Received: from dlg2.mail.paragon-software.com (vdlg-exch-02.paragon-software.com [172.30.1.105]) by relayfre-01.paragon-software.com (Postfix) with ESMTPS id E3891244; Wed, 4 Feb 2026 00:44:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paragon-software.com; s=mail; t=1770165884; bh=hf7RcZpOtGky+43DdWAzHuxOmZiJPotKax5NzbNOBAs=; h=From:To:CC:Subject:Date; b=XJalUroZu/DUy9WtoA8r8wSZh6mxX7gYclCh3CASxlNSRYnHC0z535vsrDysAHxAp woD/ScSswxIG1P9VEDjnQfz5Qeov2fRwMPA+HEqiG0Tzir8u/4nCJazBu7M0It5Edn 2Y02Keo2dyynvqPJGAU3GgYWFRwzh4DH+cM40YQM= Received: from localhost.localdomain (172.30.20.133) by vdlg-exch-02.paragon-software.com (172.30.1.105) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Wed, 4 Feb 2026 03:44:43 +0300 From: Konstantin Komarov To: CC: , , Konstantin Komarov Subject: [PATCH] fs/ntfs3: allow explicit boolean acl/prealloc mount options Date: Wed, 4 Feb 2026 01:44:34 +0100 Message-ID: <20260204004434.7998-1-almaz.alexandrovich@paragon-software.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: vobn-exch-01.paragon-software.com (172.30.72.13) To vdlg-exch-02.paragon-software.com (172.30.1.105) Content-Type: text/plain; charset="utf-8" This patch improves mount option parsing by allowing explicit boolean values for acl and prealloc. Previously those options were exposed only as presence/absence flags. Signed-off-by: Konstantin Komarov --- fs/ntfs3/super.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c index 5c104991b067..4f423d3a248c 100644 --- a/fs/ntfs3/super.c +++ b/fs/ntfs3/super.c @@ -264,8 +264,10 @@ enum Opt { Opt_windows_names, Opt_showmeta, Opt_acl, + Opt_acl_bool, Opt_iocharset, Opt_prealloc, + Opt_prealloc_bool, Opt_nocase, Opt_err, }; @@ -285,9 +287,11 @@ static const struct fs_parameter_spec ntfs_fs_paramete= rs[] =3D { fsparam_flag("hide_dot_files", Opt_hide_dot_files), fsparam_flag("windows_names", Opt_windows_names), fsparam_flag("showmeta", Opt_showmeta), - fsparam_flag_no("acl", Opt_acl), + fsparam_flag("acl", Opt_acl), + fsparam_bool("acl", Opt_acl_bool), fsparam_string("iocharset", Opt_iocharset), - fsparam_flag_no("prealloc", Opt_prealloc), + fsparam_flag("prealloc", Opt_prealloc), + fsparam_bool("prealloc", Opt_prealloc_bool), fsparam_flag("nocase", Opt_nocase), {} }; @@ -379,15 +383,16 @@ static int ntfs_fs_parse_param(struct fs_context *fc, case Opt_showmeta: opts->showmeta =3D 1; break; - case Opt_acl: - if (!result.negated) + case Opt_acl_bool: + if (result.boolean) { + case Opt_acl: #ifdef CONFIG_NTFS3_FS_POSIX_ACL fc->sb_flags |=3D SB_POSIXACL; #else return invalf( fc, "ntfs3: Support for ACL not compiled in!"); #endif - else + } else fc->sb_flags &=3D ~SB_POSIXACL; break; case Opt_iocharset: @@ -396,7 +401,10 @@ static int ntfs_fs_parse_param(struct fs_context *fc, param->string =3D NULL; break; case Opt_prealloc: - opts->prealloc =3D !result.negated; + opts->prealloc =3D 1; + break; + case Opt_prealloc_bool: + opts->prealloc =3D result.boolean; break; case Opt_nocase: opts->nocase =3D 1; --=20 2.43.0