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[212.96.48.140]) by smtp.gmail.com with ESMTPSA id 2sm23689474wrq.31.2019.11.28.07.59.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Nov 2019 07:59:54 -0800 (PST) From: Miklos Szeredi To: Al Viro Cc: linux-fsdevel@vger.kernel.org Subject: [PATCH 10/12] vfs: don't parse forbidden flags Date: Thu, 28 Nov 2019 16:59:38 +0100 Message-Id: <20191128155940.17530-11-mszeredi@redhat.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191128155940.17530-1-mszeredi@redhat.com> References: <20191128155940.17530-1-mszeredi@redhat.com> MIME-Version: 1.0 X-MC-Unique: Dn14S4JbOn-KIXLPcylT0A-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Makes little sense to keep this blacklist synced with what mount(8) parses and what it doesn't. E.g. it has various forms of "*atime" options, but not "atime"... Signed-off-by: Miklos Szeredi --- fs/fs_context.c | 28 ---------------------------- 1 file changed, 28 deletions(-) diff --git a/fs/fs_context.c b/fs/fs_context.c index 7c4216156950..394a05bc03d5 100644 --- a/fs/fs_context.c +++ b/fs/fs_context.c @@ -55,29 +55,6 @@ static const struct constant_table common_clear_sb_flag[= ] =3D { =09{ "silent",=09SB_SILENT }, }; =20 -static const char *const forbidden_sb_flag[] =3D { -=09"bind", -=09"dev", -=09"exec", -=09"move", -=09"noatime", -=09"nodev", -=09"nodiratime", -=09"noexec", -=09"norelatime", -=09"nostrictatime", -=09"nosuid", -=09"private", -=09"rec", -=09"relatime", -=09"remount", -=09"shared", -=09"slave", -=09"strictatime", -=09"suid", -=09"unbindable", -}; - /* * Check for a common mount option that manipulates s_flags. */ @@ -85,11 +62,6 @@ static int vfs_parse_sb_flag(struct fs_context *fc, stru= ct fs_parameter *param) { =09const char *key =3D param->key; =09unsigned int set, clear; -=09unsigned int i; - -=09for (i =3D 0; i < ARRAY_SIZE(forbidden_sb_flag); i++) -=09=09if (strcmp(key, forbidden_sb_flag[i]) =3D=3D 0) -=09=09=09return -EINVAL; =20 =09set =3D lookup_constant(common_set_sb_flag, key, 0); =09clear =3D lookup_constant(common_clear_sb_flag, key, 0); --=20 2.21.0