units: replace a few non-essential API mounts with automount units

Makefile.am

@@ -82,7 +82,16 @@ dist_systemunit_DATA = \
 	units/sockets.target \
 	units/swap.target \
 	units/systemd-initctl.socket \
-	units/systemd-logger.socket
+	units/systemd-logger.socket \
+	units/dev-hugepages.automount \
+	units/dev-hugepages.mount \
+	units/dev-mqueue.automount \
+	units/dev-mqueue.mount \
+	units/proc-sys-fs-binfmt_misc.automount \
+	units/proc-sys-fs-binfmt_misc.mount \
+	units/sys-kernel-debug.automount \
+	units/sys-kernel-debug.mount \
+	units/var-run.mount
 
 systemunit_DATA = \
 	units/basic.target \
@@ -404,8 +413,10 @@ install-data-hook:
 		$(DESTDIR)$(systemunitdir) \
 		$(DESTDIR)$(sessionunitdir) \
 		$(DESTDIR)$(systemunitdir)/sockets.target.wants \
+		$(DESTDIR)$(systemunitdir)/basic.target.wants \
 		$(DESTDIR)$(pkgsysconfdir)/system \
 		$(DESTDIR)$(pkgsysconfdir)/system/getty.target.wants \
+		$(DESTDIR)$(pkgsysconfdir)/system/local-fs.target.wants \
 		$(DESTDIR)$(pkgsysconfdir)/system/multi-user.target.wants \
 		$(DESTDIR)$(pkgsysconfdir)/system/graphical.target.wants \
 		$(DESTDIR)$(pkgsysconfdir)/session \
@@ -451,6 +462,15 @@ install-data-hook:
 	( cd $(DESTDIR)$(pkgsysconfdir)/system/multi-user.target.wants && \
 		rm -f getty.target && \
 		$(LN_S) $(systemunitdir)/getty.target getty.target )
+	( cd $(DESTDIR)$(pkgsysconfdir)/system/local-fs.target.wants && \
+		rm -f var-run.mount && \
+		$(LN_S) $(systemunitdir)/var-run.mount var-run.mount )
+	( cd $(DESTDIR)$(systemunitdir)/basic.target.wants && \
+		rm -f dev-hugepages.automount dev-mqueue.automount proc-sys-fs-binfmt_misc.automount sys-kernel-debug.automount && \
+		$(LN_S) ../dev-hugepages.automount dev-hugepages.automount && \
+		$(LN_S) ../dev-mqueue.automount dev-mqueue.automount && \
+		$(LN_S) ../proc-sys-fs-binfmt_misc.automount proc-sys-fs-binfmt_misc.automount && \
+		$(LN_S) ../sys-kernel-debug.automount sys-kernel-debug.automount )
 if TARGET_FEDORA
 	( cd $(DESTDIR)$(pkgsysconfdir)/system/graphical.target.wants && \
 		rm -f prefdm.service && \

src/mount-setup.c

@@ -48,9 +48,6 @@ static const MountPoint mount_table[] = {
         { "tmpfs",       "/dev/shm",                 "tmpfs",       "mode=1777",         MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
         { "devpts",      "/dev/pts",                 "devpts",      NULL,                MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
         { "cgroup",      "/cgroup/systemd",          "cgroup",      "none,name=systemd", MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
-        { "debugfs",     "/sys/kernel/debug",        "debugfs",     NULL,                MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
-        { "binfmt_misc", "/proc/sys/fs/binfmt_misc", "binfmt_misc", NULL,                MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
-        { "mqueue",      "/dev/mqueue",              "mqueue",      NULL,                MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
 };
 
 bool mount_point_is_api(const char *path) {
@@ -104,7 +101,7 @@ static int mount_cgroup_controllers(void) {
         FILE *f;
         char buf [256];
 
-        /* Mount all available cgroup controllers. */
+        /* Mount all available cgroup controllers that are built into the kernel. */
 
         if (!(f = fopen("/proc/cgroups", "re")))
                 return -ENOENT;

units/dev-hugepages.automount

@@ -0,0 +1,23 @@
+#  This file is part of systemd.
+#
+#  Copyright 2010 Lennart Poettering
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  systemd is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+[Unit]
+Name=Huge Pages File System Automount Point
+Before=basic.target
+
+[Automount]
+Where=/dev/hugepages

units/dev-hugepages.mount

@@ -0,0 +1,24 @@
+#  This file is part of systemd.
+#
+#  Copyright 2010 Lennart Poettering
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  systemd is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+[Unit]
+Name=Huge Pages File System
+
+[Mount]
+What=hugetlbfs
+Where=/dev/hugepages
+Type=hugetlbfs

units/dev-mqueue.automount

@@ -0,0 +1,23 @@
+#  This file is part of systemd.
+#
+#  Copyright 2010 Lennart Poettering
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  systemd is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+[Unit]
+Name=POSIX Message Queue File System Automount Point
+Before=basic.target
+
+[Automount]
+Where=/dev/mqueue

units/dev-mqueue.mount

@@ -0,0 +1,24 @@
+#  This file is part of systemd.
+#
+#  Copyright 2010 Lennart Poettering
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  systemd is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+[Unit]
+Name=POSIX Message Queue File System
+
+[Mount]
+What=mqueue
+Where=/dev/mqueue
+Type=mqueue

units/proc-sys-fs-binfmt_misc.automount

@@ -0,0 +1,23 @@
+#  This file is part of systemd.
+#
+#  Copyright 2010 Lennart Poettering
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  systemd is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+[Unit]
+Name=Arbitrary Executable File Formats File System Automount Point
+Before=basic.target
+
+[Automount]
+Where=/proc/sys/fs/binfmt_misc

units/proc-sys-fs-binfmt_misc.mount

@@ -0,0 +1,24 @@
+#  This file is part of systemd.
+#
+#  Copyright 2010 Lennart Poettering
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  systemd is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+[Unit]
+Name=Arbitrary Executable File Formats File System
+
+[Mount]
+What=binfmt_misc
+Where=/proc/sys/fs/binfmt_misc
+Type=binfmt_misc

units/sys-kernel-debug.automount

@@ -0,0 +1,23 @@
+#  This file is part of systemd.
+#
+#  Copyright 2010 Lennart Poettering
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  systemd is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+[Unit]
+Name=Debug File System Automount Point
+Before=basic.target
+
+[Automount]
+Where=/sys/kernel/debug

units/sys-kernel-debug.mount

@@ -0,0 +1,24 @@
+#  This file is part of systemd.
+#
+#  Copyright 2010 Lennart Poettering
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  systemd is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+[Unit]
+Name=Debug File System
+
+[Mount]
+What=debugfs
+Where=/sys/kernel/debug
+Type=debugfs

units/var-run.mount

@@ -0,0 +1,25 @@
+#  This file is part of systemd.
+#
+#  Copyright 2010 Lennart Poettering
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  systemd is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+[Unit]
+Name=Runtime Directory
+Before=local-fs.target
+
+[Mount]
+What=tmpfs
+Where=/var/run
+Type=tmpfs