X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fmount.c;h=28ed8c3ddcbd1558025010dc22836d4bd99e3c56;hp=e7fdcc84f358993a8cc0aa154bd9102d9c82ef92;hb=60b912f6b1c6bce67ec4a979594981f6a3b13987;hpb=1e3ad081efda42dd1cc737ce7e98be8889c78340

diff --git a/src/mount.c b/src/mount.c
index e7fdcc84f..28ed8c3dd 100644
--- a/src/mount.c
+++ b/src/mount.c
@@ -1,4 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
 /***
   This file is part of systemd.
@@ -33,7 +33,6 @@
 #include "strv.h"
 #include "mount-setup.h"
 #include "unit-name.h"
-#include "mount.h"
 #include "dbus-mount.h"
 #include "special.h"
 
@@ -50,7 +49,7 @@ static const UnitActiveState state_translation_table[_MOUNT_STATE_MAX] = {
         [MOUNT_REMOUNTING_SIGKILL] = UNIT_RELOADING,
         [MOUNT_UNMOUNTING_SIGTERM] = UNIT_DEACTIVATING,
         [MOUNT_UNMOUNTING_SIGKILL] = UNIT_DEACTIVATING,
-        [MOUNT_MAINTENANCE] = UNIT_MAINTENANCE
+        [MOUNT_FAILED] = UNIT_FAILED
 };
 
 static void mount_init(Unit *u) {
@@ -60,10 +59,10 @@ static void mount_init(Unit *u) {
         assert(u->meta.load_state == UNIT_STUB);
 
         m->timeout_usec = DEFAULT_TIMEOUT_USEC;
-        exec_context_init(&m->exec_context);
-
         m->directory_mode = 0755;
 
+        exec_context_init(&m->exec_context);
+
         /* We need to make sure that /bin/mount is always called in
          * the same process group as us, so that the autofs kernel
          * side doesn't send us another mount request while we are
@@ -119,14 +118,23 @@ static void mount_done(Unit *u) {
 static int mount_add_mount_links(Mount *m) {
         Meta *other;
         int r;
+        MountParameters *pm;
 
         assert(m);
 
+        if (m->from_fragment)
+                pm = &m->parameters_fragment;
+        else if (m->from_etc_fstab)
+                pm = &m->parameters_etc_fstab;
+        else
+                pm = NULL;
+
         /* Adds in links to other mount points that might lie below or
          * above us in the hierarchy */
 
         LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_MOUNT]) {
                 Mount *n = (Mount*) other;
+                MountParameters *pn;
 
                 if (n == m)
                         continue;
@@ -134,6 +142,13 @@ static int mount_add_mount_links(Mount *m) {
                 if (n->meta.load_state != UNIT_LOADED)
                         continue;
 
+                if (n->from_fragment)
+                        pn = &n->parameters_fragment;
+                else if (n->from_etc_fstab)
+                        pn = &n->parameters_etc_fstab;
+                else
+                        pn = NULL;
+
                 if (path_startswith(m->where, n->where)) {
 
                         if ((r = unit_add_dependency(UNIT(m), UNIT_AFTER, UNIT(n), true)) < 0)
@@ -145,10 +160,28 @@ static int mount_add_mount_links(Mount *m) {
 
                 } else if (path_startswith(n->where, m->where)) {
 
-                        if ((r = unit_add_dependency(UNIT(m), UNIT_BEFORE, UNIT(n), true)) < 0)
+                        if ((r = unit_add_dependency(UNIT(n), UNIT_AFTER, UNIT(m), true)) < 0)
+                                return r;
+
+                        if (m->from_etc_fstab || m->from_fragment)
+                                if ((r = unit_add_dependency(UNIT(n), UNIT_REQUIRES, UNIT(m), true)) < 0)
+                                        return r;
+
+                } else if (pm && path_startswith(pm->what, n->where)) {
+
+                        if ((r = unit_add_dependency(UNIT(m), UNIT_AFTER, UNIT(n), true)) < 0)
                                 return r;
 
                         if (m->from_etc_fstab || m->from_fragment)
+                                if ((r = unit_add_dependency(UNIT(m), UNIT_REQUIRES, UNIT(n), true)) < 0)
+                                        return r;
+
+                } else if (pn && path_startswith(pn->what, m->where)) {
+
+                        if ((r = unit_add_dependency(UNIT(n), UNIT_AFTER, UNIT(m), true)) < 0)
+                                return r;
+
+                        if (n->from_etc_fstab || n->from_fragment)
                                 if ((r = unit_add_dependency(UNIT(n), UNIT_REQUIRES, UNIT(m), true)) < 0)
                                         return r;
                 }
@@ -227,7 +260,7 @@ static char* mount_test_option(const char *haystack, const char *needle) {
 }
 
 static int mount_add_target_links(Mount *m) {
-        const char *target;
+        const char *target, *after = NULL;
         MountParameters *p;
         Unit *tu;
         int r;
@@ -244,18 +277,26 @@ static int mount_add_target_links(Mount *m) {
 
         noauto = !!mount_test_option(p->options, MNTOPT_NOAUTO);
         user = mount_test_option(p->options, "user") || mount_test_option(p->options, "users");
-        handle = !!mount_test_option(p->options, "comment=systemd.mount");
+        handle = !!mount_test_option(p->options, "comment=systemd.mount") ||
+                m->meta.manager->mount_auto;
         automount = !!mount_test_option(p->options, "comment=systemd.automount");
 
         if (mount_test_option(p->options, "_netdev") ||
-            fstype_is_network(p->fstype))
+            (p->fstype && fstype_is_network(p->fstype))) {
                 target = SPECIAL_REMOTE_FS_TARGET;
-        else
+
+                if (m->meta.manager->running_as == MANAGER_SYSTEM)
+                        after = SPECIAL_NETWORK_TARGET;
+        } else
                 target = SPECIAL_LOCAL_FS_TARGET;
 
         if ((r = manager_load_unit(m->meta.manager, target, NULL, NULL, &tu)) < 0)
                 return r;
 
+        if (after)
+                if ((r = unit_add_dependency_by_name(tu, UNIT_AFTER, after, NULL, true)) < 0)
+                        return r;
+
         if (automount && m->meta.manager->running_as == MANAGER_SYSTEM) {
                 Unit *am;
 
@@ -265,7 +306,11 @@ static int mount_add_target_links(Mount *m) {
                 return unit_add_two_dependencies(tu, UNIT_AFTER, UNIT_WANTS, UNIT(am), true);
         } else {
 
-                if (!noauto && handle)
+                /* Automatically add mount points that aren't natively
+                 * configured to local-fs.target */
+                if (!noauto &&
+                    handle &&
+                    !m->from_fragment)
                         if (user || m->meta.manager->running_as == MANAGER_SYSTEM)
                                 if ((r = unit_add_dependency(tu, UNIT_WANTS, UNIT(m), true)) < 0)
                                         return r;
@@ -274,6 +319,63 @@ static int mount_add_target_links(Mount *m) {
         }
 }
 
+static bool mount_is_bind(MountParameters *p) {
+        assert(p);
+
+        if (p->fstype && streq(p->fstype, "bind"))
+                return true;
+
+        if (mount_test_option(p->options, "bind"))
+                return true;
+
+        return false;
+}
+
+static int mount_add_device_links(Mount *m) {
+        MountParameters *p;
+        bool nofail, noauto;
+
+        assert(m);
+
+        if (m->from_fragment)
+                p = &m->parameters_fragment;
+        else if (m->from_etc_fstab)
+                p = &m->parameters_etc_fstab;
+        else
+                return 0;
+
+        if (!p->what || path_equal(m->where, "/"))
+                return 0;
+
+        if (mount_is_bind(p))
+                return 0;
+
+        noauto = !!mount_test_option(p->options, MNTOPT_NOAUTO);
+        nofail = !!mount_test_option(p->options, "nofail");
+
+        return unit_add_node_link(UNIT(m), p->what,
+                                  !noauto && nofail &&
+                                  UNIT(m)->meta.manager->running_as == MANAGER_SYSTEM);
+}
+
+static int mount_add_default_dependencies(Mount *m) {
+        int r;
+
+        assert(m);
+
+        if (m->meta.manager->running_as == MANAGER_SYSTEM &&
+            !path_equal(m->where, "/")) {
+
+                if ((r = unit_add_dependency_by_name(UNIT(m), UNIT_AFTER, SPECIAL_FSCK_TARGET, NULL, true)) < 0)
+                        return r;
+
+                if ((r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0)
+                        return r;
+        }
+
+        return 0;
+}
+
 static int mount_verify(Mount *m) {
         bool b;
         char *e;
@@ -301,7 +403,7 @@ static int mount_verify(Mount *m) {
                 return -EBADMSG;
         }
 
-        if (m->exec_context.pam_name && m->kill_mode != KILL_CONTROL_GROUP) {
+        if (m->exec_context.pam_name && m->exec_context.kill_mode != KILL_CONTROL_GROUP) {
                 log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", m->meta.id);
                 return -EINVAL;
         }
@@ -321,8 +423,6 @@ static int mount_load(Unit *u) {
 
         /* This is a new unit? Then let's add in some extras */
         if (u->meta.load_state == UNIT_LOADED) {
-                const char *what = NULL;
-
                 if (m->meta.fragment_path)
                         m->from_fragment = true;
 
@@ -336,16 +436,8 @@ static int mount_load(Unit *u) {
                         if ((r = unit_set_description(u, m->where)) < 0)
                                 return r;
 
-                if (m->from_fragment && m->parameters_fragment.what)
-                        what = m->parameters_fragment.what;
-                else if (m->from_etc_fstab && m->parameters_etc_fstab.what)
-                        what = m->parameters_etc_fstab.what;
-                else if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what)
-                        what = m->parameters_proc_self_mountinfo.what;
-
-                if (what)
-                        if ((r = unit_add_node_link(u, what, u->meta.manager->running_as == MANAGER_SYSTEM)) < 0)
-                                return r;
+                if ((r = mount_add_device_links(m)) < 0)
+                        return r;
 
                 if ((r = mount_add_mount_links(m)) < 0)
                         return r;
@@ -367,6 +459,10 @@ static int mount_load(Unit *u) {
 
                 if ((r = unit_add_default_cgroup(u)) < 0)
                         return r;
+
+                if (m->meta.default_dependencies)
+                        if ((r = mount_add_default_dependencies(m)) < 0)
+                                return r;
         }
 
         return mount_verify(m);
@@ -418,7 +514,7 @@ static void mount_set_state(Mount *m, MountState state) {
                  state == MOUNT_REMOUNTING_SIGKILL ||
                  state == MOUNT_UNMOUNTING_SIGTERM ||
                  state == MOUNT_UNMOUNTING_SIGKILL ||
-                 state == MOUNT_MAINTENANCE)
+                 state == MOUNT_FAILED)
                 mount_notify_automount(m, -ENODEV);
 
         if (state != old_state)
@@ -495,7 +591,6 @@ static void mount_dump(Unit *u, FILE *f, const char *prefix) {
                 "%sFrom /etc/fstab: %s\n"
                 "%sFrom /proc/self/mountinfo: %s\n"
                 "%sFrom fragment: %s\n"
-                "%sKillMode: %s\n"
                 "%sDirectoryMode: %04o\n",
                 prefix, mount_state_to_string(m->state),
                 prefix, m->where,
@@ -505,7 +600,6 @@ static void mount_dump(Unit *u, FILE *f, const char *prefix) {
                 prefix, yes_no(m->from_etc_fstab),
                 prefix, yes_no(m->from_proc_self_mountinfo),
                 prefix, yes_no(m->from_fragment),
-                prefix, kill_mode_to_string(m->kill_mode),
                 prefix, m->directory_mode);
 
         if (m->control_pid > 0)
@@ -534,8 +628,8 @@ static int mount_spawn(Mount *m, ExecCommand *c, pid_t *_pid) {
                             m->meta.manager->environment,
                             true,
                             true,
-                            m->meta.manager->confirm_spawn,
                             true,
+                            m->meta.manager->confirm_spawn,
                             m->meta.cgroup_bondings,
                             &pid)) < 0)
                 goto fail;
@@ -560,7 +654,7 @@ static void mount_enter_dead(Mount *m, bool success) {
         if (!success)
                 m->failure = true;
 
-        mount_set_state(m, m->failure ? MOUNT_MAINTENANCE : MOUNT_DEAD);
+        mount_set_state(m, m->failure ? MOUNT_FAILED : MOUNT_DEAD);
 }
 
 static void mount_enter_mounted(Mount *m, bool success) {
@@ -574,35 +668,52 @@ static void mount_enter_mounted(Mount *m, bool success) {
 
 static void mount_enter_signal(Mount *m, MountState state, bool success) {
         int r;
-        bool sent = false;
+        Set *pid_set = NULL;
+        bool wait_for_exit = false;
 
         assert(m);
 
         if (!success)
                 m->failure = true;
 
-        if (m->kill_mode != KILL_NONE) {
+        if (m->exec_context.kill_mode != KILL_NONE) {
                 int sig = (state == MOUNT_MOUNTING_SIGTERM ||
                            state == MOUNT_UNMOUNTING_SIGTERM ||
-                           state == MOUNT_REMOUNTING_SIGTERM) ? SIGTERM : SIGKILL;
+                           state == MOUNT_REMOUNTING_SIGTERM) ? m->exec_context.kill_signal : SIGKILL;
 
-                if (m->kill_mode == KILL_CONTROL_GROUP) {
+                if (m->control_pid > 0) {
+                        if (kill(m->exec_context.kill_mode == KILL_PROCESS_GROUP ?
+                                 -m->control_pid :
+                                 m->control_pid, sig) < 0 && errno != ESRCH)
 
-                        if ((r = cgroup_bonding_kill_list(m->meta.cgroup_bondings, sig)) < 0) {
-                                if (r != -EAGAIN && r != -ESRCH)
-                                        goto fail;
-                        } else
-                                sent = true;
+                                log_warning("Failed to kill control process %li: %m", (long) m->control_pid);
+                        else
+                                wait_for_exit = true;
                 }
 
-                if (!sent && m->control_pid > 0)
-                        if (kill(m->kill_mode == KILL_PROCESS ? m->control_pid : -m->control_pid, sig) < 0 && errno != ESRCH) {
-                                r = -errno;
+                if (m->exec_context.kill_mode == KILL_CONTROL_GROUP) {
+
+                        if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
+                                r = -ENOMEM;
                                 goto fail;
                         }
+
+                        /* Exclude the control pid from being killed via the cgroup */
+                        if (m->control_pid > 0)
+                                if ((r = set_put(pid_set, LONG_TO_PTR(m->control_pid))) < 0)
+                                        goto fail;
+
+                        if ((r = cgroup_bonding_kill_list(m->meta.cgroup_bondings, sig, pid_set)) < 0) {
+                                if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
+                                        log_warning("Failed to kill control group: %s", strerror(-r));
+                        } else if (r > 0)
+                                wait_for_exit = true;
+
+                        set_free(pid_set);
+                }
         }
 
-        if (sent) {
+        if (wait_for_exit) {
                 if ((r = unit_watch_timer(UNIT(m), m->timeout_usec, &m->timer_watch)) < 0)
                         goto fail;
 
@@ -621,6 +732,9 @@ fail:
                 mount_enter_mounted(m, false);
         else
                 mount_enter_dead(m, false);
+
+        if (pid_set)
+                set_free(pid_set);
 }
 
 static void mount_enter_unmounting(Mount *m, bool success) {
@@ -671,7 +785,7 @@ static void mount_enter_mounting(Mount *m) {
                                 "/bin/mount",
                                 m->parameters_fragment.what,
                                 m->where,
-                                "-t", m->parameters_fragment.fstype,
+                                "-t", m->parameters_fragment.fstype ? m->parameters_fragment.fstype : "auto",
                                 m->parameters_fragment.options ? "-o" : NULL, m->parameters_fragment.options,
                                 NULL);
         else if (m->from_etc_fstab)
@@ -736,7 +850,7 @@ static void mount_enter_remounting(Mount *m, bool success) {
                                 "/bin/mount",
                                 m->parameters_fragment.what,
                                 m->where,
-                                "-t", m->parameters_fragment.fstype,
+                                "-t", m->parameters_fragment.fstype ? m->parameters_fragment.fstype : "auto",
                                 "-o", o,
                                 NULL);
 
@@ -751,10 +865,8 @@ static void mount_enter_remounting(Mount *m, bool success) {
         else
                 r = -ENOENT;
 
-        if (r < 0) {
-                r = -ENOMEM;
+        if (r < 0)
                 goto fail;
-        }
 
         mount_unwatch_control_pid(m);
 
@@ -766,6 +878,7 @@ static void mount_enter_remounting(Mount *m, bool success) {
         return;
 
 fail:
+        log_warning("%s failed to run 'remount' task: %s", m->meta.id, strerror(-r));
         mount_enter_mounted(m, false);
 }
 
@@ -778,16 +891,16 @@ static int mount_start(Unit *u) {
          * please! */
         if (m->state == MOUNT_UNMOUNTING ||
             m->state == MOUNT_UNMOUNTING_SIGTERM ||
-            m->state == MOUNT_UNMOUNTING_SIGKILL)
+            m->state == MOUNT_UNMOUNTING_SIGKILL ||
+            m->state == MOUNT_MOUNTING_SIGTERM ||
+            m->state == MOUNT_MOUNTING_SIGKILL)
                 return -EAGAIN;
 
         /* Already on it! */
-        if (m->state == MOUNT_MOUNTING ||
-            m->state == MOUNT_MOUNTING_SIGTERM ||
-            m->state == MOUNT_MOUNTING_SIGKILL)
+        if (m->state == MOUNT_MOUNTING)
                 return 0;
 
-        assert(m->state == MOUNT_DEAD || m->state == MOUNT_MAINTENANCE);
+        assert(m->state == MOUNT_DEAD || m->state == MOUNT_FAILED);
 
         m->failure = false;
         mount_enter_mounting(m);
@@ -799,23 +912,20 @@ static int mount_stop(Unit *u) {
 
         assert(m);
 
-        /* Cann't do this right now. */
-        if (m->state == MOUNT_MOUNTING ||
-            m->state == MOUNT_MOUNTING_DONE ||
-            m->state == MOUNT_MOUNTING_SIGTERM ||
-            m->state == MOUNT_MOUNTING_SIGKILL ||
-            m->state == MOUNT_REMOUNTING ||
-            m->state == MOUNT_REMOUNTING_SIGTERM ||
-            m->state == MOUNT_REMOUNTING_SIGKILL)
-                return -EAGAIN;
-
         /* Already on it */
         if (m->state == MOUNT_UNMOUNTING ||
             m->state == MOUNT_UNMOUNTING_SIGKILL ||
-            m->state == MOUNT_UNMOUNTING_SIGTERM)
+            m->state == MOUNT_UNMOUNTING_SIGTERM ||
+            m->state == MOUNT_MOUNTING_SIGTERM ||
+            m->state == MOUNT_MOUNTING_SIGKILL)
                 return 0;
 
-        assert(m->state == MOUNT_MOUNTED);
+        assert(m->state == MOUNT_MOUNTING ||
+               m->state == MOUNT_MOUNTING_DONE ||
+               m->state == MOUNT_MOUNTED ||
+               m->state == MOUNT_REMOUNTING ||
+               m->state == MOUNT_REMOUNTING_SIGTERM ||
+               m->state == MOUNT_REMOUNTING_SIGKILL);
 
         mount_enter_unmounting(m, true);
         return 0;
@@ -856,7 +966,6 @@ static int mount_serialize(Unit *u, FILE *f, FDSet *fds) {
 
 static int mount_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
         Mount *m = MOUNT(u);
-        int r;
 
         assert(u);
         assert(key);
@@ -881,7 +990,7 @@ static int mount_deserialize_item(Unit *u, const char *key, const char *value, F
         } else if (streq(key, "control-pid")) {
                 pid_t pid;
 
-                if ((r = parse_pid(value, &pid)) < 0)
+                if (parse_pid(value, &pid) < 0)
                         log_debug("Failed to parse control-pid value %s", value);
                 else
                         m->control_pid = pid;
@@ -937,12 +1046,13 @@ static void mount_sigchld_event(Unit *u, pid_t pid, int code, int status) {
         m->failure = m->failure || !success;
 
         if (m->control_command) {
-                exec_status_exit(&m->control_command->exec_status, pid, code, status);
+                exec_status_exit(&m->control_command->exec_status, pid, code, status, m->exec_context.utmp_id);
                 m->control_command = NULL;
                 m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
         }
 
-        log_debug("%s control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
+        log_full(success ? LOG_DEBUG : LOG_NOTICE,
+                 "%s mount process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
 
         /* Note that mount(8) returning and the kernel sending us a
          * mount table change event might happen out-of-order. If an
@@ -984,6 +1094,9 @@ static void mount_sigchld_event(Unit *u, pid_t pid, int code, int status) {
         default:
                 assert_not_reached("Uh, control process died at wrong time.");
         }
+
+        /* Notify clients about changed exit status */
+        unit_add_to_dbus_queue(u);
 }
 
 static void mount_timer_event(Unit *u, uint64_t elapsed, Watch *w) {
@@ -1151,7 +1264,7 @@ fail:
 }
 
 static char *fstab_node_to_udev_node(char *p) {
-        char *dn, *t;
+        char *dn, *t, *u;
         int r;
 
         /* FIXME: to follow udev's logic 100% we need to leave valid
@@ -1159,7 +1272,13 @@ static char *fstab_node_to_udev_node(char *p) {
 
         if (startswith(p, "LABEL=")) {
 
-                if (!(t = xescape(p+6, "/ ")))
+                if (!(u = unquote(p+6, "\"\'")))
+                        return NULL;
+
+                t = xescape(u, "/ ");
+                free(u);
+
+                if (!t)
                         return NULL;
 
                 r = asprintf(&dn, "/dev/disk/by-label/%s", t);
@@ -1173,7 +1292,13 @@ static char *fstab_node_to_udev_node(char *p) {
 
         if (startswith(p, "UUID=")) {
 
-                if (!(t = xescape(p+5, "/ ")))
+                if (!(u = unquote(p+5, "\"\'")))
+                        return NULL;
+
+                t = xescape(u, "/ ");
+                free(u);
+
+                if (!t)
                         return NULL;
 
                 r = asprintf(&dn, "/dev/disk/by-uuid/%s", ascii_strlower(t));
@@ -1211,7 +1336,7 @@ static int mount_find_pri(char *options) {
 
 static int mount_load_etc_fstab(Manager *m) {
         FILE *f;
-        int r;
+        int r = 0;
         struct mntent* me;
 
         assert(m);
@@ -1222,6 +1347,7 @@ static int mount_load_etc_fstab(Manager *m) {
 
         while ((me = getmntent(f))) {
                 char *where, *what;
+                int k;
 
                 if (!(what = fstab_node_to_udev_node(me->mnt_fsname))) {
                         r = -ENOMEM;
@@ -1244,25 +1370,26 @@ static int mount_load_etc_fstab(Manager *m) {
                         int pri;
 
                         if ((pri = mount_find_pri(me->mnt_opts)) < 0)
-                                r = pri;
+                                k = pri;
                         else
-                                r = swap_add_one(m,
+                                k = swap_add_one(m,
                                                  what,
+                                                 NULL,
                                                  pri,
                                                  !!mount_test_option(me->mnt_opts, MNTOPT_NOAUTO),
+                                                 !!mount_test_option(me->mnt_opts, "nofail"),
                                                  !!mount_test_option(me->mnt_opts, "comment=systemd.swapon"),
                                                  false);
                 } else
-                        r = mount_add_one(m, what, where, me->mnt_opts, me->mnt_type, false, false);
+                        k = mount_add_one(m, what, where, me->mnt_opts, me->mnt_type, false, false);
 
                 free(what);
                 free(where);
 
                 if (r < 0)
-                        goto finish;
+                        r = k;
         }
 
-        r = 0;
 finish:
 
         endmntent(f);
@@ -1270,14 +1397,15 @@ finish:
 }
 
 static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {
-        int r;
+        int r = 0;
+        unsigned i;
         char *device, *path, *options, *options2, *fstype, *d, *p, *o;
 
         assert(m);
 
         rewind(m->proc_self_mountinfo);
 
-        for (;;) {
+        for (i = 1;; i++) {
                 int k;
 
                 device = path = options = options2 = fstype = d = p = o = NULL;
@@ -1290,7 +1418,7 @@ static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {
                                 "%ms "       /* (5) mount point */
                                 "%ms"        /* (6) mount options */
                                 "%*[^-]"     /* (7) optional fields */
-                                "- "         /* (8) seperator */
+                                "- "         /* (8) separator */
                                 "%ms "       /* (9) file system type */
                                 "%ms"        /* (10) mount source */
                                 "%ms"        /* (11) mount options 2 */
@@ -1304,8 +1432,8 @@ static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {
                         if (k == EOF)
                                 break;
 
-                        r = -EBADMSG;
-                        goto finish;
+                        log_warning("Failed to parse /proc/self/mountinfo:%u.", i);
+                        goto clean_up;
                 }
 
                 if (asprintf(&o, "%s,%s", options, options2) < 0) {
@@ -1319,9 +1447,10 @@ static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {
                         goto finish;
                 }
 
-                if ((r = mount_add_one(m, d, p, o, fstype, true, set_flags)) < 0)
-                        goto finish;
+                if ((k = mount_add_one(m, d, p, o, fstype, true, set_flags)) < 0)
+                        r = k;
 
+clean_up:
                 free(device);
                 free(path);
                 free(options);
@@ -1332,8 +1461,6 @@ static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {
                 free(o);
         }
 
-        r = 0;
-
 finish:
         free(device);
         free(path);
@@ -1401,7 +1528,7 @@ void mount_fd_event(Manager *m, int events) {
          * table changes */
 
         if ((r = mount_load_proc_self_mountinfo(m, true)) < 0) {
-                log_error("Failed to reread /proc/self/mountinfo: %s", strerror(errno));
+                log_error("Failed to reread /proc/self/mountinfo: %s", strerror(-r));
 
                 /* Reset flags, just in case, for later calls */
                 LIST_FOREACH(units_per_type, meta, m->units_per_type[UNIT_MOUNT]) {
@@ -1437,12 +1564,12 @@ void mount_fd_event(Manager *m, int events) {
 
                 } else if (mount->just_mounted || mount->just_changed) {
 
-                        /* New or changed entrymount */
+                        /* New or changed mount entry */
 
                         switch (mount->state) {
 
                         case MOUNT_DEAD:
-                        case MOUNT_MAINTENANCE:
+                        case MOUNT_FAILED:
                                 mount_enter_mounted(mount, true);
                                 break;
 
@@ -1466,55 +1593,15 @@ void mount_fd_event(Manager *m, int events) {
         }
 }
 
-int mount_path_is_mounted(Manager *m, const char* path) {
-        char *t;
-        int r;
+static void mount_reset_failed(Unit *u) {
+        Mount *m = MOUNT(u);
 
         assert(m);
-        assert(path);
-
-        if (path[0] != '/')
-                return 1;
-
-        if (!(t = strdup(path)))
-                return -ENOMEM;
-
-        path_kill_slashes(t);
-
-        for (;;) {
-                char *e, *slash;
-                Unit *u;
-
-                if (!(e = unit_name_from_path(t, ".mount"))) {
-                        r = -ENOMEM;
-                        goto finish;
-                }
-
-                u = manager_get_unit(m, e);
-                free(e);
-
-                if (u &&
-                    (MOUNT(u)->from_etc_fstab || MOUNT(u)->from_fragment) &&
-                    MOUNT(u)->state != MOUNT_MOUNTED) {
-                        r = 0;
-                        goto finish;
-                }
-
-                assert_se(slash = strrchr(t, '/'));
 
-                if (slash == t) {
-                        r = 1;
-                        goto finish;
-                }
-
-                *slash = 0;
-        }
-
-        r = 1;
+        if (m->state == MOUNT_FAILED)
+                mount_set_state(m, MOUNT_DEAD);
 
-finish:
-        free(t);
-        return r;
+        m->failure = false;
 }
 
 static const char* const mount_state_table[_MOUNT_STATE_MAX] = {
@@ -1530,7 +1617,7 @@ static const char* const mount_state_table[_MOUNT_STATE_MAX] = {
         [MOUNT_REMOUNTING_SIGKILL] = "remounting-sigkill",
         [MOUNT_UNMOUNTING_SIGTERM] = "unmounting-sigterm",
         [MOUNT_UNMOUNTING_SIGKILL] = "unmounting-sigkill",
-        [MOUNT_MAINTENANCE] = "maintenance"
+        [MOUNT_FAILED] = "failed"
 };
 
 DEFINE_STRING_TABLE_LOOKUP(mount_state, MountState);
@@ -1574,7 +1661,11 @@ const UnitVTable mount_vtable = {
         .sigchld_event = mount_sigchld_event,
         .timer_event = mount_timer_event,
 
+        .reset_failed = mount_reset_failed,
+
+        .bus_interface = "org.freedesktop.systemd1.Mount",
         .bus_message_handler = bus_mount_message_handler,
+        .bus_invalidating_properties =  bus_mount_invalidating_properties,
 
         .enumerate = mount_enumerate,
         .shutdown = mount_shutdown