X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fmount.c;h=d651e8714bb2115abf8b16e15fc75f2fc2f44cb3;hp=ac33787e61e42c8307a3386419dcc7056b566a1d;hb=c68364b790d1a13ef1df0e2fbb99ded6d67e60e3;hpb=11ce3427242b8b4ddf638ed5703d69041d719b4c

diff --git a/src/mount.c b/src/mount.c
index ac33787e6..d651e8714 100644
--- a/src/mount.c
+++ b/src/mount.c
@@ -50,7 +50,7 @@ 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) {
@@ -244,7 +244,8 @@ 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") ||
@@ -265,7 +266,11 @@ 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 +279,30 @@ static int mount_add_target_links(Mount *m) {
         }
 }
 
+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;
+
+        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;
 
@@ -361,9 +390,8 @@ static int mount_load(Unit *u) {
                 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;
@@ -440,7 +468,7 @@ 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)
@@ -580,7 +608,7 @@ 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) {
@@ -594,7 +622,8 @@ 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);
 
@@ -606,26 +635,39 @@ static void mount_enter_signal(Mount *m, MountState state, bool success) {
                            state == MOUNT_UNMOUNTING_SIGTERM ||
                            state == MOUNT_REMOUNTING_SIGTERM) ? m->exec_context.kill_signal : SIGKILL;
 
-                if (m->exec_context.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->exec_context.kill_mode == KILL_PROCESS ?
-                                 m->control_pid :
-                                 -m->control_pid, sig) < 0 && errno != ESRCH) {
+                if (m->exec_context.kill_mode == KILL_CONTROL_GROUP) {
 
-                                r = -errno;
+                        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;
 
@@ -644,6 +686,9 @@ 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) {
@@ -811,7 +856,7 @@ static int mount_start(Unit *u) {
             m->state == MOUNT_MOUNTING_SIGKILL)
                 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);
@@ -1286,6 +1331,7 @@ static int mount_load_etc_fstab(Manager *m) {
                                                  what,
                                                  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
@@ -1478,7 +1524,7 @@ void mount_fd_event(Manager *m, int events) {
                         switch (mount->state) {
 
                         case MOUNT_DEAD:
-                        case MOUNT_MAINTENANCE:
+                        case MOUNT_FAILED:
                                 mount_enter_mounted(mount, true);
                                 break;
 
@@ -1502,12 +1548,12 @@ void mount_fd_event(Manager *m, int events) {
         }
 }
 
-static void mount_reset_maintenance(Unit *u) {
+static void mount_reset_failed(Unit *u) {
         Mount *m = MOUNT(u);
 
         assert(m);
 
-        if (m->state == MOUNT_MAINTENANCE)
+        if (m->state == MOUNT_FAILED)
                 mount_set_state(m, MOUNT_DEAD);
 
         m->failure = false;
@@ -1526,7 +1572,7 @@ 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);
@@ -1570,7 +1616,7 @@ const UnitVTable mount_vtable = {
         .sigchld_event = mount_sigchld_event,
         .timer_event = mount_timer_event,
 
-        .reset_maintenance = mount_reset_maintenance,
+        .reset_failed = mount_reset_failed,
 
         .bus_interface = "org.freedesktop.systemd1.Mount",
         .bus_message_handler = bus_mount_message_handler,