chiark / gitweb /
core: add transient units
[elogind.git] / src / core / mount.c
index 10073b5..3cc3e65 100644 (file)
@@ -82,6 +82,7 @@ static void mount_init(Unit *u) {
         }
 
         kill_context_init(&m->kill_context);
+        cgroup_context_init(&m->cgroup_context);
 
         /* We need to make sure that /bin/mount is always called in
          * the same process group as us, so that the autofs kernel
@@ -127,6 +128,7 @@ static void mount_done(Unit *u) {
         mount_parameters_done(&m->parameters_proc_self_mountinfo);
         mount_parameters_done(&m->parameters_fragment);
 
+        cgroup_context_done(&m->cgroup_context);
         exec_context_done(&m->exec_context, manager_is_reloading_or_reexecuting(u->manager));
         exec_command_done_array(m->exec_command, _MOUNT_EXEC_COMMAND_MAX);
         m->control_command = NULL;
@@ -647,7 +649,7 @@ static int mount_add_extras(Mount *m) {
                         return r;
         }
 
-        r = unit_add_default_cgroups(u);
+        r = unit_add_default_slice(u);
         if (r < 0)
                 return r;
 
@@ -844,28 +846,31 @@ static int mount_spawn(Mount *m, ExecCommand *c, pid_t *_pid) {
         assert(c);
         assert(_pid);
 
+        unit_realize_cgroup(UNIT(m));
+
         r = unit_watch_timer(UNIT(m), CLOCK_MONOTONIC, true, m->timeout_usec, &m->timer_watch);
         if (r < 0)
                 goto fail;
 
-        if ((r = exec_spawn(c,
-                            NULL,
-                            &m->exec_context,
-                            NULL, 0,
-                            UNIT(m)->manager->environment,
-                            true,
-                            true,
-                            true,
-                            UNIT(m)->manager->confirm_spawn,
-                            UNIT(m)->cgroup_bondings,
-                            UNIT(m)->cgroup_attributes,
-                            NULL,
-                            UNIT(m)->id,
-                            NULL,
-                            &pid)) < 0)
+        r = exec_spawn(c,
+                       NULL,
+                       &m->exec_context,
+                       NULL, 0,
+                       UNIT(m)->manager->environment,
+                       true,
+                       true,
+                       true,
+                       UNIT(m)->manager->confirm_spawn,
+                       UNIT(m)->cgroup_mask,
+                       UNIT(m)->cgroup_path,
+                       UNIT(m)->id,
+                       NULL,
+                       &pid);
+        if (r < 0)
                 goto fail;
 
-        if ((r = unit_watch_pid(UNIT(m), pid)) < 0)
+        r = unit_watch_pid(UNIT(m), pid);
+        if (r < 0)
                 /* FIXME: we need to do something here */
                 goto fail;
 
@@ -1538,9 +1543,11 @@ static int mount_add_one(
                 if (r < 0)
                         goto fail;
 
-                r = unit_add_dependency_by_name(u, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true);
-                if (r < 0)
-                        goto fail;
+                if (!path_equal(where, "/")) {
+                        r = unit_add_dependency_by_name(u, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true);
+                        if (r < 0)
+                                goto fail;
+                }
 
                 unit_add_to_load_queue(u);
         } else {
@@ -1555,7 +1562,7 @@ static int mount_add_one(
                         }
                 }
 
-                if (u->load_state == UNIT_ERROR) {
+                if (u->load_state == UNIT_NOT_FOUND) {
                         u->load_state = UNIT_LOADED;
                         u->load_error = 0;
 
@@ -1872,8 +1879,9 @@ const UnitVTable mount_vtable = {
                 "Mount\0"
                 "Install\0",
 
+        .private_section = "Mount",
         .exec_context_offset = offsetof(Mount, exec_context),
-        .exec_section = "Mount",
+        .cgroup_context_offset = offsetof(Mount, cgroup_context),
 
         .no_alias = true,
         .no_instances = true,
@@ -1908,6 +1916,8 @@ const UnitVTable mount_vtable = {
         .bus_interface = "org.freedesktop.systemd1.Mount",
         .bus_message_handler = bus_mount_message_handler,
         .bus_invalidating_properties =  bus_mount_invalidating_properties,
+        .bus_set_property = bus_mount_set_property,
+        .bus_commit_properties = bus_mount_commit_properties,
 
         .enumerate = mount_enumerate,
         .shutdown = mount_shutdown,