m->directory_mode = 0755;
exec_context_init(&m->exec_context);
- m->exec_context.std_output = EXEC_OUTPUT_KMSG;
+
+ /* The stdio/kmsg bridge socket is on /, in order to avoid a
+ * dep loop, don't use kmsg logging for -.mount */
+ if (!unit_has_name(u, "-.mount"))
+ m->exec_context.std_output = EXEC_OUTPUT_KMSG;
/* We need to make sure that /bin/mount is always called in
* the same process group as us, so that the autofs kernel
m->timer_watch.type = WATCH_INVALID;
m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
+
+ m->meta.ignore_on_isolate = true;
}
static void mount_unwatch_control_pid(Mount *m) {
unit_unwatch_timer(u, &m->timer_watch);
}
+static MountParameters* get_mount_parameters_configured(Mount *m) {
+ assert(m);
+
+ if (m->from_fragment)
+ return &m->parameters_fragment;
+ else if (m->from_etc_fstab)
+ return &m->parameters_etc_fstab;
+
+ return NULL;
+}
+
+static MountParameters* get_mount_parameters(Mount *m) {
+ assert(m);
+
+ if (m->from_proc_self_mountinfo)
+ return &m->parameters_proc_self_mountinfo;
+
+ return get_mount_parameters_configured(m);
+}
+
static int mount_add_mount_links(Mount *m) {
Meta *other;
int r;
assert(m);
- if (m->from_fragment)
- pm = &m->parameters_fragment;
- else if (m->from_etc_fstab)
- pm = &m->parameters_etc_fstab;
- else
- pm = NULL;
+ pm = get_mount_parameters_configured(m);
/* Adds in links to other mount points that might lie below or
* above us in the hierarchy */
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;
+ pn = get_mount_parameters_configured(n);
if (path_startswith(m->where, n->where)) {
if ((r = unit_add_dependency(UNIT(m), UNIT_AFTER, UNIT(n), true)) < 0)
return r;
- if (n->from_etc_fstab || n->from_fragment)
+ if (pn)
if ((r = unit_add_dependency(UNIT(m), UNIT_REQUIRES, UNIT(n), true)) < 0)
return r;
if ((r = unit_add_dependency(UNIT(n), UNIT_AFTER, UNIT(m), true)) < 0)
return r;
- if (m->from_etc_fstab || m->from_fragment)
+ if (pm)
if ((r = unit_add_dependency(UNIT(n), UNIT_REQUIRES, UNIT(m), true)) < 0)
return r;
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;
+ 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;
+ if ((r = unit_add_dependency(UNIT(n), UNIT_REQUIRES, UNIT(m), true)) < 0)
+ return r;
}
}
return hasmntopt(&me, needle);
}
-static int mount_add_target_links(Mount *m) {
+static bool mount_is_network(MountParameters *p) {
+ assert(p);
+
+ if (mount_test_option(p->options, "_netdev"))
+ return true;
+
+ if (p->fstype && fstype_is_network(p->fstype))
+ return true;
+
+ return false;
+}
+
+static bool mount_is_bind(MountParameters *p) {
+ assert(p);
+
+ if (mount_test_option(p->options, "bind"))
+ return true;
+
+ if (p->fstype && streq(p->fstype, "bind"))
+ return true;
+
+ return false;
+}
+
+static bool needs_quota(MountParameters *p) {
+ assert(p);
+
+ if (mount_is_network(p))
+ return false;
+
+ if (mount_is_bind(p))
+ return false;
+
+ return mount_test_option(p->options, "usrquota") ||
+ mount_test_option(p->options, "grpquota");
+}
+
+static int mount_add_fstab_links(Mount *m) {
const char *target, *after = NULL;
MountParameters *p;
Unit *tu;
assert(m);
- if (m->from_fragment)
- p = &m->parameters_fragment;
- else if (m->from_etc_fstab)
- p = &m->parameters_etc_fstab;
- else
+ if (m->meta.manager->running_as != MANAGER_SYSTEM)
+ return 0;
+
+ if (!(p = get_mount_parameters_configured(m)))
return 0;
- noauto = !!mount_test_option(p->options, MNTOPT_NOAUTO);
+ if (p != &m->parameters_etc_fstab)
+ return 0;
+
+ noauto = !!mount_test_option(p->options, "noauto");
nofail = !!mount_test_option(p->options, "nofail");
+ automount =
+ mount_test_option(p->options, "comment=systemd.automount") ||
+ mount_test_option(p->options, "x-systemd-automount");
handle =
+ automount ||
mount_test_option(p->options, "comment=systemd.mount") ||
mount_test_option(p->options, "x-systemd-mount") ||
m->meta.manager->mount_auto;
- automount =
- mount_test_option(p->options, "comment=systemd.automount") ||
- mount_test_option(p->options, "x-systemd-automount");
- if (mount_test_option(p->options, "_netdev") ||
- (p->fstype && fstype_is_network(p->fstype))) {
+ if (mount_is_network(p)) {
target = SPECIAL_REMOTE_FS_TARGET;
-
- if (m->meta.manager->running_as == MANAGER_SYSTEM)
- after = SPECIAL_NETWORK_TARGET;
+ after = SPECIAL_NETWORK_TARGET;
} else
target = SPECIAL_LOCAL_FS_TARGET;
+ if (!path_equal(m->where, "/"))
+ if ((r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0)
+ return r;
+
if ((r = manager_load_unit(m->meta.manager, target, NULL, NULL, &tu)) < 0)
return r;
if ((r = unit_add_dependency_by_name(UNIT(m), UNIT_AFTER, after, NULL, true)) < 0)
return r;
- if (automount && m->meta.manager->running_as == MANAGER_SYSTEM) {
+ if (automount) {
Unit *am;
if ((r = unit_load_related_unit(UNIT(m), ".automount", &am)) < 0)
return r;
- return unit_add_two_dependencies(tu, UNIT_AFTER, UNIT_WANTS, UNIT(am), true);
- } else {
-
- /* Automatically add mount points that aren't natively
- * configured to local-fs.target */
- if (!noauto &&
- !nofail &&
- handle &&
- m->from_etc_fstab &&
- m->meta.manager->running_as == MANAGER_SYSTEM)
+ /* If auto is configured as well also pull in the
+ * mount right-away, but don't rely on it. */
+ if (!noauto) /* automount + auto */
if ((r = unit_add_dependency(tu, UNIT_WANTS, UNIT(m), true)) < 0)
return r;
- return unit_add_dependency(UNIT(m), UNIT_BEFORE, tu, true);
- }
-}
+ /* Install automount unit */
+ if (!nofail) /* automount + fail */
+ return unit_add_two_dependencies(tu, UNIT_AFTER, UNIT_REQUIRES, UNIT(am), true);
+ else /* automount + nofail */
+ return unit_add_two_dependencies(tu, UNIT_AFTER, UNIT_WANTS, UNIT(am), true);
-static bool mount_is_bind(MountParameters *p) {
- assert(p);
+ } else if (handle && !noauto) {
- if (p->fstype && streq(p->fstype, "bind"))
- return true;
+ /* Automatically add mount points that aren't natively
+ * configured to local-fs.target */
- if (mount_test_option(p->options, "bind"))
- return true;
+ if (!nofail) /* auto + fail */
+ return unit_add_two_dependencies(tu, UNIT_AFTER, UNIT_REQUIRES, UNIT(m), true);
+ else /* auto + nofail */
+ return unit_add_dependency(tu, UNIT_WANTS, UNIT(m), true);
+ }
- return false;
+ return 0;
}
static int mount_add_device_links(Mount *m) {
assert(m);
- if (m->from_fragment)
- p = &m->parameters_fragment;
- else if (m->from_etc_fstab)
- p = &m->parameters_etc_fstab;
- else
+ if (!(p = get_mount_parameters_configured(m)))
return 0;
if (!p->what)
return 0;
- if (!mount_is_bind(p) && !path_equal(m->where, "/")) {
+ if (!mount_is_bind(p) &&
+ !path_equal(m->where, "/") &&
+ p == &m->parameters_etc_fstab) {
bool nofail, noauto;
- noauto = !!mount_test_option(p->options, MNTOPT_NOAUTO);
+ noauto = !!mount_test_option(p->options, "noauto");
nofail = !!mount_test_option(p->options, "nofail");
if ((r = unit_add_node_link(UNIT(m), p->what,
!path_equal(m->where, "/")) {
MountParameters *p;
- if (m->from_fragment)
- p = &m->parameters_fragment;
- else if (m->from_etc_fstab)
- p = &m->parameters_etc_fstab;
- else
- p = NULL;
+ p = get_mount_parameters_configured(m);
- if (!p ||
- (!mount_test_option(p->options, "_netdev") &&
- !(p->fstype && fstype_is_network(p->fstype)) &&
- (mount_test_option(p->options, "usrquota") || mount_test_option(p->options, "grpquota"))))
+ if (p && needs_quota(p)) {
if ((r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_WANTS, SPECIAL_QUOTACHECK_SERVICE, NULL, true)) < 0 ||
(r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_WANTS, SPECIAL_QUOTAON_SERVICE, NULL, true)) < 0)
return r;
+ }
if ((r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0)
return r;
return 0;
}
+static int mount_fix_timeouts(Mount *m) {
+ MountParameters *p;
+ const char *timeout = NULL;
+ Unit *other;
+ Iterator i;
+ usec_t u;
+ char *t;
+ int r;
+
+ assert(m);
+
+ if (!(p = get_mount_parameters_configured(m)))
+ return 0;
+
+ /* Allow configuration how long we wait for a device that
+ * backs a mount point to show up. This is useful to support
+ * endless device timeouts for devices that show up only after
+ * user input, like crypto devices. */
+
+ if ((timeout = mount_test_option(p->options, "comment=systemd.device-timeout")))
+ timeout += 31;
+ else if ((timeout = mount_test_option(p->options, "x-systemd-device-timeout")))
+ timeout += 25;
+ else
+ return 0;
+
+ t = strndup(timeout, strcspn(timeout, ",;" WHITESPACE));
+ if (!t)
+ return -ENOMEM;
+
+ r = parse_usec(t, &u);
+ free(t);
+
+ if (r < 0) {
+ log_warning("Failed to parse timeout for %s, ignoring: %s", m->where, timeout);
+ return r;
+ }
+
+ SET_FOREACH(other, m->meta.dependencies[UNIT_AFTER], i) {
+ if (other->meta.type != UNIT_DEVICE)
+ continue;
+
+ other->meta.job_timeout = u;
+ }
+
+ return 0;
+}
+
static int mount_verify(Mount *m) {
bool b;
char *e;
return -EINVAL;
}
+ if (mount_point_is_api(m->where) || mount_point_ignore(m->where)) {
+ log_error("Cannot create mount unit for API file system %s. Refusing.", m->where);
+ return -EINVAL;
+ }
+
if (m->meta.fragment_path && !m->parameters_fragment.what) {
log_error("%s's What setting is missing. Refusing.", m->meta.id);
return -EBADMSG;
if (m->meta.fragment_path)
m->from_fragment = true;
+ else if (m->from_etc_fstab)
+ m->meta.default_dependencies = false;
if (!m->where)
if (!(m->where = unit_name_to_path(u->meta.id)))
if ((r = mount_add_automount_links(m)) < 0)
return r;
- if ((r = mount_add_target_links(m)) < 0)
- return r;
-
- if ((r = unit_add_default_cgroups(u)) < 0)
+ if ((r = mount_add_fstab_links(m)) < 0)
return r;
if (m->meta.default_dependencies)
if ((r = mount_add_default_dependencies(m)) < 0)
return r;
+
+ if ((r = unit_add_default_cgroups(u)) < 0)
+ return r;
+
+ mount_fix_timeouts(m);
}
return mount_verify(m);
assert(m);
assert(f);
- if (m->from_proc_self_mountinfo)
- p = &m->parameters_proc_self_mountinfo;
- else if (m->from_fragment)
- p = &m->parameters_fragment;
- else
- p = &m->parameters_etc_fstab;
+ p = get_mount_parameters(m);
fprintf(f,
"%sMount State: %s\n"
state == MOUNT_REMOUNTING_SIGTERM) ? m->exec_context.kill_signal : SIGKILL;
if (m->control_pid > 0) {
- if (kill_and_sigcont(m->exec_context.kill_mode == KILL_PROCESS_GROUP ?
- -m->control_pid :
- m->control_pid, sig) < 0 && errno != ESRCH)
+ if (kill_and_sigcont(m->control_pid, sig) < 0 && errno != ESRCH)
log_warning("Failed to kill control process %li: %m", (long) m->control_pid);
else
wait_for_exit = true;
set_free(pid_set);
+ pid_set = NULL;
}
}
static void mount_enter_mounting(Mount *m) {
int r;
+ MountParameters *p;
assert(m);
mkdir_p(m->where, m->directory_mode);
- /* create the source directory for bind-mounts if needed */
- if (m->parameters_fragment.fstype && strcmp(m->parameters_fragment.fstype, "bind") == 0)
- mkdir_p(m->parameters_fragment.what, m->directory_mode);
+ /* Create the source directory for bind-mounts if needed */
+ p = get_mount_parameters_configured(m);
+ if (p && mount_is_bind(p))
+ mkdir_p(p->what, m->directory_mode);
if (m->from_fragment)
r = exec_command_set(
/* Ignore API mount points. They should never be referenced in
* dependencies ever. */
- if (mount_point_is_api(where))
- return 0;
- if (mount_point_ignore(where))
+ if (mount_point_is_api(where) || mount_point_ignore(where))
return 0;
if (streq(fstype, "autofs"))
what,
NULL,
pri,
- !!mount_test_option(me->mnt_opts, MNTOPT_NOAUTO),
+ !!mount_test_option(me->mnt_opts, "noauto"),
!!mount_test_option(me->mnt_opts, "nofail"),
!!mount_test_option(me->mnt_opts, "comment=systemd.swapon"),
false);
}
if (m->control_pid > 0)
- if (kill(mode == KILL_PROCESS_GROUP ? -m->control_pid : m->control_pid, signo) < 0)
+ if (kill(m->control_pid, signo) < 0)
r = -errno;
if (mode == KILL_CONTROL_GROUP) {
.no_alias = true,
.no_instances = true,
- .no_isolate = true,
.show_status = true,
.init = mount_init,