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
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 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_target_links(Mount *m) {
const char *target, *after = NULL;
MountParameters *p;
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;
noauto = !!mount_test_option(p->options, MNTOPT_NOAUTO);
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)
}
}
-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;
int r;
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)
if (m->meta.manager->running_as == MANAGER_SYSTEM &&
!path_equal(m->where, "/")) {
+ MountParameters *p;
- if ((r = unit_add_dependency_by_name(UNIT(m), UNIT_BEFORE, SPECIAL_QUOTACHECK_SERVICE, NULL, true)) < 0)
- return r;
+ p = get_mount_parameters_configured(m);
+
+ 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 -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;
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 */
+ 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(
m->control_command,
/* 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"))
}
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) {