free(s->parameters_fragment.what);
s->parameters_fragment.what = NULL;
- free(s->parameters_fragment.discard);
- s->parameters_fragment.discard = NULL;
+ free(s->parameters_fragment.options);
+ s->parameters_fragment.options = NULL;
s->exec_runtime = exec_runtime_unref(s->exec_runtime);
exec_command_done_array(s->exec_command, _SWAP_EXEC_COMMAND_MAX);
}
static int swap_add_device_links(Swap *s) {
- SwapParameters *p;
-
assert(s);
if (!s->what)
return 0;
- if (s->from_fragment)
- p = &s->parameters_fragment;
- else
+ if (!s->from_fragment)
return 0;
if (is_device_path(s->what))
- return unit_add_node_link(UNIT(s), s->what, !p->noauto && UNIT(s)->manager->running_as == SYSTEMD_SYSTEM);
+ return unit_add_node_link(UNIT(s), s->what, UNIT(s)->manager->running_as == SYSTEMD_SYSTEM);
else
/* File based swap devices need to be ordered after
* systemd-remount-fs.service, since they might need a
}
static int swap_add_default_dependencies(Swap *s) {
- bool nofail = false, noauto = false;
int r;
assert(s);
if (r < 0)
return r;
- if (s->from_fragment) {
- SwapParameters *p = &s->parameters_fragment;
-
- nofail = p->nofail;
- noauto = p->noauto;
- }
-
- if (!noauto) {
- if (nofail)
- r = unit_add_dependency_by_name_inverse(UNIT(s), UNIT_WANTS, SPECIAL_SWAP_TARGET, NULL, true);
- else
- r = unit_add_two_dependencies_by_name_inverse(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SWAP_TARGET, NULL, true);
- if (r < 0)
- return r;
- }
+ if (!s->from_fragment)
+ /* The swap unit can either be for an alternative device name, in which
+ * case we don't need to add the dependency on swap.target because this unit
+ * is following a different unit which will have this dependency added,
+ * or it can be derived from /proc/swaps, in which case it was started
+ * manually, and should not become a dependency of swap.target. */
+ return 0;
- return 0;
+ return unit_add_two_dependencies_by_name_inverse(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SWAP_TARGET, NULL, true);
}
static int swap_verify(Swap *s) {
const char *what,
const char *what_proc_swaps,
int priority,
- bool noauto,
- bool nofail,
bool set_flags) {
_cleanup_free_ char *e = NULL;
SWAP(u)->from_proc_swaps = true;
p->priority = priority;
- p->noauto = noauto;
- p->nofail = nofail;
unit_add_to_dbus_queue(u);
assert(m);
- r = swap_add_one(m, device, device, prio, false, false, set_flags);
+ r = swap_add_one(m, device, device, prio, set_flags);
if (r < 0)
return r;
/* Add the main device node */
dn = udev_device_get_devnode(d);
if (dn && !streq(dn, device))
- swap_add_one(m, dn, device, prio, false, false, set_flags);
+ swap_add_one(m, dn, device, prio, set_flags);
/* Add additional units for all symlinks */
first = udev_device_get_devlinks_list_entry(d);
st.st_rdev != udev_device_get_devnum(d))
continue;
- swap_add_one(m, p, device, prio, false, false, set_flags);
+ swap_add_one(m, p, device, prio, set_flags);
}
return r;
if (p)
fprintf(f,
"%sPriority: %i\n"
- "%sNoAuto: %s\n"
- "%sNoFail: %s\n"
- "%sDiscard: %s\n",
+ "%sOptions: %s\n",
prefix, p->priority,
- prefix, yes_no(p->noauto),
- prefix, yes_no(p->nofail),
- prefix, p->discard ?: "none");
+ prefix, strempty(p->options));
if (s->control_pid > 0)
fprintf(f,
exec_params.confirm_spawn = UNIT(s)->manager->confirm_spawn;
exec_params.cgroup_supported = UNIT(s)->manager->cgroup_supported;
exec_params.cgroup_path = UNIT(s)->cgroup_path;
+ exec_params.cgroup_delegate = s->cgroup_context.delegate;
exec_params.runtime_prefix = manager_get_runtime_prefix(UNIT(s)->manager);
exec_params.unit_id = UNIT(s)->id;
r = unit_kill_context(
UNIT(s),
&s->kill_context,
- state != SWAP_ACTIVATING_SIGTERM && state != SWAP_DEACTIVATING_SIGTERM,
+ (state != SWAP_ACTIVATING_SIGTERM && state != SWAP_DEACTIVATING_SIGTERM) ?
+ KILL_KILL : KILL_TERMINATE,
-1,
s->control_pid,
false);
swap_enter_dead(s, SWAP_FAILURE_RESOURCES);
}
+static int mount_find_pri(const char *options, int *ret) {
+ const char *opt;
+ char *end;
+ unsigned long r;
+
+ assert(ret);
+
+ if (!options)
+ return 0;
+
+ opt = mount_test_option(options, "pri");
+ if (!opt)
+ return 0;
+
+ opt += strlen("pri");
+ if (*opt != '=')
+ return -EINVAL;
+
+ errno = 0;
+ r = strtoul(opt + 1, &end, 10);
+ if (errno > 0)
+ return -errno;
+
+ if (end == opt + 1 || (*end != ',' && *end != 0))
+ return -EINVAL;
+
+ *ret = (int) r;
+ return 1;
+}
+
+static int mount_find_discard(const char *options, char **ret) {
+ const char *opt;
+ char *ans;
+ size_t len;
+
+ assert(ret);
+
+ if (!options)
+ return 0;
+
+ opt = mount_test_option(options, "discard");
+ if (!opt)
+ return 0;
+
+ opt += strlen("discard");
+ if (*opt == ',' || *opt == '\0')
+ ans = strdup("all");
+ else {
+ if (*opt != '=')
+ return -EINVAL;
+
+ len = strcspn(opt + 1, ",");
+ if (len == 0)
+ return -EINVAL;
+
+ ans = strndup(opt + 1, len);
+ }
+
+ if (!ans)
+ return -ENOMEM;
+
+ *ret = ans;
+ return 1;
+}
+
static void swap_enter_activating(Swap *s) {
- int r, priority;
- char *discard;
+ _cleanup_free_ char *discard = NULL;
+ int r, priority = -1;
assert(s);
s->control_command = s->exec_command + SWAP_EXEC_ACTIVATE;
if (s->from_fragment) {
+ mount_find_discard(s->parameters_fragment.options, &discard);
+
priority = s->parameters_fragment.priority;
- discard = s->parameters_fragment.discard;
- } else {
- priority = -1;
- discard = NULL;
+ if (priority < 0)
+ mount_find_pri(s->parameters_fragment.options, &priority);
}
r = exec_command_set(s->control_command, "/sbin/swapon", NULL);
}
if (discard && !streq(discard, "none")) {
- const char *discard_arg = "--discard";
+ const char *discard_arg;
- if (!streq(discard, "all"))
+ if (streq(discard, "all"))
+ discard_arg = "--discard";
+ else
discard_arg = strappenda("--discard=", discard);
r = exec_command_append(s->control_command, discard_arg, NULL);