#include "dbus-mount.h"
#include "special.h"
#include "bus-errors.h"
+#include "exit-status.h"
+#include "def.h"
static const UnitActiveState state_translation_table[_MOUNT_STATE_MAX] = {
[MOUNT_DEAD] = UNIT_INACTIVE,
exec_context_init(&m->exec_context);
+ /* 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
* side doesn't send us another mount request while we are
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) {
static void mount_done(Unit *u) {
Mount *m = MOUNT(u);
+ Meta *other;
assert(m);
free(m->where);
m->where = NULL;
+ /* Try to detach us from the automount unit if there is any */
+ LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_AUTOMOUNT]) {
+ Automount *a = (Automount*) other;
+
+ if (a->mount == m)
+ a->mount = NULL;
+ }
+
mount_parameters_done(&m->parameters_etc_fstab);
mount_parameters_done(&m->parameters_proc_self_mountinfo);
mount_parameters_done(&m->parameters_fragment);
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 */
- LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_MOUNT]) {
+ LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_MOUNT]) {
Mount *n = (Mount*) other;
MountParameters *pn;
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;
}
}
assert(m);
- LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_SWAP])
+ LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_SWAP])
if ((r = swap_add_one_mount_link((Swap*) other, m)) < 0)
return r;
assert(m);
- LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_PATH])
+ LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_PATH])
if ((r = path_add_one_mount_link((Path*) other, m)) < 0)
return r;
assert(m);
- LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_AUTOMOUNT])
+ LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_AUTOMOUNT])
if ((r = automount_add_one_mount_link((Automount*) other, m)) < 0)
return r;
assert(m);
- LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_SOCKET])
+ LIST_FOREACH(units_by_type, other, m->meta.manager->units_by_type[UNIT_SOCKET])
if ((r = socket_add_one_mount_link((Socket*) other, m)) < 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;
+
+ if (p != &m->parameters_etc_fstab)
return 0;
- noauto = !!mount_test_option(p->options, MNTOPT_NOAUTO);
+ noauto = !!mount_test_option(p->options, "noauto");
nofail = !!mount_test_option(p->options, "nofail");
- handle = !!mount_test_option(p->options, "comment=systemd.mount") ||
+ 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");
- 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 (after)
- if ((r = unit_add_dependency_by_name(tu, UNIT_AFTER, after, NULL, true)) < 0)
+ 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,
}
if (p->passno > 0 &&
+ !mount_is_bind(p) &&
UNIT(m)->meta.manager->running_as == MANAGER_SYSTEM &&
!path_equal(m->where, "/")) {
char *name;
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 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;
/* This is a new unit? Then let's add in some extras */
if (u->meta.load_state == UNIT_LOADED) {
+ if ((r = unit_add_exec_dependencies(u, &m->exec_context)) < 0)
+ return r;
+
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_cgroup(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);
mount_state_to_string(old_state),
mount_state_to_string(state));
- unit_notify(UNIT(m), state_translation_table[old_state], state_translation_table[state]);
+ unit_notify(UNIT(m), state_translation_table[old_state], state_translation_table[state], !m->reload_failure);
+ m->reload_failure = false;
}
static int mount_coldplug(Unit *u) {
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(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
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 = cgroup_bonding_kill_list(m->meta.cgroup_bondings, sig, true, 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);
+ 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,
fail:
log_warning("%s failed to run 'remount' task: %s", m->meta.id, strerror(-r));
- mount_enter_mounted(m, false);
+ m->reload_failure = true;
+ mount_enter_mounted(m, true);
}
static int mount_start(Unit *u) {
m->failure = m->failure || !success;
if (m->control_command) {
- exec_status_exit(&m->control_command->exec_status, pid, code, status, m->exec_context.utmp_id);
+ exec_status_exit(&m->control_command->exec_status, &m->exec_context, pid, code, status);
m->control_command = NULL;
m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
}
case MOUNT_MOUNTING_DONE:
case MOUNT_MOUNTING_SIGKILL:
case MOUNT_MOUNTING_SIGTERM:
- case MOUNT_REMOUNTING:
- case MOUNT_REMOUNTING_SIGKILL:
- case MOUNT_REMOUNTING_SIGTERM:
if (success)
mount_enter_mounted(m, true);
mount_enter_dead(m, false);
break;
+ case MOUNT_REMOUNTING:
+ case MOUNT_REMOUNTING_SIGKILL:
+ case MOUNT_REMOUNTING_SIGTERM:
+
+ m->reload_failure = !success;
+ if (m->from_proc_self_mountinfo)
+ mount_enter_mounted(m, true);
+ else
+ mount_enter_dead(m, true);
+
+ break;
+
case MOUNT_UNMOUNTING:
case MOUNT_UNMOUNTING_SIGKILL:
case MOUNT_UNMOUNTING_SIGTERM:
case MOUNT_REMOUNTING:
log_warning("%s remounting timed out. Stopping.", u->meta.id);
- mount_enter_signal(m, MOUNT_REMOUNTING_SIGTERM, false);
+ m->reload_failure = true;
+ mount_enter_mounted(m, true);
break;
case MOUNT_UNMOUNTING:
break;
case MOUNT_MOUNTING_SIGTERM:
- log_warning("%s mounting timed out. Killing.", u->meta.id);
- mount_enter_signal(m, MOUNT_MOUNTING_SIGKILL, false);
+ if (m->exec_context.send_sigkill) {
+ log_warning("%s mounting timed out. Killing.", u->meta.id);
+ mount_enter_signal(m, MOUNT_MOUNTING_SIGKILL, false);
+ } else {
+ log_warning("%s mounting timed out. Skipping SIGKILL. Ignoring.", u->meta.id);
+
+ if (m->from_proc_self_mountinfo)
+ mount_enter_mounted(m, false);
+ else
+ mount_enter_dead(m, false);
+ }
break;
case MOUNT_REMOUNTING_SIGTERM:
- log_warning("%s remounting timed out. Killing.", u->meta.id);
- mount_enter_signal(m, MOUNT_REMOUNTING_SIGKILL, false);
+ if (m->exec_context.send_sigkill) {
+ log_warning("%s remounting timed out. Killing.", u->meta.id);
+ mount_enter_signal(m, MOUNT_REMOUNTING_SIGKILL, false);
+ } else {
+ log_warning("%s remounting timed out. Skipping SIGKILL. Ignoring.", u->meta.id);
+
+ if (m->from_proc_self_mountinfo)
+ mount_enter_mounted(m, false);
+ else
+ mount_enter_dead(m, false);
+ }
break;
case MOUNT_UNMOUNTING_SIGTERM:
- log_warning("%s unmounting timed out. Killing.", u->meta.id);
- mount_enter_signal(m, MOUNT_UNMOUNTING_SIGKILL, false);
+ if (m->exec_context.send_sigkill) {
+ log_warning("%s unmounting timed out. Killing.", u->meta.id);
+ mount_enter_signal(m, MOUNT_UNMOUNTING_SIGKILL, false);
+ } else {
+ log_warning("%s unmounting timed out. Skipping SIGKILL. Ignoring.", u->meta.id);
+
+ if (m->from_proc_self_mountinfo)
+ mount_enter_mounted(m, false);
+ else
+ mount_enter_dead(m, false);
+ }
break;
case MOUNT_MOUNTING_SIGKILL:
/* Ignore API mount points. They should never be referenced in
* dependencies ever. */
- if (mount_point_is_api(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);
log_error("Failed to reread /proc/self/mountinfo: %s", strerror(-r));
/* Reset flags, just in case, for later calls */
- LIST_FOREACH(units_per_type, meta, m->units_per_type[UNIT_MOUNT]) {
+ LIST_FOREACH(units_by_type, meta, m->units_by_type[UNIT_MOUNT]) {
Mount *mount = (Mount*) meta;
mount->is_mounted = mount->just_mounted = mount->just_changed = false;
manager_dispatch_load_queue(m);
- LIST_FOREACH(units_per_type, meta, m->units_per_type[UNIT_MOUNT]) {
+ LIST_FOREACH(units_by_type, meta, m->units_by_type[UNIT_MOUNT]) {
Mount *mount = (Mount*) meta;
if (!mount->is_mounted) {
return -ENOENT;
}
- if (m->control_pid > 0)
- if (kill(mode == KILL_PROCESS_GROUP ? -m->control_pid : m->control_pid, signo) < 0)
- r = -errno;
+ if (who == KILL_CONTROL || who == KILL_ALL)
+ if (m->control_pid > 0)
+ if (kill(m->control_pid, signo) < 0)
+ r = -errno;
- if (mode == KILL_CONTROL_GROUP) {
+ if (who == KILL_ALL && mode == KILL_CONTROL_GROUP) {
int q;
if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func)))
goto finish;
}
- if ((q = cgroup_bonding_kill_list(m->meta.cgroup_bondings, signo, pid_set)) < 0)
- if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
+ if ((q = cgroup_bonding_kill_list(m->meta.cgroup_bondings, signo, false, pid_set)) < 0)
+ if (q != -EAGAIN && q != -ESRCH && q != -ENOENT)
r = q;
}
.no_alias = true,
.no_instances = true,
- .no_isolate = true,
.show_status = true,
.init = mount_init,
~ianmdlvl / elogind.git / blobdiff