#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,
m->directory_mode = 0755;
exec_context_init(&m->exec_context);
+ 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
* already trying to comply its last one. */
m->exec_context.same_pgrp = true;
- /* Make sure we unmount when the devices we require go away */
- m->meta.stop_retroactively = true;
-
m->timer_watch.type = WATCH_INVALID;
m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
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_per_type, other, m->meta.manager->units_per_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 */
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;
Unit *tu;
int r;
- bool noauto, handle, automount;
+ bool noauto, nofail, handle, automount;
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);
- handle = !!mount_test_option(p->options, "comment=systemd.mount") ||
+ nofail = !!mount_test_option(p->options, "nofail");
+ handle =
+ 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");
+ 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)
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) {
/* 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)
}
}
-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 (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 ((r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0)
+ 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;
/* 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;
if ((r = mount_add_target_links(m)) < 0)
return r;
- if ((r = unit_add_default_cgroup(u)) < 0)
+ if ((r = unit_add_default_cgroups(u)) < 0)
return r;
if (m->meta.default_dependencies)
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) {
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"))
return r;
}
-static char *fstab_node_to_udev_node(char *p) {
- char *dn, *t, *u;
- int r;
-
- /* FIXME: to follow udev's logic 100% we need to leave valid
- * UTF8 chars unescaped */
-
- if (startswith(p, "LABEL=")) {
-
- if (!(u = unquote(p+6, "\"\'")))
- return NULL;
-
- t = xescape(u, "/ ");
- free(u);
-
- if (!t)
- return NULL;
-
- r = asprintf(&dn, "/dev/disk/by-label/%s", t);
- free(t);
-
- if (r < 0)
- return NULL;
-
- return dn;
- }
-
- if (startswith(p, "UUID=")) {
-
- if (!(u = unquote(p+5, "\"\'")))
- return NULL;
-
- t = xescape(u, "/ ");
- free(u);
-
- if (!t)
- return NULL;
-
- r = asprintf(&dn, "/dev/disk/by-uuid/%s", ascii_strlower(t));
- free(t);
-
- if (r < 0)
- return NULL;
-
- return dn;
- }
-
- return strdup(p);
-}
-
static int mount_find_pri(char *options) {
char *end, *pri;
unsigned long r;
}
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) {
goto finish;
}
- if ((q = cgroup_bonding_kill_list(m->meta.cgroup_bondings, signo, pid_set)) < 0)
+ if ((q = cgroup_bonding_kill_list(m->meta.cgroup_bondings, signo, false, pid_set)) < 0)
if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
r = q;
}
~ianmdlvl / elogind.git / blobdiff