X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fmount.c;h=3fc0f1371657f689687e5029cf10f5905187e8d1;hp=5aa51dec5399352c69fd1867305882ffcce6d4f5;hb=f1a1cd6497a970a8744b6d71cf5355fa9f75669c;hpb=b65a25f256505165660ab388d53446be17021d55

diff --git a/src/mount.c b/src/mount.c
index 5aa51dec5..3fc0f1371 100644
--- a/src/mount.c
+++ b/src/mount.c
@@ -35,6 +35,7 @@
 #include "unit-name.h"
 #include "dbus-mount.h"
 #include "special.h"
+#include "bus-errors.h"
 
 static const UnitActiveState state_translation_table[_MOUNT_STATE_MAX] = {
         [MOUNT_DEAD] = UNIT_INACTIVE,
@@ -380,7 +381,7 @@ static int mount_add_device_links(Mount *m) {
 
                 SERVICE(fsck)->fsck_passno = p->passno;
 
-                if ((r = unit_add_two_dependencies(UNIT(m), UNIT_AFTER, UNIT_WANTS, fsck, true)) < 0)
+                if ((r = unit_add_two_dependencies(UNIT(m), UNIT_AFTER, UNIT_REQUIRES, fsck, true)) < 0)
                         return r;
         }
 
@@ -395,7 +396,7 @@ static int mount_add_default_dependencies(Mount *m) {
         if (m->meta.manager->running_as == MANAGER_SYSTEM &&
             !path_equal(m->where, "/")) {
 
-                if ((r = unit_add_dependency_by_name(UNIT(m), UNIT_BEFORE, SPECIAL_QUOTACHECK_TARGET, NULL, true)) < 0)
+                if ((r = unit_add_dependency_by_name(UNIT(m), UNIT_BEFORE, SPECIAL_QUOTACHECK_SERVICE, NULL, true)) < 0)
                         return r;
 
                 if ((r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0)
@@ -1636,6 +1637,52 @@ static void mount_reset_failed(Unit *u) {
         m->failure = false;
 }
 
+static int mount_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) {
+        Mount *m = MOUNT(u);
+        int r = 0;
+        Set *pid_set = NULL;
+
+        assert(m);
+
+        if (who == KILL_MAIN) {
+                dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "Mount units have no main processes");
+                return -EINVAL;
+        }
+
+        if (m->control_pid <= 0 && who == KILL_CONTROL) {
+                dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill");
+                return -ENOENT;
+        }
+
+        if (m->control_pid > 0)
+                if (kill(mode == KILL_PROCESS_GROUP ? -m->control_pid : m->control_pid, signo) < 0)
+                        r = -errno;
+
+        if (mode == KILL_CONTROL_GROUP) {
+                int q;
+
+                if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func)))
+                        return -ENOMEM;
+
+                /* Exclude the control pid from being killed via the cgroup */
+                if (m->control_pid > 0)
+                        if ((q = set_put(pid_set, LONG_TO_PTR(m->control_pid))) < 0) {
+                                r = q;
+                                goto finish;
+                        }
+
+                if ((q = cgroup_bonding_kill_list(m->meta.cgroup_bondings, signo, pid_set)) < 0)
+                        if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
+                                r = q;
+        }
+
+finish:
+        if (pid_set)
+                set_free(pid_set);
+
+        return r;
+}
+
 static const char* const mount_state_table[_MOUNT_STATE_MAX] = {
         [MOUNT_DEAD] = "dead",
         [MOUNT_MOUNTING] = "mounting",
@@ -1682,6 +1729,8 @@ const UnitVTable mount_vtable = {
         .stop = mount_stop,
         .reload = mount_reload,
 
+        .kill = mount_kill,
+
         .serialize = mount_serialize,
         .deserialize_item = mount_deserialize_item,