automount: use unit_pending_inactive() where appropriate

[elogind.git] / src / automount.c

diff --git a/src/automount.c b/src/automount.c
index 00f3736b2fc148c9eb5bf0bb223eca8073177dd3..9447c0d8fcf81af7c3c3a169bc4bccd70741ca90 100644 (file)
--- a/src/automount.c
+++ b/src/automount.c
@@ -1,4 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
 /***
   This file is part of systemd.
@@ -37,12 +37,13 @@
 #include "dbus-automount.h"
 #include "bus-errors.h"
 #include "special.h"
+#include "label.h"
 
 static const UnitActiveState state_translation_table[_AUTOMOUNT_STATE_MAX] = {
         [AUTOMOUNT_DEAD] = UNIT_INACTIVE,
         [AUTOMOUNT_WAITING] = UNIT_ACTIVE,
         [AUTOMOUNT_RUNNING] = UNIT_ACTIVE,
-        [AUTOMOUNT_MAINTENANCE] = UNIT_MAINTENANCE
+        [AUTOMOUNT_FAILED] = UNIT_FAILED
 };
 
 static int open_dev_autofs(Manager *m);
@@ -153,7 +154,7 @@ static int automount_add_default_dependencies(Automount *a) {
 
         if (a->meta.manager->running_as == MANAGER_SYSTEM) {
 
-                if ((r = unit_add_dependency_by_name(UNIT(a), UNIT_AFTER, SPECIAL_SYSINIT_TARGET, NULL, true)) < 0)
+                if ((r = unit_add_dependency_by_name(UNIT(a), UNIT_BEFORE, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
                         return r;
 
                 if ((r = unit_add_two_dependencies_by_name(UNIT(a), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0)
@@ -243,7 +244,7 @@ static void automount_set_state(Automount *a, AutomountState state) {
                           automount_state_to_string(old_state),
                           automount_state_to_string(state));
 
-        unit_notify(UNIT(a), state_translation_table[old_state], state_translation_table[state]);
+        unit_notify(UNIT(a), state_translation_table[old_state], state_translation_table[state], true);
 }
 
 static int automount_coldplug(Unit *u) {
@@ -293,7 +294,7 @@ static void automount_enter_dead(Automount *a, bool success) {
         if (!success)
                 a->failure = true;
 
-        automount_set_state(a, a->failure ? AUTOMOUNT_MAINTENANCE : AUTOMOUNT_DEAD);
+        automount_set_state(a, a->failure ? AUTOMOUNT_FAILED : AUTOMOUNT_DEAD);
 }
 
 static int open_dev_autofs(Manager *m) {
@@ -304,6 +305,8 @@ static int open_dev_autofs(Manager *m) {
         if (m->dev_autofs_fd >= 0)
                 return m->dev_autofs_fd;
 
+       label_fix("/dev/autofs");
+
         if ((m->dev_autofs_fd = open("/dev/autofs", O_CLOEXEC|O_RDONLY)) < 0) {
                 log_error("Failed to open /dev/autofs: %s", strerror(errno));
                 return -errno;
@@ -442,6 +445,8 @@ int automount_send_ready(Automount *a, int status) {
         else
                 log_debug("Sending success.");
 
+        r = 0;
+
         /* Autofs thankfully does not hand out 0 as a token */
         while ((token = PTR_TO_UINT(set_steal_first(a->tokens)))) {
                 int k;
@@ -458,8 +463,6 @@ int automount_send_ready(Automount *a, int status) {
                         r = k;
         }
 
-        r = 0;
-
 fail:
         if (ioctl_fd >= 0)
                 close_nointr_nofail(ioctl_fd);
@@ -568,6 +571,14 @@ static void automount_enter_runnning(Automount *a) {
 
         dbus_error_init(&error);
 
+        /* We don't take mount requests anymore if we are supposed to
+         * shut down anyway */
+        if (unit_pending_inactive(UNIT(a))) {
+                log_debug("Suppressing automount request on %s since unit stop is scheduled.", a->meta.id);
+                automount_send_ready(a, -EHOSTDOWN);
+                return;
+        }
+
         mkdir_p(a->where, a->directory_mode);
 
         /* Before we do anything, let's see if somebody is playing games with us? */
@@ -596,7 +607,7 @@ static int automount_start(Unit *u) {
 
         assert(a);
 
-        assert(a->state == AUTOMOUNT_DEAD || a->state == AUTOMOUNT_MAINTENANCE);
+        assert(a->state == AUTOMOUNT_DEAD || a->state == AUTOMOUNT_FAILED);
 
         if (path_is_mount_point(a->where)) {
                 log_error("Path %s is already a mount point, refusing start for %s", a->where, u->meta.id);
@@ -725,6 +736,9 @@ static bool automount_check_gc(Unit *u) {
 
         assert(a);
 
+        if (!a->mount)
+                return false;
+
         return UNIT_VTABLE(UNIT(a->mount))->check_gc(UNIT(a->mount));
 }
 
@@ -750,7 +764,16 @@ static void automount_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
         switch (packet.hdr.type) {
 
         case autofs_ptype_missing_direct:
-                log_debug("Got direct mount request for %s", packet.v5_packet.name);
+
+                if (packet.v5_packet.pid > 0) {
+                        char *p = NULL;
+
+                        get_process_name(packet.v5_packet.pid, &p);
+                        log_debug("Got direct mount request for %s, triggered by %lu (%s)", packet.v5_packet.name, (unsigned long) packet.v5_packet.pid, strna(p));
+                        free(p);
+
+                } else
+                        log_debug("Got direct mount request for %s", packet.v5_packet.name);
 
                 if (!a->tokens)
                         if (!(a->tokens = set_new(trivial_hash_func, trivial_compare_func))) {
@@ -784,11 +807,22 @@ static void automount_shutdown(Manager *m) {
                 close_nointr_nofail(m->dev_autofs_fd);
 }
 
+static void automount_reset_failed(Unit *u) {
+        Automount *a = AUTOMOUNT(u);
+
+        assert(a);
+
+        if (a->state == AUTOMOUNT_FAILED)
+                automount_set_state(a, AUTOMOUNT_DEAD);
+
+        a->failure = false;
+}
+
 static const char* const automount_state_table[_AUTOMOUNT_STATE_MAX] = {
         [AUTOMOUNT_DEAD] = "dead",
         [AUTOMOUNT_WAITING] = "waiting",
         [AUTOMOUNT_RUNNING] = "running",
-        [AUTOMOUNT_MAINTENANCE] = "maintenance"
+        [AUTOMOUNT_FAILED] = "failed"
 };
 
 DEFINE_STRING_TABLE_LOOKUP(automount_state, AutomountState);
@@ -820,6 +854,9 @@ const UnitVTable automount_vtable = {
 
         .fd_event = automount_fd_event,
 
+        .reset_failed = automount_reset_failed,
+
+        .bus_interface = "org.freedesktop.systemd1.Automount",
         .bus_message_handler = bus_automount_message_handler,
 
         .shutdown = automount_shutdown