X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fautomount.c;h=9447c0d8fcf81af7c3c3a169bc4bccd70741ca90;hp=00f3736b2fc148c9eb5bf0bb223eca8073177dd3;hb=5d909e3ec3f502f1d33d0070d8a7a5755e7615d8;hpb=2edd4434e5bc6e5c7948df742d82f4bcd6c415f3 diff --git a/src/automount.c b/src/automount.c index 00f3736b2..9447c0d8f 100644 --- 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