***/
#include <errno.h>
-#include <limits.h>
-#include <sys/mount.h>
-#include <unistd.h>
#include <fcntl.h>
+#include <limits.h>
+#include <linux/auto_dev-ioctl.h>
+#include <linux/auto_fs4.h>
#include <sys/epoll.h>
+#include <sys/mount.h>
#include <sys/stat.h>
-#include <linux/auto_fs4.h>
-#include <linux/auto_dev-ioctl.h>
+#include <unistd.h>
-#include "unit.h"
+#include "async.h"
#include "automount.h"
-#include "mount.h"
-#include "load-fragment.h"
-#include "load-dropin.h"
-#include "unit-name.h"
-#include "special.h"
+#include "bus-error.h"
+#include "bus-util.h"
+#include "dbus-automount.h"
+#include "fd-util.h"
+#include "formats-util.h"
+#include "io-util.h"
#include "label.h"
#include "mkdir.h"
+#include "mount.h"
#include "path-util.h"
-#include "dbus-automount.h"
-#include "bus-util.h"
-#include "bus-error.h"
+#include "process-util.h"
+#include "special.h"
+#include "string-util.h"
+#include "unit-name.h"
+#include "unit.h"
static const UnitActiveState state_translation_table[_AUTOMOUNT_STATE_MAX] = {
[AUTOMOUNT_DEAD] = UNIT_INACTIVE,
[AUTOMOUNT_FAILED] = UNIT_FAILED
};
+struct expire_data {
+ int dev_autofs_fd;
+ int ioctl_fd;
+};
+
+static inline void expire_data_free(struct expire_data *data) {
+ if (!data)
+ return;
+
+ safe_close(data->dev_autofs_fd);
+ safe_close(data->ioctl_fd);
+ free(data);
+}
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(struct expire_data*, expire_data_free);
+
static int open_dev_autofs(Manager *m);
static int automount_dispatch_io(sd_event_source *s, int fd, uint32_t events, void *userdata);
}
}
+static int automount_send_ready(Automount *a, Set *tokens, int status);
+
static void unmount_autofs(Automount *a) {
assert(a);
if (a->pipe_fd < 0)
return;
- automount_send_ready(a, -EHOSTDOWN);
+ automount_send_ready(a, a->tokens, -EHOSTDOWN);
+ automount_send_ready(a, a->expire_tokens, -EHOSTDOWN);
a->pipe_event_source = sd_event_source_unref(a->pipe_event_source);
a->pipe_fd = safe_close(a->pipe_fd);
unmount_autofs(a);
- free(a->where);
- a->where = NULL;
+ a->where = mfree(a->where);
+
+ a->tokens = set_free(a->tokens);
+ a->expire_tokens = set_free(a->expire_tokens);
- set_free(a->tokens);
- a->tokens = NULL;
+ a->expire_event_source = sd_event_source_unref(a->expire_event_source);
}
static int automount_add_mount_links(Automount *a) {
assert(a);
- if (UNIT(a)->manager->running_as != SYSTEMD_SYSTEM)
+ if (UNIT(a)->manager->running_as != MANAGER_SYSTEM)
return 0;
r = unit_add_two_dependencies_by_name(UNIT(a), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true);
}
static int automount_verify(Automount *a) {
- bool b;
_cleanup_free_ char *e = NULL;
+ int r;
+
assert(a);
if (UNIT(a)->load_state != UNIT_LOADED)
return 0;
if (path_equal(a->where, "/")) {
- log_unit_error(UNIT(a)->id, "Cannot have an automount unit for the root directory. Refusing.");
+ log_unit_error(UNIT(a), "Cannot have an automount unit for the root directory. Refusing.");
return -EINVAL;
}
- e = unit_name_from_path(a->where, ".automount");
- if (!e)
- return -ENOMEM;
-
- b = unit_has_name(UNIT(a), e);
+ r = unit_name_from_path(a->where, ".automount", &e);
+ if (r < 0)
+ return log_unit_error(UNIT(a), "Failed to generate unit name from path: %m");
- if (!b) {
- log_unit_error(UNIT(a)->id, "%s's Where setting doesn't match unit name. Refusing.", UNIT(a)->id);
+ if (!unit_has_name(UNIT(a), e)) {
+ log_unit_error(UNIT(a), "Where= setting doesn't match unit name. Refusing.");
return -EINVAL;
}
Unit *x;
if (!a->where) {
- a->where = unit_name_to_path(u->id);
- if (!a->where)
- return -ENOMEM;
+ r = unit_name_to_path(u->id, &a->where);
+ if (r < 0)
+ return r;
}
path_kill_slashes(a->where);
unmount_autofs(a);
if (state != old_state)
- log_unit_debug(UNIT(a)->id,
- "%s changed %s -> %s",
- UNIT(a)->id,
- automount_state_to_string(old_state),
- automount_state_to_string(state));
+ log_unit_debug(UNIT(a), "Changed %s -> %s", automount_state_to_string(old_state), automount_state_to_string(state));
unit_notify(UNIT(a), state_translation_table[old_state], state_translation_table[state], true);
}
if (a->deserialized_state == AUTOMOUNT_WAITING ||
a->deserialized_state == AUTOMOUNT_RUNNING) {
-
assert(a->pipe_fd >= 0);
r = sd_event_add_io(u->manager->event, &a->pipe_event_source, a->pipe_fd, EPOLLIN, automount_dispatch_io, u);
if (r < 0)
return r;
+
+ (void) sd_event_source_set_description(a->pipe_event_source, "automount-io");
}
automount_set_state(a, a->deserialized_state);
}
static void automount_dump(Unit *u, FILE *f, const char *prefix) {
+ char time_string[FORMAT_TIMESPAN_MAX];
Automount *a = AUTOMOUNT(u);
assert(a);
"%sAutomount State: %s\n"
"%sResult: %s\n"
"%sWhere: %s\n"
- "%sDirectoryMode: %04o\n",
+ "%sDirectoryMode: %04o\n"
+ "%sTimeoutIdleUSec: %s\n",
prefix, automount_state_to_string(a->state),
prefix, automount_result_to_string(a->result),
prefix, a->where,
- prefix, a->directory_mode);
+ prefix, a->directory_mode,
+ prefix, format_timespan(time_string, FORMAT_TIMESPAN_MAX, a->timeout_idle_usec, USEC_PER_SEC));
}
static void automount_enter_dead(Automount *a, AutomountResult f) {
if (param->ioctlfd < 0)
return -EIO;
- fd_cloexec(param->ioctlfd, true);
+ (void) fd_cloexec(param->ioctlfd, true);
return param->ioctlfd;
}
return 0;
}
-static int autofs_set_timeout(int dev_autofs_fd, int ioctl_fd, time_t sec) {
+static int autofs_set_timeout(int dev_autofs_fd, int ioctl_fd, usec_t usec) {
struct autofs_dev_ioctl param;
assert(dev_autofs_fd >= 0);
init_autofs_dev_ioctl(¶m);
param.ioctlfd = ioctl_fd;
- param.timeout.timeout = sec;
+
+ /* Convert to seconds, rounding up. */
+ param.timeout.timeout = (usec + USEC_PER_SEC - 1) / USEC_PER_SEC;
if (ioctl(dev_autofs_fd, AUTOFS_DEV_IOCTL_TIMEOUT, ¶m) < 0)
return -errno;
return 0;
}
-int automount_send_ready(Automount *a, int status) {
+static int automount_send_ready(Automount *a, Set *tokens, int status) {
_cleanup_close_ int ioctl_fd = -1;
unsigned token;
int r;
assert(a);
assert(status <= 0);
- if (set_isempty(a->tokens))
+ if (set_isempty(tokens))
return 0;
ioctl_fd = open_ioctl_fd(UNIT(a)->manager->dev_autofs_fd, a->where, a->dev_id);
return ioctl_fd;
if (status)
- log_unit_debug_errno(UNIT(a)->id, status, "Sending failure: %m");
+ log_unit_debug_errno(UNIT(a), status, "Sending failure: %m");
else
- log_unit_debug(UNIT(a)->id, "Sending success.");
+ log_unit_debug(UNIT(a), "Sending success.");
r = 0;
/* Autofs thankfully does not hand out 0 as a token */
- while ((token = PTR_TO_UINT(set_steal_first(a->tokens)))) {
+ while ((token = PTR_TO_UINT(set_steal_first(tokens)))) {
int k;
/* Autofs fun fact II:
return r;
}
+static int automount_start_expire(Automount *a);
+
+int automount_update_mount(Automount *a, MountState old_state, MountState state) {
+ int r;
+
+ assert(a);
+
+ switch (state) {
+ case MOUNT_MOUNTED:
+ case MOUNT_REMOUNTING:
+ automount_send_ready(a, a->tokens, 0);
+ r = automount_start_expire(a);
+ if (r < 0)
+ log_unit_warning_errno(UNIT(a), r, "Failed to start expiration timer, ignoring: %m");
+ break;
+ case MOUNT_DEAD:
+ case MOUNT_UNMOUNTING:
+ case MOUNT_MOUNTING_SIGTERM:
+ case MOUNT_MOUNTING_SIGKILL:
+ case MOUNT_REMOUNTING_SIGTERM:
+ case MOUNT_REMOUNTING_SIGKILL:
+ case MOUNT_UNMOUNTING_SIGTERM:
+ case MOUNT_UNMOUNTING_SIGKILL:
+ case MOUNT_FAILED:
+ if (old_state != state)
+ automount_send_ready(a, a->tokens, -ENODEV);
+ (void) sd_event_source_set_enabled(a->expire_event_source, SD_EVENT_OFF);
+ break;
+ default:
+ break;
+ }
+
+ switch (state) {
+ case MOUNT_DEAD:
+ automount_send_ready(a, a->expire_tokens, 0);
+ break;
+ case MOUNT_MOUNTING:
+ case MOUNT_MOUNTING_DONE:
+ case MOUNT_MOUNTING_SIGTERM:
+ case MOUNT_MOUNTING_SIGKILL:
+ case MOUNT_REMOUNTING_SIGTERM:
+ case MOUNT_REMOUNTING_SIGKILL:
+ case MOUNT_UNMOUNTING_SIGTERM:
+ case MOUNT_UNMOUNTING_SIGKILL:
+ case MOUNT_FAILED:
+ if (old_state != state)
+ automount_send_ready(a, a->expire_tokens, -ENODEV);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
static void automount_enter_waiting(Automount *a) {
_cleanup_close_ int ioctl_fd = -1;
int p[2] = { -1, -1 };
- char name[32], options[128];
+ char name[sizeof("systemd-")-1 + DECIMAL_STR_MAX(pid_t) + 1];
+ char options[sizeof("fd=,pgrp=,minproto=5,maxproto=5,direct")-1
+ + DECIMAL_STR_MAX(int) + DECIMAL_STR_MAX(gid_t) + 1];
bool mounted = false;
int r, dev_autofs_fd;
struct stat st;
assert(a->pipe_fd < 0);
assert(a->where);
- if (a->tokens)
- set_clear(a->tokens);
+ set_clear(a->tokens);
+
+ r = unit_fail_if_symlink(UNIT(a), a->where);
+ if (r < 0)
+ goto fail;
+
+ (void) mkdir_p_label(a->where, 0555);
+
+ unit_warn_if_dir_nonempty(UNIT(a), a->where);
dev_autofs_fd = open_dev_autofs(UNIT(a)->manager);
if (dev_autofs_fd < 0) {
goto fail;
}
- /* We knowingly ignore the results of this call */
- mkdir_p_label(a->where, 0555);
-
- warn_if_dir_nonempty(a->meta.id, a->where);
-
if (pipe2(p, O_NONBLOCK|O_CLOEXEC) < 0) {
r = -errno;
goto fail;
}
- snprintf(options, sizeof(options), "fd=%i,pgrp=%u,minproto=5,maxproto=5,direct", p[1], (unsigned) getpgrp());
- char_array_0(options);
-
- snprintf(name, sizeof(name), "systemd-%u", (unsigned) getpid());
- char_array_0(name);
-
+ xsprintf(options, "fd=%i,pgrp="PID_FMT",minproto=5,maxproto=5,direct", p[1], getpgrp());
+ xsprintf(name, "systemd-"PID_FMT, getpid());
if (mount(name, a->where, "autofs", 0, options) < 0) {
r = -errno;
goto fail;
if (r < 0)
goto fail;
- r = autofs_set_timeout(dev_autofs_fd, ioctl_fd, 300);
+ r = autofs_set_timeout(dev_autofs_fd, ioctl_fd, a->timeout_idle_usec);
if (r < 0)
goto fail;
if (r < 0)
goto fail;
+ (void) sd_event_source_set_description(a->pipe_event_source, "automount-io");
+
a->pipe_fd = p[0];
a->dev_id = st.st_dev;
if (mounted)
repeat_unmount(a->where);
- log_unit_error(UNIT(a)->id,
- "Failed to initialize automounter: %s", strerror(-r));
+ log_unit_error_errno(UNIT(a), r, "Failed to initialize automounter: %m");
automount_enter_dead(a, AUTOMOUNT_FAILURE_RESOURCES);
}
+static void *expire_thread(void *p) {
+ struct autofs_dev_ioctl param;
+ _cleanup_(expire_data_freep) struct expire_data *data = (struct expire_data*)p;
+ int r;
+
+ assert(data->dev_autofs_fd >= 0);
+ assert(data->ioctl_fd >= 0);
+
+ init_autofs_dev_ioctl(¶m);
+ param.ioctlfd = data->ioctl_fd;
+
+ do {
+ r = ioctl(data->dev_autofs_fd, AUTOFS_DEV_IOCTL_EXPIRE, ¶m);
+ } while (r >= 0);
+
+ if (errno != EAGAIN)
+ log_warning_errno(errno, "Failed to expire automount, ignoring: %m");
+
+ return NULL;
+}
+
+static int automount_dispatch_expire(sd_event_source *source, usec_t usec, void *userdata) {
+ Automount *a = AUTOMOUNT(userdata);
+ _cleanup_(expire_data_freep) struct expire_data *data = NULL;
+ int r;
+
+ assert(a);
+ assert(source == a->expire_event_source);
+
+ data = new0(struct expire_data, 1);
+ if (!data)
+ return log_oom();
+
+ data->ioctl_fd = -1;
+
+ data->dev_autofs_fd = fcntl(UNIT(a)->manager->dev_autofs_fd, F_DUPFD_CLOEXEC, 3);
+ if (data->dev_autofs_fd < 0)
+ return log_unit_error_errno(UNIT(a), errno, "Failed to duplicate autofs fd: %m");
+
+ data->ioctl_fd = open_ioctl_fd(UNIT(a)->manager->dev_autofs_fd, a->where, a->dev_id);
+ if (data->ioctl_fd < 0)
+ return log_unit_error_errno(UNIT(a), data->ioctl_fd, "Couldn't open autofs ioctl fd: %m");
+
+ r = asynchronous_job(expire_thread, data);
+ if (r < 0)
+ return log_unit_error_errno(UNIT(a), r, "Failed to start expire job: %m");
+
+ data = NULL;
+
+ return automount_start_expire(a);
+}
+
+static int automount_start_expire(Automount *a) {
+ int r;
+ usec_t timeout;
+
+ assert(a);
+
+ if (a->timeout_idle_usec == 0)
+ return 0;
+
+ timeout = now(CLOCK_MONOTONIC) + MAX(a->timeout_idle_usec/3, USEC_PER_SEC);
+
+ if (a->expire_event_source) {
+ r = sd_event_source_set_time(a->expire_event_source, timeout);
+ if (r < 0)
+ return r;
+
+ return sd_event_source_set_enabled(a->expire_event_source, SD_EVENT_ONESHOT);
+ }
+
+ r = sd_event_add_time(
+ UNIT(a)->manager->event,
+ &a->expire_event_source,
+ CLOCK_MONOTONIC, timeout, 0,
+ automount_dispatch_expire, a);
+ if (r < 0)
+ return r;
+
+ (void) sd_event_source_set_description(a->expire_event_source, "automount-expire");
+
+ return 0;
+}
+
static void automount_enter_runnning(Automount *a) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
struct stat st;
/* We don't take mount requests anymore if we are supposed to
* shut down anyway */
if (unit_stop_pending(UNIT(a))) {
- log_unit_debug(UNIT(a)->id,
- "Suppressing automount request on %s since unit stop is scheduled.", UNIT(a)->id);
- automount_send_ready(a, -EHOSTDOWN);
+ log_unit_debug(UNIT(a), "Suppressing automount request since unit stop is scheduled.");
+ automount_send_ready(a, a->tokens, -EHOSTDOWN);
+ automount_send_ready(a, a->expire_tokens, -EHOSTDOWN);
return;
}
/* Before we do anything, let's see if somebody is playing games with us? */
if (lstat(a->where, &st) < 0) {
- log_unit_warning(UNIT(a)->id,
- "%s failed to stat automount point: %m", UNIT(a)->id);
+ log_unit_warning_errno(UNIT(a), errno, "Failed to stat automount point: %m");
goto fail;
}
if (!S_ISDIR(st.st_mode) || st.st_dev != a->dev_id)
- log_unit_info(UNIT(a)->id,
- "%s's automount point already active?", UNIT(a)->id);
+ log_unit_info(UNIT(a), "Automount point already active?");
else {
r = manager_add_job(UNIT(a)->manager, JOB_START, UNIT_TRIGGER(UNIT(a)),
JOB_REPLACE, true, &error, NULL);
if (r < 0) {
- log_unit_warning(UNIT(a)->id,
- "%s failed to queue mount startup job: %s",
- UNIT(a)->id, bus_error_message(&error, r));
+ log_unit_warning(UNIT(a), "Failed to queue mount startup job: %s", bus_error_message(&error, r));
goto fail;
}
}
assert(a);
assert(a->state == AUTOMOUNT_DEAD || a->state == AUTOMOUNT_FAILED);
- if (path_is_mount_point(a->where, false)) {
- log_unit_error(u->id,
- "Path %s is already a mount point, refusing start for %s",
- a->where, u->id);
+ if (path_is_mount_point(a->where, 0) > 0) {
+ log_unit_error(u, "Path %s is already a mount point, refusing start.", a->where);
return -EEXIST;
}
a->result = AUTOMOUNT_SUCCESS;
automount_enter_waiting(a);
- return 0;
+ return 1;
}
static int automount_stop(Unit *u) {
assert(a->state == AUTOMOUNT_WAITING || a->state == AUTOMOUNT_RUNNING);
automount_enter_dead(a, AUTOMOUNT_SUCCESS);
- return 0;
+ return 1;
}
static int automount_serialize(Unit *u, FILE *f, FDSet *fds) {
Automount *a = AUTOMOUNT(u);
- void *p;
Iterator i;
+ void *p;
+ int r;
assert(a);
assert(f);
SET_FOREACH(p, a->tokens, i)
unit_serialize_item_format(u, f, "token", "%u", PTR_TO_UINT(p));
+ SET_FOREACH(p, a->expire_tokens, i)
+ unit_serialize_item_format(u, f, "expire-token", "%u", PTR_TO_UINT(p));
- if (a->pipe_fd >= 0) {
- int copy;
-
- copy = fdset_put_dup(fds, a->pipe_fd);
- if (copy < 0)
- return copy;
-
- unit_serialize_item_format(u, f, "pipe-fd", "%i", copy);
- }
+ r = unit_serialize_item_fd(u, f, fds, "pipe-fd", a->pipe_fd);
+ if (r < 0)
+ return r;
return 0;
}
state = automount_state_from_string(value);
if (state < 0)
- log_unit_debug(u->id, "Failed to parse state value %s", value);
+ log_unit_debug(u, "Failed to parse state value: %s", value);
else
a->deserialized_state = state;
} else if (streq(key, "result")) {
f = automount_result_from_string(value);
if (f < 0)
- log_unit_debug(u->id, "Failed to parse result value %s", value);
+ log_unit_debug(u, "Failed to parse result value: %s", value);
else if (f != AUTOMOUNT_SUCCESS)
a->result = f;
unsigned d;
if (safe_atou(value, &d) < 0)
- log_unit_debug(u->id, "Failed to parse dev-id value %s", value);
+ log_unit_debug(u, "Failed to parse dev-id value: %s", value);
else
a->dev_id = (unsigned) d;
} else if (streq(key, "token")) {
unsigned token;
if (safe_atou(value, &token) < 0)
- log_unit_debug(u->id, "Failed to parse token value %s", value);
+ log_unit_debug(u, "Failed to parse token value: %s", value);
else {
- if (!a->tokens)
- if (!(a->tokens = set_new(NULL)))
- return -ENOMEM;
+ r = set_ensure_allocated(&a->tokens, NULL);
+ if (r < 0) {
+ log_oom();
+ return 0;
+ }
r = set_put(a->tokens, UINT_TO_PTR(token));
if (r < 0)
- return r;
+ log_unit_error_errno(u, r, "Failed to add token to set: %m");
+ }
+ } else if (streq(key, "expire-token")) {
+ unsigned token;
+
+ if (safe_atou(value, &token) < 0)
+ log_unit_debug(u, "Failed to parse token value: %s", value);
+ else {
+ r = set_ensure_allocated(&a->expire_tokens, NULL);
+ if (r < 0) {
+ log_oom();
+ return 0;
+ }
+
+ r = set_put(a->expire_tokens, UINT_TO_PTR(token));
+ if (r < 0)
+ log_unit_error_errno(u, r, "Failed to add expire token to set: %m");
}
} else if (streq(key, "pipe-fd")) {
int fd;
if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
- log_unit_debug(u->id, "Failed to parse pipe-fd value %s", value);
+ log_unit_debug(u, "Failed to parse pipe-fd value: %s", value);
else {
safe_close(a->pipe_fd);
a->pipe_fd = fdset_remove(fds, fd);
}
} else
- log_unit_debug(u->id, "Unknown serialization key '%s'", key);
+ log_unit_debug(u, "Unknown serialization key: %s", key);
return 0;
}
}
static int automount_dispatch_io(sd_event_source *s, int fd, uint32_t events, void *userdata) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
union autofs_v5_packet_union packet;
Automount *a = AUTOMOUNT(userdata);
- ssize_t l;
+ struct stat st;
int r;
assert(a);
assert(fd == a->pipe_fd);
if (events != EPOLLIN) {
- log_unit_error(UNIT(a)->id, "Got invalid poll event on pipe.");
+ log_unit_error(UNIT(a), "Got invalid poll event %"PRIu32" on pipe (fd=%d)", events, fd);
goto fail;
}
- l = loop_read(a->pipe_fd, &packet, sizeof(packet), true);
- if (l != sizeof(packet)) {
- if (l < 0)
- log_unit_error_errno(UNIT(a)->id, l, "Invalid read from pipe: %m");
- else
- log_unit_error(UNIT(a)->id, "Invalid read from pipe: short read");
+ r = loop_read_exact(a->pipe_fd, &packet, sizeof(packet), true);
+ if (r < 0) {
+ log_unit_error_errno(UNIT(a), r, "Invalid read from pipe: %m");
goto fail;
}
_cleanup_free_ char *p = NULL;
get_process_comm(packet.v5_packet.pid, &p);
- log_unit_info(UNIT(a)->id,
- "Got automount request for %s, triggered by "PID_FMT" (%s)",
- a->where, packet.v5_packet.pid, strna(p));
+ log_unit_info(UNIT(a), "Got automount request for %s, triggered by %"PRIu32" (%s)", a->where, packet.v5_packet.pid, strna(p));
} else
- log_unit_debug(UNIT(a)->id, "Got direct mount request on %s", a->where);
+ log_unit_debug(UNIT(a), "Got direct mount request on %s", a->where);
r = set_ensure_allocated(&a->tokens, NULL);
if (r < 0) {
- log_unit_error(UNIT(a)->id, "Failed to allocate token set.");
+ log_unit_error(UNIT(a), "Failed to allocate token set.");
goto fail;
}
r = set_put(a->tokens, UINT_TO_PTR(packet.v5_packet.wait_queue_token));
if (r < 0) {
- log_unit_error_errno(UNIT(a)->id, r, "Failed to remember token: %m");
+ log_unit_error_errno(UNIT(a), r, "Failed to remember token: %m");
goto fail;
}
automount_enter_runnning(a);
break;
+ case autofs_ptype_expire_direct:
+ log_unit_debug(UNIT(a), "Got direct umount request on %s", a->where);
+
+ (void) sd_event_source_set_enabled(a->expire_event_source, SD_EVENT_OFF);
+
+ r = set_ensure_allocated(&a->expire_tokens, NULL);
+ if (r < 0) {
+ log_unit_error(UNIT(a), "Failed to allocate token set.");
+ goto fail;
+ }
+
+ r = set_put(a->expire_tokens, UINT_TO_PTR(packet.v5_packet.wait_queue_token));
+ if (r < 0) {
+ log_unit_error_errno(UNIT(a), r, "Failed to remember token: %m");
+ goto fail;
+ }
+
+ /* Before we do anything, let's see if somebody is playing games with us? */
+ if (lstat(a->where, &st) < 0) {
+ log_unit_warning_errno(UNIT(a), errno, "Failed to stat automount point: %m");
+ goto fail;
+ }
+
+ if (!S_ISDIR(st.st_mode) || st.st_dev == a->dev_id) {
+ log_unit_info(UNIT(a), "Automount point already unmounted?");
+ automount_send_ready(a, a->expire_tokens, 0);
+ break;
+ }
+
+ r = manager_add_job(UNIT(a)->manager, JOB_STOP, UNIT_TRIGGER(UNIT(a)), JOB_REPLACE, true, &error, NULL);
+ if (r < 0) {
+ log_unit_warning(UNIT(a), "Failed to queue umount startup job: %s", bus_error_message(&error, r));
+ goto fail;
+ }
+ break;
+
default:
- log_unit_error(UNIT(a)->id, "Received unknown automount request %i", packet.hdr.type);
+ log_unit_error(UNIT(a), "Received unknown automount request %i", packet.hdr.type);
break;
}
a->result = AUTOMOUNT_SUCCESS;
}
-static bool automount_supported(Manager *m) {
+static bool automount_supported(void) {
static int supported = -1;
- assert(m);
-
if (supported < 0)
supported = access("/dev/autofs", F_OK) >= 0;
return supported;
}
-static const char* const automount_state_table[_AUTOMOUNT_STATE_MAX] = {
- [AUTOMOUNT_DEAD] = "dead",
- [AUTOMOUNT_WAITING] = "waiting",
- [AUTOMOUNT_RUNNING] = "running",
- [AUTOMOUNT_FAILED] = "failed"
-};
-
-DEFINE_STRING_TABLE_LOOKUP(automount_state, AutomountState);
-
static const char* const automount_result_table[_AUTOMOUNT_RESULT_MAX] = {
[AUTOMOUNT_SUCCESS] = "success",
[AUTOMOUNT_FAILURE_RESOURCES] = "resources"
.reset_failed = automount_reset_failed,
- .bus_interface = "org.freedesktop.systemd1.Automount",
.bus_vtable = bus_automount_vtable,
.shutdown = automount_shutdown,
.finished_start_job = {
[JOB_DONE] = "Set up automount %s.",
[JOB_FAILED] = "Failed to set up automount %s.",
- [JOB_DEPENDENCY] = "Dependency failed for %s.",
},
.finished_stop_job = {
[JOB_DONE] = "Unset automount %s.",
projects / thirdparty / systemd.git / blobdiff