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authorLennart Poettering <lennart@poettering.net>2016-08-04 16:16:04 +0200
committerGitHub <noreply@github.com>2016-08-04 16:16:04 +0200
commiteb18df724ba541ac1c7fd5c77d9244fa6bc5cabf (patch)
tree8d04bf1b38265cc8c5da2b6ae5bfef0db4eb5360
parent07a1734a13a7c43cf4b86c10358cacc7051f6469 (diff)
parent96f5957f1f0d98584bb463d73616a6755e02624b (diff)
Merge pull request #2471 from michaelolbrich/transient-mounts
allow transient mounts and automounts
-rw-r--r--src/core/automount.c3
-rw-r--r--src/core/dbus-automount.c54
-rw-r--r--src/core/dbus-automount.h2
-rw-r--r--src/core/dbus-mount.c3
-rw-r--r--src/core/mount.c34
5 files changed, 78 insertions, 18 deletions
diff --git a/src/core/automount.c b/src/core/automount.c
index 4e9891569c..20a73c76f9 100644
--- a/src/core/automount.c
+++ b/src/core/automount.c
@@ -1105,6 +1105,9 @@ const UnitVTable automount_vtable = {
.reset_failed = automount_reset_failed,
.bus_vtable = bus_automount_vtable,
+ .bus_set_property = bus_automount_set_property,
+
+ .can_transient = true,
.shutdown = automount_shutdown,
.supported = automount_supported,
diff --git a/src/core/dbus-automount.c b/src/core/dbus-automount.c
index b2806ad86f..26212b3a95 100644
--- a/src/core/dbus-automount.c
+++ b/src/core/dbus-automount.c
@@ -32,3 +32,57 @@ const sd_bus_vtable bus_automount_vtable[] = {
SD_BUS_PROPERTY("TimeoutIdleUSec", "t", bus_property_get_usec, offsetof(Automount, timeout_idle_usec), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_VTABLE_END
};
+
+static int bus_automount_set_transient_property(
+ Automount *a,
+ const char *name,
+ sd_bus_message *message,
+ UnitSetPropertiesMode mode,
+ sd_bus_error *error) {
+
+ int r;
+
+ assert(a);
+ assert(name);
+ assert(message);
+
+ if (streq(name, "TimeoutIdleUSec")) {
+ usec_t timeout_idle_usec;
+ r = sd_bus_message_read(message, "t", &timeout_idle_usec);
+ if (r < 0)
+ return r;
+
+ if (mode != UNIT_CHECK) {
+ char time[FORMAT_TIMESPAN_MAX];
+
+ a->timeout_idle_usec = timeout_idle_usec;
+ unit_write_drop_in_format(UNIT(a), mode, name, "[Automount]\nTimeoutIdleSec=%s\n",
+ format_timespan(time, sizeof(time), timeout_idle_usec, USEC_PER_MSEC));
+ }
+ } else
+ return 0;
+
+ return 1;
+}
+
+int bus_automount_set_property(
+ Unit *u,
+ const char *name,
+ sd_bus_message *message,
+ UnitSetPropertiesMode mode,
+ sd_bus_error *error) {
+
+ Automount *a = AUTOMOUNT(u);
+ int r = 0;
+
+ assert(a);
+ assert(name);
+ assert(message);
+
+ if (u->transient && u->load_state == UNIT_STUB)
+ /* This is a transient unit, let's load a little more */
+
+ r = bus_automount_set_transient_property(a, name, message, mode, error);
+
+ return r;
+}
diff --git a/src/core/dbus-automount.h b/src/core/dbus-automount.h
index 7b51eb973a..f41adda2a6 100644
--- a/src/core/dbus-automount.h
+++ b/src/core/dbus-automount.h
@@ -21,3 +21,5 @@
extern const sd_bus_vtable bus_automount_vtable[];
+
+int bus_automount_set_property(Unit *u, const char *name, sd_bus_message *message, UnitSetPropertiesMode mode, sd_bus_error *error);
diff --git a/src/core/dbus-mount.c b/src/core/dbus-mount.c
index 935db7c48b..b4bbee0648 100644
--- a/src/core/dbus-mount.c
+++ b/src/core/dbus-mount.c
@@ -157,6 +157,9 @@ static int bus_mount_set_transient_property(
if (!p)
return -ENOMEM;
+ unit_write_drop_in_format(UNIT(m), mode, name, "[Mount]\n%s=%s\n",
+ name, new_property);
+
free(*property);
*property = p;
}
diff --git a/src/core/mount.c b/src/core/mount.c
index db5cafcb11..afb20af9e2 100644
--- a/src/core/mount.c
+++ b/src/core/mount.c
@@ -484,6 +484,7 @@ static int mount_add_default_dependencies(Mount *m) {
static int mount_verify(Mount *m) {
_cleanup_free_ char *e = NULL;
+ MountParameters *p;
int r;
assert(m);
@@ -508,7 +509,8 @@ static int mount_verify(Mount *m) {
return -EINVAL;
}
- if (UNIT(m)->fragment_path && !m->parameters_fragment.what) {
+ p = get_mount_parameters_fragment(m);
+ if (p && !p->what) {
log_unit_error(UNIT(m), "What= setting is missing. Refusing.");
return -EBADMSG;
}
@@ -862,11 +864,6 @@ fail:
mount_enter_mounted(m, MOUNT_FAILURE_RESOURCES);
}
-static int mount_get_opts(Mount *m, char **ret) {
- return fstab_filter_options(m->parameters_fragment.options,
- "nofail\0" "noauto\0" "auto\0", NULL, NULL, ret);
-}
-
static void mount_enter_mounting(Mount *m) {
int r;
MountParameters *p;
@@ -889,19 +886,18 @@ static void mount_enter_mounting(Mount *m) {
if (p && mount_is_bind(p))
(void) mkdir_p_label(p->what, m->directory_mode);
- if (m->from_fragment) {
+ if (p) {
_cleanup_free_ char *opts = NULL;
- r = mount_get_opts(m, &opts);
+ r = fstab_filter_options(p->options, "nofail\0" "noauto\0" "auto\0", NULL, NULL, &opts);
if (r < 0)
goto fail;
- r = exec_command_set(m->control_command, MOUNT_PATH,
- m->parameters_fragment.what, m->where, NULL);
+ r = exec_command_set(m->control_command, MOUNT_PATH, p->what, m->where, NULL);
if (r >= 0 && m->sloppy_options)
r = exec_command_append(m->control_command, "-s", NULL);
- if (r >= 0 && m->parameters_fragment.fstype)
- r = exec_command_append(m->control_command, "-t", m->parameters_fragment.fstype, NULL);
+ if (r >= 0 && p->fstype)
+ r = exec_command_append(m->control_command, "-t", p->fstype, NULL);
if (r >= 0 && !isempty(opts))
r = exec_command_append(m->control_command, "-o", opts, NULL);
} else
@@ -927,27 +923,29 @@ fail:
static void mount_enter_remounting(Mount *m) {
int r;
+ MountParameters *p;
assert(m);
m->control_command_id = MOUNT_EXEC_REMOUNT;
m->control_command = m->exec_command + MOUNT_EXEC_REMOUNT;
- if (m->from_fragment) {
+ p = get_mount_parameters_fragment(m);
+ if (p) {
const char *o;
- if (m->parameters_fragment.options)
- o = strjoina("remount,", m->parameters_fragment.options);
+ if (p->options)
+ o = strjoina("remount,", p->options);
else
o = "remount";
r = exec_command_set(m->control_command, MOUNT_PATH,
- m->parameters_fragment.what, m->where,
+ p->what, m->where,
"-o", o, NULL);
if (r >= 0 && m->sloppy_options)
r = exec_command_append(m->control_command, "-s", NULL);
- if (r >= 0 && m->parameters_fragment.fstype)
- r = exec_command_append(m->control_command, "-t", m->parameters_fragment.fstype, NULL);
+ if (r >= 0 && p->fstype)
+ r = exec_command_append(m->control_command, "-t", p->fstype, NULL);
} else
r = -ENOENT;