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From fb7177b2a03f7456c3ea5b2b2c3b51835eff70fd Mon Sep 17 00:00:00 2001
From: Michael Olbrich <m.olbrich@pengutronix.de>
Date: Wed, 9 Dec 2015 15:46:46 +0100
Subject: [PATCH] automount: implement transient automounts
(cherry picked from commit afb14803b34a9f4abf5265365aebe9a3132344c2)
---
src/core/automount.c | 3 +++
src/core/dbus-automount.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++
src/core/dbus-automount.h | 2 ++
3 files changed, 59 insertions(+)
diff --git a/src/core/automount.c b/src/core/automount.c
index a9d0d7a..b8d385d 100644
--- a/src/core/automount.c
+++ b/src/core/automount.c
@@ -1110,6 +1110,9 @@ 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 b2806ad..26212b3 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 7b51eb9..f41adda 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);
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