systemd/0420-core-swap-advertise-Discard-over-dbus.patch

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2014-10-04 02:43:52 +00:00
From 4afbccded23f5144e39a7f7b243393799186ba39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Sun, 28 Sep 2014 22:13:07 -0400
Subject: [PATCH] core/swap: advertise Discard over dbus
---
src/core/dbus-swap.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/src/core/dbus-swap.c b/src/core/dbus-swap.c
index 93eae53c29..c854716b48 100644
--- a/src/core/dbus-swap.c
+++ b/src/core/dbus-swap.c
@@ -55,12 +55,36 @@ static int property_get_priority(
return sd_bus_message_append(reply, "i", p);
}
+static int property_get_discard(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Swap *s = SWAP(userdata);
+ const char *p;
+
+ assert(bus);
+ assert(reply);
+ assert(s);
+
+ if (s->from_fragment)
+ p = s->parameters_fragment.discard ?: "none";
+ else
+ p = "none";
+ return sd_bus_message_append(reply, "s", p);
+}
+
static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, swap_result, SwapResult);
const sd_bus_vtable bus_swap_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("What", "s", NULL, offsetof(Swap, what), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("Priority", "i", property_get_priority, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Discard", "s", property_get_discard, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Swap, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Swap, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Swap, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),