116 lines
3.3 KiB
Diff
116 lines
3.3 KiB
Diff
From 0e252f6b375af59eac9bd6d2fe8dd6ee2f51998d Mon Sep 17 00:00:00 2001
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From: Tom Gundersen <teg@jklm.no>
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Date: Fri, 6 Jun 2014 15:10:20 +0200
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Subject: [PATCH] core: allow transient mount units
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For now only What=, Options=, Type= are supported, and Where= is deduced
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from the unit name.
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---
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src/core/dbus-mount.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++-
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src/core/mount.c | 2 ++
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2 files changed, 65 insertions(+), 1 deletion(-)
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diff --git src/core/dbus-mount.c src/core/dbus-mount.c
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index e64d3ea..e27019d 100644
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--- src/core/dbus-mount.c
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+++ src/core/dbus-mount.c
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@@ -124,6 +124,47 @@ const sd_bus_vtable bus_mount_vtable[] = {
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SD_BUS_VTABLE_END
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};
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+static int bus_mount_set_transient_property(
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+ Mount *m,
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+ const char *name,
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+ sd_bus_message *message,
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+ UnitSetPropertiesMode mode,
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+ sd_bus_error *error) {
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+
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+ const char *new_property;
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+ char **property;
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+ char *p;
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+ int r;
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+
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+ assert(m);
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+ assert(name);
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+ assert(message);
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+
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+ if (streq(name, "What"))
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+ property = &m->parameters_fragment.what;
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+ else if (streq(name, "Options"))
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+ property = &m->parameters_fragment.options;
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+ else if (streq(name, "Type"))
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+ property = &m->parameters_fragment.fstype;
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+ else
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+ return 0;
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+
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+ r = sd_bus_message_read(message, "s", &new_property);
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+ if (r < 0)
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+ return r;
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+
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+ if (mode != UNIT_CHECK) {
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+ p = strdup(new_property);
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+ if (!p)
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+ return -ENOMEM;
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+
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+ free(*property);
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+ *property = p;
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+ }
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+
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+ return 1;
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+}
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+
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int bus_mount_set_property(
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Unit *u,
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const char *name,
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@@ -132,12 +173,33 @@ int bus_mount_set_property(
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sd_bus_error *error) {
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Mount *m = MOUNT(u);
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+ int r;
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assert(m);
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assert(name);
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assert(message);
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- return bus_cgroup_set_property(u, &m->cgroup_context, name, message, mode, error);
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+ r = bus_cgroup_set_property(u, &m->cgroup_context, name, message, mode, error);
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+ if (r != 0)
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+ return r;
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+
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+ if (u->transient && u->load_state == UNIT_STUB) {
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+ /* This is a transient unit, let's load a little more */
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+
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+ r = bus_mount_set_transient_property(m, name, message, mode, error);
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+ if (r != 0)
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+ return r;
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+
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+ r = bus_exec_context_set_transient_property(u, &m->exec_context, name, message, mode, error);
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+ if (r != 0)
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+ return r;
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+
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+ r = bus_kill_context_set_transient_property(u, &m->kill_context, name, message, mode, error);
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+ if (r != 0)
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+ return r;
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+ }
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+
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+ return 0;
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}
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int bus_mount_commit_properties(Unit *u) {
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diff --git src/core/mount.c src/core/mount.c
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index a979837..14ac0a0 100644
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--- src/core/mount.c
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+++ src/core/mount.c
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@@ -1819,6 +1819,8 @@ const UnitVTable mount_vtable = {
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.get_timeout = mount_get_timeout,
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+ .can_transient = true,
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+
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.enumerate = mount_enumerate,
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.shutdown = mount_shutdown,
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--
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1.7.9.2
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