3:56 a.m.
---
src/lxc/lxc_native.c | 63 ++++++++++++++++++++++
tests/lxcconf2xmldata/lxcconf2xml-blkiotune.config | 7 +++
tests/lxcconf2xmldata/lxcconf2xml-blkiotune.xml | 35 ++++++++++++
tests/lxcconf2xmltest.c | 1 +
4 files changed, 106 insertions(+)
create mode 100644 tests/lxcconf2xmldata/lxcconf2xml-blkiotune.config
create mode 100644 tests/lxcconf2xmldata/lxcconf2xml-blkiotune.xml
diff --git a/src/lxc/lxc_native.c b/src/lxc/lxc_native.c
index e0a4769..346dbba 100644
--- a/src/lxc/lxc_native.c
+++ b/src/lxc/lxc_native.c
@@ -692,6 +692,65 @@ lxcSetCpusetTune(virDomainDefPtr def, virConfPtr properties)
return 0;
}
+static int
+lxcBlkioDeviceWalkCallback(const char *name, virConfValuePtr value, void *data)
+{
+ char **parts = NULL;
+ virBlkioDevicePtr device = NULL;
+ virDomainDefPtr def = data;
+
+ if (STRNEQ(name, "lxc.cgroup.blkio.device_weight") || !value->str)
+ return 0;
+
+ if ((!(parts = lxcStringSplit(value->str)) && (!parts[0] || !parts[1])))
{
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("invalid blkio.device_weight value: '%s'"),
+ value->str);
+ goto error;
+ }
+
+ if (VIR_EXPAND_N(def->blkio.devices, def->blkio.ndevices, 1) < 0)
+ goto error;
+ device = &def->blkio.devices[def->blkio.ndevices - 1];
+
+ if (virAsprintf(&device->path, "/dev/block/%s", parts[0]) < 0)
+ goto error;
+
+ if (virStrToLong_ui(parts[1], NULL, 10, &device->weight) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("failed to parse integer: '%s'"), parts[1]);
+ goto error;
+ }
+
+ virStringFreeList(parts);
+
+ return 0;
+
+error:
+ if (parts)
+ virStringFreeList(parts);
+ return -1;
+}
+
+static int
+lxcSetBlkioTune(virDomainDefPtr def, virConfPtr properties)
+{
+ virConfValuePtr value;
+
+ if ((value = virConfGetValue(properties, "lxc.cgroup.blkio.weight"))
&&
+ value->str && virStrToLong_ui(value->str, NULL, 10,
+ &def->blkio.weight) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("failed to parse integer: '%s'"),
value->str);
+ return -1;
+ }
+
+ if (virConfWalk(properties, lxcBlkioDeviceWalkCallback, def) < 0)
+ return -1;
+
+ return 0;
+}
+
virDomainDefPtr
lxcParseConfigString(const char *config)
{
@@ -776,6 +835,10 @@ lxcParseConfigString(const char *config)
if (lxcSetCpusetTune(vmdef, properties) < 0)
goto error;
+ /* lxc.cgroup.blkio.* */
+ if (lxcSetBlkioTune(vmdef, properties) < 0)
+ goto error;
+
goto cleanup;
error:
diff --git a/tests/lxcconf2xmldata/lxcconf2xml-blkiotune.config
b/tests/lxcconf2xmldata/lxcconf2xml-blkiotune.config
new file mode 100644
index 0000000..8083c71
--- /dev/null
+++ b/tests/lxcconf2xmldata/lxcconf2xml-blkiotune.config
@@ -0,0 +1,7 @@
+lxc.rootfs = /var/lib/lxc/migrate_test/rootfs
+lxc.utsname = migrate_test
+lxc.autodev=1
+
+lxc.cgroup.blkio.weight = 500
+lxc.cgroup.blkio.device_weight = 8:16 1000
+lxc.cgroup.blkio.device_weight = 8:0 300
diff --git a/tests/lxcconf2xmldata/lxcconf2xml-blkiotune.xml
b/tests/lxcconf2xmldata/lxcconf2xml-blkiotune.xml
new file mode 100644
index 0000000..d2408f4
--- /dev/null
+++ b/tests/lxcconf2xmldata/lxcconf2xml-blkiotune.xml
@@ -0,0 +1,35 @@
+<domain type='lxc'>
+ <name>migrate_test</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>65536</memory>
+ <currentMemory unit='KiB'>0</currentMemory>
+ <blkiotune>
+ <weight>500</weight>
+ <device>
+ <path>/dev/block/8:16</path>
+ <weight>1000</weight>
+ </device>
+ <device>
+ <path>/dev/block/8:0</path>
+ <weight>300</weight>
+ </device>
+ </blkiotune>
+ <vcpu placement='static' current='0'>1</vcpu>
+ <os>
+ <type>exe</type>
+ <init>/sbin/init</init>
+ </os>
+ <features>
+ <privnet/>
+ </features>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <filesystem type='mount' accessmode='passthrough'>
+ <source dir='/var/lib/lxc/migrate_test/rootfs'/>
+ <target dir='/'/>
+ </filesystem>
+ </devices>
+</domain>
diff --git a/tests/lxcconf2xmltest.c b/tests/lxcconf2xmltest.c
index 6bee5c5..77baf20 100644
--- a/tests/lxcconf2xmltest.c
+++ b/tests/lxcconf2xmltest.c
@@ -112,6 +112,7 @@ mymain(void)
DO_TEST("memtune", false);
DO_TEST("cputune", false);
DO_TEST("cpusettune", false);
+ DO_TEST("blkiotune", false);
return ret;
}
--
1.8.5.2