[libvirt PATCH 08/25] vircgroup: introduce virCgroupSetBackends helper
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroup.c | 44 ++++++++++++++++++++++++++++----------------
1 file changed, 28 insertions(+), 16 deletions(-)
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index 7ff23e1218..3db20ed262 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -212,6 +212,33 @@ virCgroupPartitionEscape(char **path)
}
+static int
+virCgroupSetBackends(virCgroupPtr group)
+{
+ virCgroupBackendPtr *backends = virCgroupBackendGetAll();
+ bool backendAvailable = false;
+ size_t i;
+
+ if (!backends)
+ return -1;
+
+ for (i = 0; i < VIR_CGROUP_BACKEND_TYPE_LAST; i++) {
+ if (backends[i] && backends[i]->available()) {
+ group->backends[i] = backends[i];
+ backendAvailable = true;
+ }
+ }
+
+ if (!backendAvailable) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("no cgroup backend available"));
+ return -1;
+ }
+
+ return 0;
+}
+
+
/*
* Process /proc/mounts figuring out what controllers are
* mounted and where
@@ -339,29 +366,14 @@ virCgroupDetect(virCgroupPtr group,
virCgroupPtr parent)
{
size_t i;
- bool backendAvailable = false;
int controllersAvailable = 0;
- virCgroupBackendPtr *backends = virCgroupBackendGetAll();
VIR_DEBUG("group=%p controllers=%d path=%s parent=%p",
group, controllers, path, parent);
- if (!backends)
+ if (virCgroupSetBackends(group) < 0)
return -1;
- for (i = 0; i < VIR_CGROUP_BACKEND_TYPE_LAST; i++) {
- if (backends[i] && backends[i]->available()) {
- group->backends[i] = backends[i];
- backendAvailable = true;
- }
- }
-
- if (!backendAvailable) {
- virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
- _("no cgroup backend available"));
- return -1;
- }
-
if (parent) {
for (i = 0; i < VIR_CGROUP_BACKEND_TYPE_LAST; i++) {
if (group->backends[i] &&
--
2.26.2