libvirt/SOURCES/libvirt-vircgroup-Extract-controller-detection-into-function.patch
2021-09-10 11:57:18 +00:00

96 lines
2.7 KiB
Diff

From 931ae6bf56044020c057716e1db59288beca2bc8 Mon Sep 17 00:00:00 2001
Message-Id: <931ae6bf56044020c057716e1db59288beca2bc8@dist-git>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Mon, 1 Jul 2019 17:06:05 +0200
Subject: [PATCH] vircgroup: Extract controller detection into function
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
(cherry picked from commit bddf975c7615a30da0709b6c1509b43440d72393)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Message-Id: <484f007f9f43d727b829bb18fa4ad2f116a7fae1.1561993099.git.phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/util/vircgroup.c | 48 +++++++++++++++++++++++++++++---------------
1 file changed, 32 insertions(+), 16 deletions(-)
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index 45b854e864..6f27c50cbd 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -631,24 +631,11 @@ virCgroupDetectPlacement(virCgroupPtr group,
static int
-virCgroupDetect(virCgroupPtr group,
- pid_t pid,
- int controllers,
- const char *path,
- virCgroupPtr parent)
+virCgroupDetectControllers(virCgroupPtr group,
+ int controllers)
{
size_t i;
size_t j;
- VIR_DEBUG("group=%p controllers=%d path=%s parent=%p",
- group, controllers, path, parent);
-
- if (parent) {
- if (virCgroupCopyMounts(group, parent) < 0)
- return -1;
- } else {
- if (virCgroupDetectMounts(group) < 0)
- return -1;
- }
if (controllers >= 0) {
VIR_DEBUG("Filtering controllers %d", controllers);
@@ -703,8 +690,37 @@ virCgroupDetect(virCgroupPtr group,
}
}
+ return controllers;
+}
+
+
+static int
+virCgroupDetect(virCgroupPtr group,
+ pid_t pid,
+ int controllers,
+ const char *path,
+ virCgroupPtr parent)
+{
+ size_t i;
+ int rc;
+
+ VIR_DEBUG("group=%p controllers=%d path=%s parent=%p",
+ group, controllers, path, parent);
+
+ if (parent) {
+ if (virCgroupCopyMounts(group, parent) < 0)
+ return -1;
+ } else {
+ if (virCgroupDetectMounts(group) < 0)
+ return -1;
+ }
+
+ rc = virCgroupDetectControllers(group, controllers);
+ if (rc < 0)
+ return -1;
+
/* Check that at least 1 controller is available */
- if (!controllers) {
+ if (rc == 0) {
virReportSystemError(ENXIO, "%s",
_("At least one cgroup controller is required"));
return -1;
--
2.22.0