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