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From 2a826bcdbe8e34af71634250ae814d5ff81d6ffc Mon Sep 17 00:00:00 2001
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Message-Id: <2a826bcdbe8e34af71634250ae814d5ff81d6ffc@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 1 Jul 2019 17:07:24 +0200
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Subject: [PATCH] vircgroup: introduce virCgroupV2PathOfController
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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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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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(cherry picked from commit 0542640a9c480993c7e8be6917b0f513277b4cea)
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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: <91b63d07af48bdb0fdc9648f4e5e4808cc90ad0e.1561993100.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/vircgroupv2.c | 24 ++++++++++++++++++++++++
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1 file changed, 24 insertions(+)
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diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
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index 65cbad533b..6695901766 100644
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--- a/src/util/vircgroupv2.c
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+++ b/src/util/vircgroupv2.c
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@@ -315,6 +315,29 @@ virCgroupV2GetAnyController(virCgroupPtr group)
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}
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+static int
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+virCgroupV2PathOfController(virCgroupPtr group,
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+ int controller,
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+ const char *key,
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+ char **path)
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+{
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+ if (!virCgroupV2HasController(group, controller)) {
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+ virReportError(VIR_ERR_INTERNAL_ERROR,
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+ _("v2 controller '%s' is not available"),
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+ virCgroupV2ControllerTypeToString(controller));
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+ return -1;
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+ }
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+
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+ if (virAsprintf(path, "%s%s/%s",
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+ group->unified.mountPoint,
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+ group->unified.placement,
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+ key ? key : "") < 0)
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+ return -1;
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+
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+ return 0;
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+}
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+
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+
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virCgroupBackend virCgroupV2Backend = {
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.type = VIR_CGROUP_BACKEND_TYPE_V2,
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@@ -329,6 +352,7 @@ virCgroupBackend virCgroupV2Backend = {
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.detectControllers = virCgroupV2DetectControllers,
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.hasController = virCgroupV2HasController,
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.getAnyController = virCgroupV2GetAnyController,
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+ .pathOfController = virCgroupV2PathOfController,
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};
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--
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2.22.0
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