forked from rpms/libvirt
114 lines
3.2 KiB
Diff
114 lines
3.2 KiB
Diff
From 272c540c20234508b31dcb9a7c3b548e2e328656 Mon Sep 17 00:00:00 2001
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Message-Id: <272c540c20234508b31dcb9a7c3b548e2e328656@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 1 Jul 2019 17:06:38 +0200
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Subject: [PATCH] vircgroup: extract virCgroupV1HasEmptyTasks
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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: Fabiano Fidêncio <fidencio@redhat.com>
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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 c4047141a0af36c5d428bfcc1f14d012f8352a11)
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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: <e81675457cc7dd357792080ff07d5e1159b88738.1561993100.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/vircgroup.c | 13 +------------
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src/util/vircgroupbackend.h | 5 +++++
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src/util/vircgroupv1.c | 20 ++++++++++++++++++++
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3 files changed, 26 insertions(+), 12 deletions(-)
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diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
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index a5076cb554..d4d02d8f5b 100644
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--- a/src/util/vircgroup.c
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+++ b/src/util/vircgroup.c
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@@ -3465,18 +3465,7 @@ virCgroupSupportsCpuBW(virCgroupPtr cgroup)
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int
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virCgroupHasEmptyTasks(virCgroupPtr cgroup, int controller)
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{
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- int ret = -1;
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- VIR_AUTOFREE(char *) content = NULL;
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-
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- if (!cgroup)
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- return -1;
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-
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- ret = virCgroupGetValueStr(cgroup, controller, "tasks", &content);
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-
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- if (ret == 0 && content[0] == '\0')
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- ret = 1;
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-
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- return ret;
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+ return cgroup->backend->hasEmptyTasks(cgroup, controller);
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}
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bool
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diff --git a/src/util/vircgroupbackend.h b/src/util/vircgroupbackend.h
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index bff1f8938e..3e0f6d01f4 100644
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--- a/src/util/vircgroupbackend.h
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+++ b/src/util/vircgroupbackend.h
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@@ -122,6 +122,10 @@ typedef int
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pid_t pid,
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unsigned int flags);
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+typedef int
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+(*virCgroupHasEmptyTasksCB)(virCgroupPtr cgroup,
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+ int controller);
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+
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struct _virCgroupBackend {
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virCgroupBackendType type;
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@@ -141,6 +145,7 @@ struct _virCgroupBackend {
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virCgroupMakeGroupCB makeGroup;
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virCgroupRemoveCB remove;
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virCgroupAddTaskCB addTask;
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+ virCgroupHasEmptyTasksCB hasEmptyTasks;
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};
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typedef struct _virCgroupBackend virCgroupBackend;
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typedef virCgroupBackend *virCgroupBackendPtr;
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diff --git a/src/util/vircgroupv1.c b/src/util/vircgroupv1.c
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index fda2c43eef..b057cdfd9e 100644
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--- a/src/util/vircgroupv1.c
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+++ b/src/util/vircgroupv1.c
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@@ -736,6 +736,25 @@ virCgroupV1AddTask(virCgroupPtr group,
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}
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+static int
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+virCgroupV1HasEmptyTasks(virCgroupPtr cgroup,
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+ int controller)
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+{
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+ int ret = -1;
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+ VIR_AUTOFREE(char *) content = NULL;
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+
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+ if (!cgroup)
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+ return -1;
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+
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+ ret = virCgroupGetValueStr(cgroup, controller, "tasks", &content);
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+
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+ if (ret == 0 && content[0] == '\0')
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+ ret = 1;
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+
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+ return ret;
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+}
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+
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+
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virCgroupBackend virCgroupV1Backend = {
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.type = VIR_CGROUP_BACKEND_TYPE_V1,
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@@ -754,6 +773,7 @@ virCgroupBackend virCgroupV1Backend = {
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.makeGroup = virCgroupV1MakeGroup,
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.remove = virCgroupV1Remove,
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.addTask = virCgroupV1AddTask,
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+ .hasEmptyTasks = virCgroupV1HasEmptyTasks,
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};
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--
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2.22.0
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