libvirt/SOURCES/libvirt-vircgroup-extract-v...

112 lines
3.4 KiB
Diff

From 36f035a5d6620f5f39f4aec45d4ec1ec0fa7ccbc Mon Sep 17 00:00:00 2001
Message-Id: <36f035a5d6620f5f39f4aec45d4ec1ec0fa7ccbc@dist-git>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Mon, 1 Jul 2019 17:06:59 +0200
Subject: [PATCH] vircgroup: extract virCgroupV1SupportsCpuBW
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
(cherry picked from commit d182fac0bb07ff06ca938b40030849f86dfa24f1)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Message-Id: <679862bf39de7fbd81ab5b1e65c61cf578abb944.1561993100.git.phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/util/vircgroup.c | 13 +------------
src/util/vircgroupbackend.h | 4 ++++
src/util/vircgroupv1.c | 19 +++++++++++++++++++
3 files changed, 24 insertions(+), 12 deletions(-)
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index a3e7954d03..fa9fa52019 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -2685,18 +2685,7 @@ int virCgroupSetOwner(virCgroupPtr cgroup,
bool
virCgroupSupportsCpuBW(virCgroupPtr cgroup)
{
- VIR_AUTOFREE(char *) path = NULL;
-
- if (!cgroup)
- return false;
-
- if (virCgroupPathOfController(cgroup, VIR_CGROUP_CONTROLLER_CPU,
- "cpu.cfs_period_us", &path) < 0) {
- virResetLastError();
- return false;
- }
-
- return virFileExists(path);
+ VIR_CGROUP_BACKEND_CALL(cgroup, supportsCpuBW, false);
}
int
diff --git a/src/util/vircgroupbackend.h b/src/util/vircgroupbackend.h
index f7c230db76..d3d5e7c222 100644
--- a/src/util/vircgroupbackend.h
+++ b/src/util/vircgroupbackend.h
@@ -300,6 +300,9 @@ typedef int
(*virCgroupGetCpuCfsQuotaCB)(virCgroupPtr group,
long long *cfs_quota);
+typedef bool
+(*virCgroupSupportsCpuBWCB)(virCgroupPtr cgroup);
+
struct _virCgroupBackend {
virCgroupBackendType type;
@@ -361,6 +364,7 @@ struct _virCgroupBackend {
virCgroupGetCpuCfsPeriodCB getCpuCfsPeriod;
virCgroupSetCpuCfsQuotaCB setCpuCfsQuota;
virCgroupGetCpuCfsQuotaCB getCpuCfsQuota;
+ virCgroupSupportsCpuBWCB supportsCpuBW;
};
typedef struct _virCgroupBackend virCgroupBackend;
typedef virCgroupBackend *virCgroupBackendPtr;
diff --git a/src/util/vircgroupv1.c b/src/util/vircgroupv1.c
index 25f7376026..f2a8839f6e 100644
--- a/src/util/vircgroupv1.c
+++ b/src/util/vircgroupv1.c
@@ -1846,6 +1846,24 @@ virCgroupV1GetCpuCfsQuota(virCgroupPtr group,
}
+static bool
+virCgroupV1SupportsCpuBW(virCgroupPtr cgroup)
+{
+ VIR_AUTOFREE(char *) path = NULL;
+
+ if (!cgroup)
+ return false;
+
+ if (virCgroupV1PathOfController(cgroup, VIR_CGROUP_CONTROLLER_CPU,
+ "cpu.cfs_period_us", &path) < 0) {
+ virResetLastError();
+ return false;
+ }
+
+ return virFileExists(path);
+}
+
+
virCgroupBackend virCgroupV1Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V1,
@@ -1905,6 +1923,7 @@ virCgroupBackend virCgroupV1Backend = {
.getCpuCfsPeriod = virCgroupV1GetCpuCfsPeriod,
.setCpuCfsQuota = virCgroupV1SetCpuCfsQuota,
.getCpuCfsQuota = virCgroupV1GetCpuCfsQuota,
+ .supportsCpuBW = virCgroupV1SupportsCpuBW,
};
--
2.22.0