[libvirt] [PATCH 44/47] vircgroup: extract virCgroupV1(Set|Get)CpusetMemoryMigrate

Pavel Hrdina phrdina at redhat.com
Tue Sep 18 15:46:05 UTC 2018


Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
---
 src/util/vircgroup.c        | 13 ++-----------
 src/util/vircgroupbackend.h | 10 ++++++++++
 src/util/vircgroupv1.c      | 27 +++++++++++++++++++++++++++
 3 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index 1e19813cb3..c37ada7c26 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -1744,10 +1744,7 @@ virCgroupGetCpusetMems(virCgroupPtr group, char **mems)
 int
 virCgroupSetCpusetMemoryMigrate(virCgroupPtr group, bool migrate)
 {
-    return virCgroupSetValueStr(group,
-                                VIR_CGROUP_CONTROLLER_CPUSET,
-                                "cpuset.memory_migrate",
-                                migrate ? "1" : "0");
+    VIR_CGROUP_BACKEND_CALL(group, setCpusetMemoryMigrate, -1, migrate);
 }
 
 
@@ -1762,13 +1759,7 @@ virCgroupSetCpusetMemoryMigrate(virCgroupPtr group, bool migrate)
 int
 virCgroupGetCpusetMemoryMigrate(virCgroupPtr group, bool *migrate)
 {
-    unsigned long long value = 0;
-    int ret = virCgroupGetValueU64(group,
-                                   VIR_CGROUP_CONTROLLER_CPUSET,
-                                   "cpuset.memory_migrate",
-                                   &value);
-    *migrate = !!value;
-    return ret;
+    VIR_CGROUP_BACKEND_CALL(group, getCpusetMemoryMigrate, -1, migrate);
 }
 
 
diff --git a/src/util/vircgroupbackend.h b/src/util/vircgroupbackend.h
index 86fe8ce2db..887a508a15 100644
--- a/src/util/vircgroupbackend.h
+++ b/src/util/vircgroupbackend.h
@@ -324,6 +324,14 @@ typedef int
 (*virCgroupGetCpusetMemsCB)(virCgroupPtr group,
                             char **mems);
 
+typedef int
+(*virCgroupSetCpusetMemoryMigrateCB)(virCgroupPtr group,
+                                     bool migrate);
+
+typedef int
+(*virCgroupGetCpusetMemoryMigrateCB)(virCgroupPtr group,
+                                     bool *migrate);
+
 struct _virCgroupBackend {
     virCgroupBackendType type;
 
@@ -396,6 +404,8 @@ struct _virCgroupBackend {
 
     virCgroupSetCpusetMemsCB setCpusetMems;
     virCgroupGetCpusetMemsCB getCpusetMems;
+    virCgroupSetCpusetMemoryMigrateCB setCpusetMemoryMigrate;
+    virCgroupGetCpusetMemoryMigrateCB getCpusetMemoryMigrate;
 };
 typedef struct _virCgroupBackend virCgroupBackend;
 typedef virCgroupBackend *virCgroupBackendPtr;
diff --git a/src/util/vircgroupv1.c b/src/util/vircgroupv1.c
index aff1706c5b..8070aede3e 100644
--- a/src/util/vircgroupv1.c
+++ b/src/util/vircgroupv1.c
@@ -1965,6 +1965,31 @@ virCgroupV1GetCpusetMems(virCgroupPtr group,
 }
 
 
+static int
+virCgroupV1SetCpusetMemoryMigrate(virCgroupPtr group,
+                                  bool migrate)
+{
+    return virCgroupSetValueStr(group,
+                                VIR_CGROUP_CONTROLLER_CPUSET,
+                                "cpuset.memory_migrate",
+                                migrate ? "1" : "0");
+}
+
+
+static int
+virCgroupV1GetCpusetMemoryMigrate(virCgroupPtr group,
+                                  bool *migrate)
+{
+    unsigned long long value = 0;
+    int ret = virCgroupGetValueU64(group,
+                                   VIR_CGROUP_CONTROLLER_CPUSET,
+                                   "cpuset.memory_migrate",
+                                   &value);
+    *migrate = !!value;
+    return ret;
+}
+
+
 virCgroupBackend virCgroupV1Backend = {
     .type = VIR_CGROUP_BACKEND_TYPE_V1,
 
@@ -2035,6 +2060,8 @@ virCgroupBackend virCgroupV1Backend = {
 
     .setCpusetMems = virCgroupV1SetCpusetMems,
     .getCpusetMems = virCgroupV1GetCpusetMems,
+    .setCpusetMemoryMigrate = virCgroupV1SetCpusetMemoryMigrate,
+    .getCpusetMemoryMigrate = virCgroupV1GetCpusetMemoryMigrate,
 };
 
 
-- 
2.17.1




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