libvirt/SOURCES/libvirt-vircgroup-extract-virCgroupV1CopyMounts.patch
2021-09-10 11:57:18 +00:00

130 lines
4.0 KiB
Diff

From ac37b7c9693d27c9c20f87b3fd077bf55ac1d34f Mon Sep 17 00:00:00 2001
Message-Id: <ac37b7c9693d27c9c20f87b3fd077bf55ac1d34f@dist-git>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Mon, 1 Jul 2019 17:06:26 +0200
Subject: [PATCH] vircgroup: extract virCgroupV1CopyMounts
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 47941ea7f52be44f609a6b6acc8895644039e617)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Message-Id: <b833625dd800eee0c3aac96f120ca27dae81ce89.1561993100.git.phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/util/vircgroup.c | 23 +----------------------
src/util/vircgroupbackend.h | 5 +++++
src/util/vircgroupv1.c | 22 ++++++++++++++++++++++
3 files changed, 28 insertions(+), 22 deletions(-)
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index 6825623478..9d644d37d1 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -235,27 +235,6 @@ virCgroupPartitionEscape(char **path)
}
-static int
-virCgroupCopyMounts(virCgroupPtr group,
- virCgroupPtr parent)
-{
- size_t i;
- for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {
- if (!parent->controllers[i].mountPoint)
- continue;
-
- if (VIR_STRDUP(group->controllers[i].mountPoint,
- parent->controllers[i].mountPoint) < 0)
- return -1;
-
- if (VIR_STRDUP(group->controllers[i].linkPoint,
- parent->controllers[i].linkPoint) < 0)
- return -1;
- }
- return 0;
-}
-
-
static int
virCgroupResolveMountLink(const char *mntDir,
const char *typeStr,
@@ -653,7 +632,7 @@ virCgroupDetect(virCgroupPtr group,
}
if (parent) {
- if (virCgroupCopyMounts(group, parent) < 0)
+ if (group->backend->copyMounts(group, parent) < 0)
return -1;
} else {
if (virCgroupDetectMounts(group) < 0)
diff --git a/src/util/vircgroupbackend.h b/src/util/vircgroupbackend.h
index daf47bac09..81ee597fc8 100644
--- a/src/util/vircgroupbackend.h
+++ b/src/util/vircgroupbackend.h
@@ -41,12 +41,17 @@ typedef bool
const char *drivername,
const char *machinename);
+typedef int
+(*virCgroupCopyMountsCB)(virCgroupPtr group,
+ virCgroupPtr parent);
+
struct _virCgroupBackend {
virCgroupBackendType type;
/* Mandatory callbacks that need to be implemented for every backend. */
virCgroupAvailableCB available;
virCgroupValidateMachineGroupCB validateMachineGroup;
+ virCgroupCopyMountsCB copyMounts;
};
typedef struct _virCgroupBackend virCgroupBackend;
typedef virCgroupBackend *virCgroupBackendPtr;
diff --git a/src/util/vircgroupv1.c b/src/util/vircgroupv1.c
index b78cdcab53..50b58ab413 100644
--- a/src/util/vircgroupv1.c
+++ b/src/util/vircgroupv1.c
@@ -160,11 +160,33 @@ virCgroupV1ValidateMachineGroup(virCgroupPtr group,
}
+static int
+virCgroupV1CopyMounts(virCgroupPtr group,
+ virCgroupPtr parent)
+{
+ size_t i;
+ for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {
+ if (!parent->controllers[i].mountPoint)
+ continue;
+
+ if (VIR_STRDUP(group->controllers[i].mountPoint,
+ parent->controllers[i].mountPoint) < 0)
+ return -1;
+
+ if (VIR_STRDUP(group->controllers[i].linkPoint,
+ parent->controllers[i].linkPoint) < 0)
+ return -1;
+ }
+ return 0;
+}
+
+
virCgroupBackend virCgroupV1Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V1,
.available = virCgroupV1Available,
.validateMachineGroup = virCgroupV1ValidateMachineGroup,
+ .copyMounts = virCgroupV1CopyMounts,
};
--
2.22.0