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From 6f37c631f12c0e9b7e9fe8ade5b5a98392090cfb Mon Sep 17 00:00:00 2001
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Message-Id: <6f37c631f12c0e9b7e9fe8ade5b5a98392090cfb@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 1 Jul 2019 17:06:30 +0200
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Subject: [PATCH] vircgroup: extract virCgroupV1StealPlacement
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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 12264c12c819259edeb3e5adb59281906b673ca7)
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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: <5f083ec4400455a10608945377f943a071e36c43.1561993100.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 | 3 +--
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src/util/vircgroupbackend.h | 4 ++++
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src/util/vircgroupv1.c | 12 ++++++++++++
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3 files changed, 17 insertions(+), 2 deletions(-)
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diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
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index b17a1dcbb7..0e64ad67f4 100644
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--- a/src/util/vircgroup.c
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+++ b/src/util/vircgroup.c
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@@ -1323,8 +1323,7 @@ virCgroupNewMachineSystemd(const char *name,
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&init) < 0)
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return -1;
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- path = init->controllers[VIR_CGROUP_CONTROLLER_SYSTEMD].placement;
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- init->controllers[VIR_CGROUP_CONTROLLER_SYSTEMD].placement = NULL;
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+ path = init->backend->stealPlacement(init);
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virCgroupFree(&init);
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if (!path || STREQ(path, "/") || path[0] != '/') {
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diff --git a/src/util/vircgroupbackend.h b/src/util/vircgroupbackend.h
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index 086cfb8090..9c0bd89793 100644
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--- a/src/util/vircgroupbackend.h
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+++ b/src/util/vircgroupbackend.h
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@@ -66,6 +66,9 @@ typedef int
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(*virCgroupValidatePlacementCB)(virCgroupPtr group,
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pid_t pid);
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+typedef char *
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+(*virCgroupStealPlacementCB)(virCgroupPtr group);
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+
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struct _virCgroupBackend {
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virCgroupBackendType type;
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@@ -77,6 +80,7 @@ struct _virCgroupBackend {
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virCgroupDetectMountsCB detectMounts;
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virCgroupDetectPlacementCB detectPlacement;
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virCgroupValidatePlacementCB validatePlacement;
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+ virCgroupStealPlacementCB stealPlacement;
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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 2c905a832a..446546fd58 100644
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--- a/src/util/vircgroupv1.c
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+++ b/src/util/vircgroupv1.c
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@@ -403,6 +403,17 @@ virCgroupV1ValidatePlacement(virCgroupPtr group,
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}
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+static char *
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+virCgroupV1StealPlacement(virCgroupPtr group)
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+{
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+ char *ret = NULL;
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+
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+ VIR_STEAL_PTR(ret, group->controllers[VIR_CGROUP_CONTROLLER_SYSTEMD].placement);
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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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@@ -413,6 +424,7 @@ virCgroupBackend virCgroupV1Backend = {
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.detectMounts = virCgroupV1DetectMounts,
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.detectPlacement = virCgroupV1DetectPlacement,
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.validatePlacement = virCgroupV1ValidatePlacement,
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+ .stealPlacement = virCgroupV1StealPlacement,
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};
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--
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2.22.0
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