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vircgroup: introduce virCgroupV2CopyPlacement

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2018-09-25 14:34:01 +02:00
parent 38a3fb5647
commit 7a86201dd6
1 changed files with 27 additions and 0 deletions
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27
src/util/vircgroupv2.c
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@ -139,12 +139,39 @@ virCgroupV2CopyMounts(virCgroupPtr group,
}
static int
virCgroupV2CopyPlacement(virCgroupPtr group,
const char *path,
virCgroupPtr parent)
{
if (path[0] == '/') {
if (VIR_STRDUP(group->unified.placement, path) < 0)
return -1;
} else {
/*
* parent == "/" + path="" => "/"
* parent == "/libvirt.service" + path == "" => "/libvirt.service"
* parent == "/libvirt.service" + path == "foo" => "/libvirt.service/foo"
*/
if (virAsprintf(&group->unified.placement, "%s%s%s",
parent->unified.placement,
(STREQ(parent->unified.placement, "/") ||
STREQ(path, "") ? "" : "/"),
path) < 0)
return -1;
}
return 0;
}
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
.available = virCgroupV2Available,
.validateMachineGroup = virCgroupV2ValidateMachineGroup,
.copyMounts = virCgroupV2CopyMounts,
.copyPlacement = virCgroupV2CopyPlacement,
};