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vircgroup: Ensure /machine group is associated with its parent

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Call first virCgroupNew on the parent group virCgroupNewPartition if
it is available on before the creation of the child group.  This
ensures that the creation of a first level group on the unified
architecture, as the check at virCgroupV2ParseControllersFile as the
parent file is there.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1760233

Signed-off-by: Miguel Ángel Arruga Vivas <rosen644835@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Miguel Ángel Arruga Vivas 2019-11-04 15:55:23 +01:00 committed by Michal Privoznik
parent ddcb33bdc0
commit a74df786a2
1 changed files with 5 additions and 3 deletions
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8
src/util/vircgroup.c
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@ -847,9 +847,6 @@ virCgroupNewPartition(const char *path,
if (virCgroupSetPartitionSuffix(path, &newPath) < 0)
goto cleanup;
if (virCgroupNew(-1, newPath, NULL, controllers, group) < 0)
goto cleanup;
if (STRNEQ(newPath, "/")) {
char *tmp;
parentPath = g_strdup(newPath);
@ -860,7 +857,12 @@ virCgroupNewPartition(const char *path,
if (virCgroupNew(-1, parentPath, NULL, controllers, &parent) < 0)
goto cleanup;
}
if (virCgroupNew(-1, newPath, parent, controllers, group) < 0)
goto cleanup;
if (parent) {
if (virCgroupMakeGroup(parent, *group, create, VIR_CGROUP_NONE) < 0)
goto cleanup;
}