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vircgroup: refactor virCgroupNewPartition

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The old code passed an absolute path to virCgroupNewFromParent() which
is not necessary. The code can take the current placement of parent
cgroup and append a relative path.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Pavel Hrdina 2020-11-02 22:50:58 +01:00
parent 14674ad436
commit 6f0aa96f41
1 changed files with 14 additions and 4 deletions
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18
src/util/vircgroup.c
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@ -896,6 +896,7 @@ virCgroupNewPartition(const char *path,
g_autofree char *newPath = NULL;
g_autoptr(virCgroup) parent = NULL;
g_autoptr(virCgroup) newGroup = NULL;
char *partition = NULL;
VIR_DEBUG("path=%s create=%d controllers=%x",
path, create, controllers);
@ -914,17 +915,26 @@ virCgroupNewPartition(const char *path,
if (STRNEQ(newPath, "/")) {
char *tmp;
g_autofree char *parentPath = g_strdup(newPath);
const char *parentPath;
tmp = strrchr(parentPath, '/');
tmp++;
tmp = strrchr(newPath, '/');
*tmp = '\0';
if (tmp == newPath) {
parentPath = "/";
} else {
parentPath = newPath;
}
if (virCgroupNew(parentPath, controllers, &parent) < 0)
return -1;
partition = tmp + 1;
} else {
partition = newPath;
}
if (virCgroupNewFromParent(parent, newPath, controllers, &newGroup) < 0)
if (virCgroupNewFromParent(parent, partition, controllers, &newGroup) < 0)
return -1;
if (parent) {