For new feature Fibre Channel VMID we will need to get inode of the
VM root cgroup as it is used in the new kernel API together with VMID.
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/libvirt_private.syms | 1 +
src/util/vircgroup.c | 31 +++++++++++++++++++++++++++++++
src/util/vircgroup.h | 2 ++
3 files changed, 34 insertions(+)
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 51a400ba59..fcb02c21b1 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1922,6 +1922,7 @@ virCgroupGetCpuShares;
virCgroupGetDevicePermsString;
virCgroupGetDomainTotalCpuStats;
virCgroupGetFreezerState;
+virCgroupGetInode;
virCgroupGetMemoryHardLimit;
virCgroupGetMemorySoftLimit;
virCgroupGetMemoryStat;
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index 1b3b28342e..4c9445340e 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -3973,3 +3973,34 @@ virCgroupGetCpuPeriodQuota(virCgroup *cgroup, unsigned long long
*period,
return 0;
}
+
+
+/**
+ * virCgroupGetInode:
+ *
+ * @cgroup: the cgroup to get inode for
+ *
+ * Get the @cgroup inode and return its value to the caller.
+ *
+ * Returns inode on success, -1 on error with error message reported.
+ */
+int
+virCgroupGetInode(virCgroup *cgroup)
+{
+ struct stat st;
+ int controller = virCgroupGetAnyController(cgroup);
+ g_autofree char *path = NULL;
+
+ if (controller < 0)
+ return -1;
+
+ if (virCgroupPathOfController(cgroup, controller, "", &path) < 0)
+ return -1;
+
+ if (stat(path, &st) < 0) {
+ virReportSystemError(errno, _("failed to get stat for '%s'"),
path);
+ return -1;
+ }
+
+ return st.st_ino;
+}
diff --git a/src/util/vircgroup.h b/src/util/vircgroup.h
index 8002cac570..690f09465c 100644
--- a/src/util/vircgroup.h
+++ b/src/util/vircgroup.h
@@ -283,3 +283,5 @@ int virCgroupSetOwner(virCgroup *cgroup,
int virCgroupHasEmptyTasks(virCgroup *cgroup, int controller);
bool virCgroupControllerAvailable(int controller);
+
+int virCgroupGetInode(virCgroup *cgroup);
--
2.31.1