libvirt/libvirt-qemu_namespace-Introduce-qemuDomainNamespaceSetupPath.patch

From d515c964d740274d01bb8de1e5b0351490d6b9d3 Mon Sep 17 00:00:00 2001
Message-Id: <d515c964d740274d01bb8de1e5b0351490d6b9d3@dist-git>
From: Michal Privoznik <mprivozn@redhat.com>
Date: Tue, 6 Sep 2022 13:43:58 +0200
Subject: [PATCH] qemu_namespace: Introduce qemuDomainNamespaceSetupPath()

Sometimes it may come handy to just bind mount a directory/file
into domain's namespace. Implement a thin wrapper over
qemuNamespaceMknodPaths() which has all the logic we need.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
(cherry picked from commit 5853d707189005a4ea5b2215e80853867b822fd9)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2123196
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---
 src/qemu/qemu_namespace.c | 19 +++++++++++++++++++
 src/qemu/qemu_namespace.h |  4 ++++
 2 files changed, 23 insertions(+)

diff --git a/src/qemu/qemu_namespace.c b/src/qemu/qemu_namespace.c
index fc286ab0be..74ffd6fb90 100644
--- a/src/qemu/qemu_namespace.c
+++ b/src/qemu/qemu_namespace.c
@@ -1398,6 +1398,25 @@ qemuNamespaceUnlinkPaths(virDomainObj *vm,
 }
 
 
+int
+qemuDomainNamespaceSetupPath(virDomainObj *vm,
+                             const char *path,
+                             bool *created)
+{
+    g_autoptr(virGSListString) paths = NULL;
+
+    if (!qemuDomainNamespaceEnabled(vm, QEMU_DOMAIN_NS_MOUNT))
+        return 0;
+
+    paths = g_slist_prepend(paths, g_strdup(path));
+
+    if (qemuNamespaceMknodPaths(vm, paths, created) < 0)
+        return -1;
+
+    return 0;
+}
+
+
 int
 qemuDomainNamespaceSetupDisk(virDomainObj *vm,
                              virStorageSource *src,
diff --git a/src/qemu/qemu_namespace.h b/src/qemu/qemu_namespace.h
index 020aca13d8..1ab9322061 100644
--- a/src/qemu/qemu_namespace.h
+++ b/src/qemu/qemu_namespace.h
@@ -49,6 +49,10 @@ void qemuDomainDestroyNamespace(virQEMUDriver *driver,
 
 bool qemuDomainNamespaceAvailable(qemuDomainNamespace ns);
 
+int qemuDomainNamespaceSetupPath(virDomainObj *vm,
+                                 const char *path,
+                                 bool *created);
+
 int qemuDomainNamespaceSetupDisk(virDomainObj *vm,
                                  virStorageSource *src,
                                  bool *created);
-- 
2.38.0