[libvirt] [PATCH 2/6] block_resize: Implemente the public API
---
src/libvirt.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 67 insertions(+), 0 deletions(-)
diff --git a/src/libvirt.c b/src/libvirt.c
index e4a21b6..a9b4b3c 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -6620,6 +6620,73 @@ error:
}
/**
+ * virDomainBlockResize:
+ * @dom: pointer to the domain object
+ * @devname: name of the block device
+ * @size: new size of the block image in kilobytes
+ * @flags: unused, always pass 0
+ *
+ * Note that this call may fail if the underlying virtualization hypervisor
+ * does not support it. And this call requires privileged access to the
+ * hypervisor.
+ *
+ * @devname is the name of the block device. Get this by calling
+ * virDomainGetXMLDesc and finding the <target dev='...'>
+ * attribute within //domain/devices/disk. (For example, "xvda").
+ *
+ * Resize a block device of domain while the domain is running.
+ *
+ * Returns: 0 in case of success or -1 in case of failure.
+ */
+
+int
+virDomainBlockResize (virDomainPtr dom,
+ const char *devname,
+ unsigned long long size,
+ unsigned int flags)
+{
+ virConnectPtr conn;
+
+ VIR_DOMAIN_DEBUG(dom, "devname=%s, size=%llu, flags=%x",
+ devname, size, flags);
+
+ virResetLastError();
+
+ if (!VIR_IS_CONNECTED_DOMAIN (dom)) {
+ virLibDomainError(VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
+ virDispatchError(NULL);
+ return -1;
+ }
+ conn = dom->conn;
+
+ if (dom->conn->flags & VIR_CONNECT_RO) {
+ virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
+ goto error;
+ }
+
+ if (!devname) {
+ virLibDomainError(VIR_ERR_INVALID_ARG,
+ _("devname is NULL"));
+ goto error;
+ }
+
+ if (conn->driver->domainBlockResize) {
+ int ret;
+ ret =conn->driver->domainBlockResize(dom, devname, size, flags);
+ if (ret < 0)
+ goto error;
+ return ret;
+ }
+
+ virLibDomainError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
+
+error:
+ virDispatchError(dom->conn);
+ return -1;
+}
+
+
+/**
* virDomainMemoryPeek:
* @dom: pointer to the domain object
* @start: start of memory to peek
--
1.7.6