[libvirt] [PREPOST 17/17] src/xenxs:Refactor disk config formating code

[David Kiarie]

From: Kiarie Kahurani <davidkiarie4 at gmail.com>

Introduce function
xenFormatXMDomainDisks(virConfPtr conf, .....);
which formats disk config

signed-off-by: David Kiarie<davidkiarie4 at gmail.com>
---
 src/xenxs/xen_xm.c | 62 +++++++++++++++++++++++++++++++-----------------------
 1 file changed, 36 insertions(+), 26 deletions(-)

diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
index 613730f..10f3d05 100644
--- a/src/xenxs/xen_xm.c
+++ b/src/xenxs/xen_xm.c
@@ -1956,6 +1956,41 @@ static int xenFormatXMVfb(virConfPtr conf, virDomainDefPtr def,
 
     return 0;
 }
+static int xenFormatXMDomainDisks(virConfPtr conf, virDomainDefPtr def,
+                                  int xendConfigVersion)
+{
+    virConfValuePtr diskVal = NULL;
+    size_t i = 0;
+    int hvm = STREQ(def->os.type, "hvm");
+    if (VIR_ALLOC(diskVal) < 0)
+        return -1;
+    diskVal->type = VIR_CONF_LIST;
+    diskVal->list = NULL;
+
+    for (i = 0; i < def->ndisks; i++) {
+        if (xendConfigVersion == XEND_CONFIG_VERSION_3_0_2 &&
+            def->disks[i]->device == VIR_DOMAIN_DISK_DEVICE_CDROM &&
+            def->disks[i]->dst &&
+            STREQ(def->disks[i]->dst, "hdc")) {
+            continue;
+        }
+        if (def->disks[i]->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY)
+            continue;
+
+        if (xenFormatXMDisk(diskVal, def->disks[i],
+                            hvm, xendConfigVersion) < 0)
+            return -1;
+    }
+    if (diskVal->list != NULL) {
+        int ret = virConfSetValue(conf, "disk", diskVal);
+        diskVal = NULL;
+        if (ret < 0)
+            return -1;
+    }
+    VIR_FREE(diskVal);
+
+    return 0;
+}
 virConfPtr xenFormatXM(virConnectPtr conn,
                                    virDomainDefPtr def,
                                    int xendConfigVersion)
@@ -2134,33 +2169,8 @@ virConfPtr xenFormatXM(virConnectPtr conn,
     }
     if (xenFormatXMVfb(conf, def, xendConfigVersion) < 0)
         goto cleanup;
-    /* analyze of the devices */
-    if (VIR_ALLOC(diskVal) < 0)
+    if (xenFormatXMDomainDisks(conf, def, xendConfigVersion) < 0)
         goto cleanup;
-    diskVal->type = VIR_CONF_LIST;
-    diskVal->list = NULL;
-
-    for (i = 0; i < def->ndisks; i++) {
-        if (xendConfigVersion == XEND_CONFIG_VERSION_3_0_2 &&
-            def->disks[i]->device == VIR_DOMAIN_DISK_DEVICE_CDROM &&
-            def->disks[i]->dst &&
-            STREQ(def->disks[i]->dst, "hdc")) {
-            continue;
-        }
-        if (def->disks[i]->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY)
-            continue;
-
-        if (xenFormatXMDisk(diskVal, def->disks[i],
-                            hvm, xendConfigVersion) < 0)
-            goto cleanup;
-    }
-    if (diskVal->list != NULL) {
-        int ret = virConfSetValue(conf, "disk", diskVal);
-        diskVal = NULL;
-        if (ret < 0)
-            goto cleanup;
-    }
-    VIR_FREE(diskVal);
     if (xenFormatXMDomainNet(conf, conn, def, xendConfigVersion) < 0)
         goto cleanup;
     if (xenFormatXMPCI(conf, def) < 0)
-- 
1.8.4.5