check for version 5.1 and not 5.10

Author: JoaoJandre

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCompressBackupCommandWrapper.java

@@ -99,7 +99,7 @@ public Answer execute(CompressBackupCommand command, LibvirtComputingResource se
         return new Answer(command);
     }
     private Integer validateAndGetRateLimit(CompressBackupCommand command, QemuImg qemuImg) {
-        if (qemuImg.getVersion() < QemuImg.QEMU_5_20) {
+        if (qemuImg.getVersion() < QemuImg.QEMU_5_2) {
             throw new CloudRuntimeException("Qemu version is lower than 5.2.0, unable to set the rate limit.");
         }
         return command.getRateLimit() < 1 ? null : command.getRateLimit();
@@ -109,7 +109,7 @@ private Integer validateAndGetRateLimit(CompressBackupCommand command, QemuImg q
      * Sets the compression type option if qemu-img is at least in version 5.1. Otherwise, will not set it and qemu will use zlib.
      * */
     private void setCompressionTypeOptionIfAvailable(QemuImg qemuImg, HashMap<String, String> options, Backup.CompressionLibrary compressionLib) {
-        if (qemuImg.getVersion() >= QemuImg.QEMU_5_10) {
+        if (qemuImg.getVersion() >= QemuImg.QEMU_5_1) {
             options.put(COMPRESSION_TYPE, compressionLib.name());
             return;
         }

plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/qemu/QemuImg.java

@@ -54,8 +54,8 @@ public class QemuImg {
     public static final String TARGET_ZERO_FLAG = "--target-is-zero";
     public static final String PREALLOCATION = "preallocation";
     public static final long QEMU_2_10 = 2010000;
-    public static final long QEMU_5_10 = 5010000;
-    public static final long QEMU_5_20 = 5020000;
+    public static final long QEMU_5_1 = 5001000;
+    public static final long QEMU_5_2 = 5002000;
 
     public static final int MIN_BITMAP_VERSION = 3;
 
@@ -520,7 +520,7 @@ public void convert(final QemuImgFile srcFile, final QemuImgFile destFile, QemuI
             script.add(srcFile.getFileName());
         }
 
-        if (this.version >= QEMU_5_10 && keepBitmaps && Qcow2Inspector.validateQcow2Version(srcFile.getFileName(), MIN_BITMAP_VERSION)) {
+        if (this.version >= QEMU_5_1 && keepBitmaps && Qcow2Inspector.validateQcow2Version(srcFile.getFileName(), MIN_BITMAP_VERSION)) {
             script.add("--bitmaps");
         }