qemu: blockjob: Add 'concluded' state for a block job

This new state is entered when qemu finished the job but libvirt does
not know whether it was successful or not.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/qemu/qemu_blockjob.c

@@ -52,7 +52,8 @@ VIR_ENUM_IMPL(qemuBlockjobState,
               "cancelled",
               "ready",
               "new",
-              "running");
+              "running",
+              "concluded");
 
 VIR_ENUM_IMPL(qemuBlockjob,
               QEMU_BLOCKJOB_TYPE_LAST,

src/qemu/qemu_blockjob.h

@@ -38,6 +38,8 @@ typedef enum {
     /* Additional enum values local to qemu */
     QEMU_BLOCKJOB_STATE_NEW,
     QEMU_BLOCKJOB_STATE_RUNNING,
+    QEMU_BLOCKJOB_STATE_CONCLUDED, /* job has finished, but it's unknown
+                                      whether it has failed or not */
     QEMU_BLOCKJOB_STATE_LAST
 } qemuBlockjobState;
 verify((int)QEMU_BLOCKJOB_STATE_NEW == VIR_DOMAIN_BLOCK_JOB_LAST);