From: Peter Krempa <pkrempa@redhat.com>
Date: Fri, 12 May 2017 14:00:27 +0000 (+0200)
Subject: qemu: Support only raw volumes in qemuDomainBlockPeek
X-Git-Tag: v3.6.0-rc1~227
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b662d0b52003accaea865a694c4eb35d87a3b5bc;p=thirdparty%2Flibvirt.git

qemu: Support only raw volumes in qemuDomainBlockPeek

The API documents that it peeks into the VM disk. We can't do that
currently for non raw images so report an error.
---

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index d976826d70..a7019c53cc 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -11328,6 +11328,12 @@ qemuDomainBlockPeek(virDomainPtr dom,
         goto cleanup;
     }
 
+    if (disk->src->format != VIR_STORAGE_FILE_RAW) {
+        virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
+                       _("peeking is supported only for RAW disks"));
+        goto cleanup;
+    }
+
     if (qemuDomainStorageFileInit(driver, vm, disk->src) < 0)
         goto cleanup;