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Re: [libvirt] storage_backend_fs.c Bug



Russell <russellhaering gmail com> wrote:
> Line 1133 of storage_backend_fs.c in 0.6.0:
>
>         if (vol->target.backingStore != NULL) {
>             virStorageReportError(conn, VIR_ERR_NO_SUPPORT,
>                                   _("copy-on-write image not supported with "
>                                     "qcow-create"));
>             return -1;
>         }
>
> virStorageVolTarget has no member called backingStore, resulting in
> compile errors.

Thanks for the report.
Here's a patch:

>From 5ba834b615a90df49da46d3f3c74cee1f9a5adec Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering redhat com>
Date: Tue, 17 Feb 2009 11:05:41 +0100
Subject: [PATCH] fix compile-error when configured without qemu-img

* src/storage_backend_fs.c (virStorageBackendFileSystemVolCreate):
Test vol->target.path, not vol->target.backingStore.
Reported by Russell Haering.
---
 src/storage_backend_fs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/storage_backend_fs.c b/src/storage_backend_fs.c
index 240de96..488f578 100644
--- a/src/storage_backend_fs.c
+++ b/src/storage_backend_fs.c
@@ -1130,7 +1130,7 @@ virStorageBackendFileSystemVolCreate(virConnectPtr conn,
                                   vol->target.format);
             return -1;
         }
-        if (vol->target.backingStore != NULL) {
+        if (vol->target.path != NULL) {
             virStorageReportError(conn, VIR_ERR_NO_SUPPORT,
                                   _("copy-on-write image not supported with "
                                     "qcow-create"));
--
1.6.2.rc1.175.g96b8a


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