[libvirt] [PATCH] qemu: Don't try to find compression program for "raw" memory images

[Michal Privoznik]

On 08.12.2016 11:33, Peter Krempa wrote:
> There's nothing to compress if the requested snapshot memory format is
> set to 'raw' explicitly. After commit 9e14689ea libvirt would try to
> run /sbin/raw to process them emory stream if the qemu.conf option
> snapshot_image_format is set.
> 
> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1402726
> ---
>  src/qemu/qemu_driver.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index 6b177e9..4ef1860 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -3300,6 +3300,9 @@ qemuGetCompressionProgram(const char *imageFormat,
>      if ((ret = qemuSaveCompressionTypeFromString(imageFormat)) < 0)
>          goto error;
> 
> +    if (ret == QEMU_SAVE_FORMAT_RAW)
> +        return QEMU_SAVE_FORMAT_RAW;
> +
>      if (!(*compresspath = virFindFileInPath(imageFormat)))
>          goto error;
> 

ACK

Michal