[libvirt] [PATCH] storage: Fix lvcreate parameter for backingStore.

[Michal Privoznik]

On 18.01.2013 03:41, Atsushi Kumagai wrote:
> When virStorageBackendLogicalCreateVol() creates a snapshot for a
> logical volume with backingStore element, it fails with the message
> below:
> 
>   2013-01-17 03:10:18.869+0000: 1967: error : virCommandWait:2345 :
>   internal error Child process (/sbin/lvcreate --name lvm-snapshot -L 51200K
>   -s=/dev/lvm-pool/lvm-volume) unexpected exit status 3: /sbin/lvcreate:
>   invalid option -- '='  Error during parsing of command line.
> 
> This is because virCommandAddArgPair() uses '=' to connect the two
> parameters, it's unsuitable for -s option of the lvcreate.
> 
> Signed-off-by: Atsushi Kumagai <kumagai-atsushi at mxc.nes.nec.co.jp>
> 
> ---
>  src/storage/storage_backend_logical.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/src/storage/storage_backend_logical.c b/src/storage/storage_backend_logical.c
> index 91db3fd..bb709df 100644
> --- a/src/storage/storage_backend_logical.c
> +++ b/src/storage/storage_backend_logical.c
> @@ -736,7 +736,7 @@ virStorageBackendLogicalCreateVol(virConnectPtr conn,
>      }
>      virCommandAddArgFormat(cmd, "%lluK", VIR_DIV_UP(vol->capacity, 1024));
>      if (vol->backingStore.path)
> -        virCommandAddArgPair(cmd, "-s", vol->backingStore.path);
> +        virCommandAddArgList(cmd, "-s", vol->backingStore.path, NULL);
>      else
>          virCommandAddArg(cmd, pool->def->source.name);
> 

ACKed and pushed.

Michal