On Wed, Jan 13, 2016 at 05:18:28PM +0800, Changlong Xie wrote:
> From: Wen Congyang <wency@cn.fujitsu.com>
> 
> When opening BDS, we need to create backup jobs for
> image-fleecing.
> 
> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
> Signed-off-by: Gonglei <arei.gonglei@huawei.com>
> Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
> Reviewed-by: Jeff Cody <jcody@redhat.com>
> ---
>  block/Makefile.objs | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/block/Makefile.objs b/block/Makefile.objs
> index 58ef2ef..fa05f37 100644
> --- a/block/Makefile.objs
> +++ b/block/Makefile.objs
> @@ -22,10 +22,10 @@ block-obj-$(CONFIG_ARCHIPELAGO) += archipelago.o
>  block-obj-$(CONFIG_LIBSSH2) += ssh.o
>  block-obj-y += accounting.o
>  block-obj-y += write-threshold.o
> +block-obj-y += backup.o
>  
>  common-obj-y += stream.o
>  common-obj-y += commit.o
> -common-obj-y += backup.o
>  
>  iscsi.o-cflags     := $(LIBISCSI_CFLAGS)
>  iscsi.o-libs       := $(LIBISCSI_LIBS)

The commit message and description seem outdated.  I guess the purpose
of this patch is to link the backup block job into all programs that use
the block layer because you want to add a dependency on the it from core
code.