Il 26/06/2013 05:59, Fam Zheng ha scritto:
> Assign source image as the backing hd of target bs, so reading target bs
> gets the point-in-time copy of data from source image.
>
> Signed-off-by: Fam Zheng <[email protected]>
> ---
> blockdev.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/blockdev.c b/blockdev.c
> index 5e694f3..a1d816e 100644
> --- a/blockdev.c
> +++ b/blockdev.c
> @@ -1504,6 +1504,10 @@ void qmp_drive_backup(const char *device, const char
> *target,
> return;
> }
>
> + target_bs->backing_hd = bs;
> + pstrcpy(target_bs->backing_file, sizeof(target_bs->backing_file),
> + bs->filename);
backing_format missing.
Paolo
> backup_start(bs, target_bs, speed, on_source_error, on_target_error,
> block_job_cb, bs, &local_err);
> if (local_err != NULL) {
>
