On Wed, Apr 15, 2015 at 11:27:25AM +0200, Kevin Wolf wrote:
> This is, amongst others, required for qemu-iotests 033 to run as
> intended on VHDX, which uses explicit bdrv_truncate() calls to bs->file
> when allocating new blocks.
>
> Signed-off-by: Kevin Wolf <kw...@redhat.com>
> ---
> block/blkdebug.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/block/blkdebug.c b/block/blkdebug.c
> index 63611e0..3c30edb 100644
> --- a/block/blkdebug.c
> +++ b/block/blkdebug.c
> @@ -721,6 +721,11 @@ static int64_t blkdebug_getlength(BlockDriverState *bs)
> return bdrv_getlength(bs->file);
> }
>
> +static int blkdebug_truncate(BlockDriverState *bs, int64_t offset)
> +{
> + return bdrv_truncate(bs->file, offset);
> +}
> +
> static void blkdebug_refresh_filename(BlockDriverState *bs)
> {
> QDict *opts;
> @@ -779,6 +784,7 @@ static BlockDriver bdrv_blkdebug = {
> .bdrv_file_open = blkdebug_open,
> .bdrv_close = blkdebug_close,
> .bdrv_getlength = blkdebug_getlength,
> + .bdrv_truncate = blkdebug_truncate,
> .bdrv_refresh_filename = blkdebug_refresh_filename,
>
> .bdrv_aio_readv = blkdebug_aio_readv,
> --
> 1.8.3.1
>
Reviewed-by: Jeff Cody <jc...@redhat.com>
