Re: [Qemu-devel] [PATCH] iscsi: do not assume device is zero initialized

[Paolo Bonzini <pbonzini@redhat.com>]

Il 17/11/2012 16:20, Peter Lieven ha scritto:
> Without any complex checks we can't assume that an
> iscsi target is initialized to zero.
> 
> Signed-off-by: Peter Lieven <pl@kamp.de>
> ---
>  block/iscsi.c |    6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/block/iscsi.c b/block/iscsi.c
> index eb586cb..d685f20 100644
> --- a/block/iscsi.c
> +++ b/block/iscsi.c
> @@ -991,6 +991,11 @@ out:
>      return ret;
>  }
>  
> +static int iscsi_has_zero_init(BlockDriverState *bs)
> +{
> +    return 0;
> +}
> +
>  static QEMUOptionParameter iscsi_create_options[] = {
>      {
>          .name = BLOCK_OPT_SIZE,
> @@ -1017,6 +1022,7 @@ static BlockDriver bdrv_iscsi = {
>      .bdrv_aio_flush  = iscsi_aio_flush,
>  
>      .bdrv_aio_discard = iscsi_aio_discard,
> +    .bdrv_has_zero_init = iscsi_has_zero_init,    
>  
>  #ifdef __linux__
>      .bdrv_ioctl       = iscsi_ioctl,
> 

Applied to scsi-next branch.

Paolo