Re: [Qemu-devel] [PATCH] scsi-block: Add qdev error properties

[Paolo Bonzini <pbonzini@redhat.com>]

On 17/08/2017 12:28, Fam Zheng wrote:
> This makes the werror/rerror options available on the scsi-block device,
> to allow user specify error handling policy in the same way as scsi-hd
> etc.
> 
> Signed-off-by: Fam Zheng <famz@redhat.com>

I'm not sure this is enough, because you would only obey the
rerror/werror action if ioctl fails, not if the ioctl succeeds but the
command fails (the "r->status && *r->status" conditional in
scsi_disk_req_check_error).

Paolo

> ---
>  hw/scsi/scsi-disk.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
> index 5f1e5e8070..27d917f7c3 100644
> --- a/hw/scsi/scsi-disk.c
> +++ b/hw/scsi/scsi-disk.c
> @@ -2972,6 +2972,7 @@ static const TypeInfo scsi_cd_info = {
>  
>  #ifdef __linux__
>  static Property scsi_block_properties[] = {
> +    DEFINE_BLOCK_ERROR_PROPERTIES(SCSIDiskState, qdev.conf),         \
>      DEFINE_PROP_DRIVE("drive", SCSIDiskState, qdev.conf.blk),
>      DEFINE_PROP_END_OF_LIST(),
>  };
>