Re: [PATCH v2 04/10] migration: detect compression and decompression errors

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On Tue, Mar 27, 2018 at 05:10:37PM +0800, guangrong.xiao@xxxxxxxxx wrote:

[...]

> -static int compress_threads_load_setup(void)
> +static int compress_threads_load_setup(QEMUFile *f)
>  {
>      int i, thread_count;
>  
> @@ -2665,6 +2685,7 @@ static int compress_threads_load_setup(void)
>          }
>          decomp_param[i].stream.opaque = &decomp_param[i];
>  
> +        decomp_param[i].file = f;

On the source side the error will be set via:

        qemu_file_set_error(migrate_get_current()->to_dst_file, blen);

Maybe we can do similar things using migrate_incoming_get_current() to
avoid caching the QEMUFile multiple times?

I think both are not good since qemu_file_set_error() can be called by
multiple threads, but it's only setting a fault value so maybe it's
fine.  Other than that it looks good to me.

Thanks,

-- 
Peter Xu



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