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Re: [Libguestfs] [PATCH nbdkit 2/2] Add new retry filter.



On Thu, Sep 19, 2019 at 12:34:17PM +0100, Richard W.M. Jones wrote:
> diff --git a/server/backend.c b/server/backend.c
> index 8a434bd..b8c5742 100644
> --- a/server/backend.c
> +++ b/server/backend.c
> @@ -224,9 +224,17 @@ backend_valid_range (struct backend *b, struct connection *conn,
>  int
>  backend_reopen (struct backend *b, struct connection *conn, int readonly)
>  {
> +  struct b_conn_handle *h = &conn->handles[b->i];
> +
>    debug ("%s: reopen", b->name);
>  
>    b->close (b, conn);
> +
> +  /* This forces .open to recalculate h->can_write, which might have
> +   * changed since we may have a new readonly value.
> +   */
> +  h->can_write = -1;
> +
>    return backend_open (b, conn, readonly);
>  }

Obviously this hunk should be in the first patch ...

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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