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Re: [Xen-devel] Help

On Thu, Jul 23, 2015 at 08:35:20PM +0530, Akash Talole wrote:
> Hello,
> Issue in tapdisk-vbd.c
> Why td_queue_write(parent,treq); is called in  static void
> __tapdisk_vbd_reissue_td_request(td_vbd_t *vbd,td_image_t *image,
> td_request_t treq) function as we can't write in parent vhd because it is
> read only.
> I have attached the code of tapdisk-vbd.c and block-vhd.c.

There is no need to attach the code. We all have that in our repository.

> And please tell me about how to write into child vhd after reading from
> parent vhd in block-vhd.c in case of VHD_BM_BIT_CLEAR in function
> vhd_queue_read().

Please describe what your end goal is so that developers with knowledge
in that area can help you better.



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