[Xen-devel] Re: [Qemu-devel] [PATCH 05/10] xen: add block device backend driver.

[Gerd Hoffmann <kraxel@xxxxxxxxxx>]

  Hi,

> We already have bdrv_aio_readv/writev which currently linearize the
> buffer underneath.  Hopefully Anthony will have commited the patch to
> implement the real one while I'm writing this, too :)
Is there any specific reason to keep the nb_sectors argument for 
bdrv_aio_readv, other than cut&paste from the non-vectored versions?
I think it is superfluous now, it can be trivially calculated using 
iov->size.
cheers,
  Gerd

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