Re: [Xen-devel] when is the function tdaio_open in block-aio.c called

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2012-03-15 at 09:14 +0000, hxkhust wrote:
> I use linux kernel 3.2.9 as dom0's kernel with xen 4.1.2 installed in
> fedora 14.

Then I think you have no blktap (1 or 2) and will therefore be using
qdisk.

> My purpose is to trace the process in which the raw format vitual disk
> image is read.which file is the qdisk backend provided by qemu
> implemented in?When the raw image is read,which file or which function
> is called?

I don't know. 2s grepping suggests it will be
tools/qemu-xen-traditional-dir/hw/xen_disk.c.

Ian.




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