Re: [Xen-devel] xl create should refuse to share block devices RW between domains

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

 On 07/27/2010 03:55 AM, Ian Campbell wrote:
> > I also think that tap_ctl_create is the right place to do these checks,
> > not a script called by udev after the device has been created.
> Agreed. tapdisk should be taking out a flock() or something similar on
> any vhd files it is going to write to and should fail if it can't lock
> the file.
I'm not sure that would work for physical device/lvm backing.

    J

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