Am 19.11.2012 11:23, schrieb Paolo Bonzini:
Il 19/11/2012 11:13, Stefan Priebe - Profihost AG ha scritto:
So you mean this is not a bug in rbd or qemu this is a general bug in
the linux kernel since they implemented discard?
Yes.
As you're known in the linux dev community ;-) Might you open a thread /
discussion in the linux kernel mailinglist CC'ing me regarding this
problem? I think when i open one - no one will listen ;-)
Yeah, I'll try making and sending a patch, that's usually a good way to
convince those guys to listen...
Thanks.
But do you have any idea why it works with an iscsi / libiscsi backend?
In that case the kernel does not cancel the I/O.
Greets,
Stefan
