Re: [Qemu-devel] scsi-hd with discard_granularity and unmap results in Aborted Commands

[Paolo Bonzini]

Il 19/11/2012 15:16, Stefan Priebe - Profihost AG ha scritto:
> Hi Paolo,
> Hi Josh,
> 
> i started to port the iscsi fixes to rbd. The one think i'm missing is.
> How to tell / call rbd to cancel I/O on the server side?
> 
> I grepped librbd source code for abort / cancel but didn't find anything.
> 
> Qemu must be able to tell rbd to cancel a specific I/O request.

Just don't.  QEMU will wait for rbd to finish the operation, instead of
actually having it cancelled.

Paolo