Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests

[Peter Lieven]

On 08.09.2014 15:58, Paolo Bonzini wrote:
> Il 08/09/2014 15:56, Peter Lieven ha scritto:
> > > > Look like you are changing the coroutine version.
> > > >
> > > > Some hardware like virtio-blk uses the AIO version of read and writes.
> > > > What would happen if all the block drivers down the chain are AIO
> > > > enabled ?
> > > The AIO version still goes through bdrv_co_do_readv/writev.
> > >
> > > However, error_report is not something you can use for guest-accessible
> > > error messages, unless you want your logs to fill up with error
> > > messages. :)
> > So you would not throw an error msg here?
> No, though a trace could be useful.

Is there a howto somewhere how to implement that?

Then I would send a v2 if there are no other complaints.

Whats your opinion changed the max_xfer_len to 0xffff regardsless
of use_16_for_rw in iSCSI?

Peter