Re: [RFC 2/2] KVM: add virtio-pmem driver

[Dan Williams]

On Fri, Oct 13, 2017 at 2:44 AM, Stefan Hajnoczi <stefanha@xxxxxxxxx> wrote:
> On Thu, Oct 12, 2017 at 09:20:26PM +0530, Pankaj Gupta wrote:
[..]
>> +#ifndef REQ_FLUSH
>> +#define REQ_FLUSH REQ_PREFLUSH
>> +#endif
>
> Is this out-of-tree kernel module compatibility stuff that can be
> removed?

Yes, this was copied from the pmem driver where it can also be
removed, it was used to workaround a merge order problem in linux-next
when these definitions were changed several kernel releases back.