Re: [Qemu-devel] [PATCH for-2.2 v3 0/3] nbd: Adapt for dataplane

[Stefan Hajnoczi <stefanha@gmail.com>]

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On Mon, Jun 23, 2014 at 06:13:01PM +0800, Stefan Hajnoczi wrote:
> On Fri, Jun 20, 2014 at 09:57:31PM +0200, Max Reitz wrote:
> > For the NBD server to work with dataplane, it needs to correctly access
> > the exported BDS. It makes the most sense to run both in the same
> > AioContext, therefore this series implements methods for tracking a
> > BDS's AioContext and makes NBD make use of this for keeping the clients
> > connected to that BDS in the same AioContext.
> > 
> > This series breaks compilation of NBD on Windows, because
> > aio_set_fd_handler() is not available there yet. It should therefore not
> > be merged until that function is available (which will probably not
> > happen before qemu 2.2).
> > 
> > 
> > v3:
> >  - Patch 1: Drop aio_notify(), because aio_set_fd_handler() will call it
> >    anyway [Stefan]
> > 
> > v2:
> >  - Patch 1: Drop NBDClient::restart_write; checking whether
> >    NBDClient::send_coroutine is not NULL suffices [Paolo]
> > 
> > 
> > git-backport-diff against v2:
> > 
> > Key:
> > [----] : patches are identical
> > [####] : number of functional differences between upstream/downstream patch
> > [down] : patch is downstream-only
> > The flags [FC] indicate (F)unctional and (C)ontextual differences, respectively
> > 
> > 001/3:[0006] [FC] 'nbd: Drop nbd_can_read()'
> > 002/3:[----] [--] 'block: Add AIO context notifiers'
> > 003/3:[----] [--] 'nbd: Follow the BDS' AIO context'
> > 
> > 
> > Max Reitz (3):
> >   nbd: Drop nbd_can_read()
> >   block: Add AIO context notifiers
> >   nbd: Follow the BDS' AIO context
> > 
> >  block.c                   |  56 +++++++++++++++++++++++++
> >  include/block/block_int.h |  41 ++++++++++++++++++
> >  nbd.c                     | 103 +++++++++++++++++++++++++++++++++++++---------
> >  3 files changed, 181 insertions(+), 19 deletions(-)
> > 
> > -- 
> > 2.0.0
> > 
> > 
> 
> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

Paolo's win32 aio series is now merged.

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan

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