Re: [Qemu-devel] [PATCH 00/25] nbd asynchronous operation

[Paolo Bonzini <pbonzini@redhat.com>]

On 12/06/2011 04:27 PM, Paolo Bonzini wrote:
> Here is my NBD asynchronous operation series, including asynchronous
> server.
>
> Patches 1-5 add asynchronous operation to the client.
>
> Patches 6-9 add new features for flush/FUA and discard (trim).
>
> Patches 10-25 add asynchronous operation to the server.
>
> Chunyan Liu (1):
>    Update ioctl order in nbd_init() to detect EBUSY
>
> Paolo Bonzini (24):
>    add qemu_send_full and qemu_recv_full
>    sheepdog: move coroutine send/recv function to generic code
>    nbd: switch to asynchronous operation
>    nbd: split requests
>    nbd: allow multiple in-flight requests
>    nbd: fix error handling in the server
>    nbd: add support for NBD_CMD_FLAG_FUA
>    nbd: add support for NBD_CMD_FLUSH
>    nbd: add support for NBD_CMD_TRIM
>    qemu-nbd: remove offset argument to nbd_trip
>    qemu-nbd: remove data_size argument to nbd_trip
>    move corking functions to osdep.c
>    qemu-nbd: simplify nbd_trip
>    qemu-nbd: introduce nbd_do_send_reply
>    qemu-nbd: more robust handling of invalid requests
>    qemu-nbd: introduce nbd_do_receive_request
>    qemu-nbd: introduce NBDExport
>    qemu-nbd: introduce NBDRequest
>    link the main loop and its dependencies into the tools
>    qemu-nbd: use common main loop
>    qemu-nbd: move client handling to nbd.c
>    qemu-nbd: add client pointer to NBDRequest
>    qemu-nbd: asynchronous operation
>    qemu-nbd: throttle requests
>
>   Makefile            |    5 +-
>   Makefile.objs       |    2 +-
>   block/nbd.c         |  319 ++++++++++++++++++++++++++++++-------
>   block/sheepdog.c    |  250 +++--------------------------
>   cutils.c            |  111 +++++++++++++
>   main-loop.h         |    6 +
>   nbd.c               |  439 ++++++++++++++++++++++++++++++++++++++++-----------
>   nbd.h               |   14 ++-
>   os-posix.c          |   42 -----
>   os-win32.c          |    5 -
>   osdep.c             |   76 +++++++++
>   oslib-posix.c       |   43 +++++
>   oslib-win32.c       |    5 +
>   qemu-common.h       |   34 ++++
>   qemu-coroutine-io.c |   96 +++++++++++
>   qemu-nbd.c          |  120 +++++---------
>   qemu-tool.c         |   42 +++---
>   qemu_socket.h       |    1 +
>   18 files changed, 1080 insertions(+), 530 deletions(-)
>   create mode 100644 qemu-coroutine-io.c
>

This needs rebasing due to commit 3a93113 (fix typo: delete redundant 
semicolon, 2011-11-29).  To avoid further spamming, I placed the whole 
thing at git://github.com/bonzini/qemu.git in branch nbd-server.

Paolo