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

[Kevin Wolf <kwolf@redhat.com>]

Am 15.12.2011 11:21, schrieb Paolo Bonzini:
> 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.

I won't get to this (and virtio-scsi) before I go on vacation next week,
and probably for some time after it. Feel free to send a pull request to
Anthony when you think the series have received enough review and are
tested well enough.

Maybe Nick is interested in reviewing this series, CCed him.

Kevin