[sheepdog] [PATCH 00/11] sheepdog: reconnect server after connection failure

[Luca Lazzeroni]

Is this series of patches applyable to sheepdog-stable-0.6 band qemu 1.5.0 ? I've seen they use  async i/o...

MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp> ha scritto:

>Currently, if a sheepdog server exits, all the connecting VMs need to
>be restarted.  This series implements a feature to reconnect the
>server, and enables us to do online sheepdog upgrade and avoid
>restarting VMs when sheepdog servers crash unexpectedly.
>
>MORITA Kazutaka (11):
>  ignore SIGPIPE in qemu-img and qemu-io
>  iov: handle eof in iov_send_recv
>  qemu-sockets: make wait_for_connect be invoked in qemu_aio_wait
>  sheepdog: make connect nonblocking
>  sheepdog: check return values of qemu_co_recv/send correctly
>  sheepdog: handle vdi objects in resend_aio_req
>  sheepdog: reload inode outside of resend_aioreq
>  coroutine: add co_aio_sleep_ns() to allow sleep in block drivers
>  sheepdog: try to reconnect to sheepdog after network error
>  sheepdog: make add_aio_request and send_aioreq void functions
>  sheepdog: cancel aio requests if possible
>
> Makefile                  |   4 +-
> block/sheepdog.c          | 314 ++++++++++++++++++++++++++++++++--------------
> include/block/coroutine.h |   8 ++
> qemu-coroutine-sleep.c    |  47 +++++++
> qemu-img.c                |   4 +
> qemu-io.c                 |   4 +
> util/iov.c                |   6 +
> util/qemu-sockets.c       |  15 ++-
> 8 files changed, 303 insertions(+), 99 deletions(-)
>
>-- 
>1.8.1.3.566.gaa39828
>
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