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[Qemu-devel] [PATCH v5 0/8] sheepdog: reconnect server after connection
From: |
MORITA Kazutaka |
Subject: |
[Qemu-devel] [PATCH v5 0/8] sheepdog: reconnect server after connection failure |
Date: |
Thu, 24 Oct 2013 16:01:10 +0900 |
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.
v5:
- Use AioContext timer for co_aio_sleep_ns().
v4:
- Added comment to explain why we need a failed queue.
- Fixed a return value of sd_acb_cancelable().
v3:
- Check return values of qemu_co_recv/send more strictly.
- Move inflight requests to the failed list after reconnection
completes. This is necessary to resend I/Os while connection is
lost.
- Check simultaneous create in resend_aioreq().
v2:
- Dropped nonblocking connect patches.
MORITA Kazutaka (8):
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
sheepdog: check simultaneous create in resend_aioreq
block/sheepdog.c | 322 ++++++++++++++++++++++++++++-----------------
include/block/coroutine.h | 9 ++
qemu-coroutine-sleep.c | 14 ++
3 files changed, 226 insertions(+), 119 deletions(-)
--
1.7.10.4
- [Qemu-devel] [PATCH v5 0/8] sheepdog: reconnect server after connection failure,
MORITA Kazutaka <=
- [Qemu-devel] [PATCH v5 5/8] sheepdog: try to reconnect to sheepdog after network error, MORITA Kazutaka, 2013/10/24
- [Qemu-devel] [PATCH v5 3/8] sheepdog: reload inode outside of resend_aioreq, MORITA Kazutaka, 2013/10/24
- [Qemu-devel] [PATCH v5 6/8] sheepdog: make add_aio_request and send_aioreq void functions, MORITA Kazutaka, 2013/10/24
- [Qemu-devel] [PATCH v5 1/8] sheepdog: check return values of qemu_co_recv/send correctly, MORITA Kazutaka, 2013/10/24
- [Qemu-devel] [PATCH v5 7/8] sheepdog: cancel aio requests if possible, MORITA Kazutaka, 2013/10/24
- [Qemu-devel] [PATCH v5 8/8] sheepdog: check simultaneous create in resend_aioreq, MORITA Kazutaka, 2013/10/24
- [Qemu-devel] [PATCH v5 4/8] coroutine: add co_aio_sleep_ns() to allow sleep in block drivers, MORITA Kazutaka, 2013/10/24
- [Qemu-devel] [PATCH v5 2/8] sheepdog: handle vdi objects in resend_aio_req, MORITA Kazutaka, 2013/10/24
- Re: [Qemu-devel] [PATCH v5 0/8] sheepdog: reconnect server after connection failure, Liu Yuan, 2013/10/28