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[Qemu-devel] [PATCH v4 00/10] sheepdog: reconnect server after connectio
From: |
MORITA Kazutaka |
Subject: |
[Qemu-devel] [PATCH v4 00/10] sheepdog: reconnect server after connection failure |
Date: |
Fri, 26 Jul 2013 15:10:42 +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.
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 (10):
ignore SIGPIPE in qemu-img and qemu-io
iov: handle EOF in iov_send_recv
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 | 320 +++++++++++++++++++++++++++++-----------------
include/block/coroutine.h | 8 ++
qemu-coroutine-sleep.c | 47 +++++++
qemu-img.c | 4 +
qemu-io.c | 4 +
util/iov.c | 6 +
6 files changed, 269 insertions(+), 120 deletions(-)
--
1.8.1.3.566.gaa39828
- [Qemu-devel] [PATCH v4 00/10] sheepdog: reconnect server after connection failure,
MORITA Kazutaka <=
- [Qemu-devel] [PATCH v4 06/10] coroutine: add co_aio_sleep_ns() to allow sleep in block drivers, MORITA Kazutaka, 2013/07/26
- [Qemu-devel] [PATCH v4 02/10] iov: handle EOF in iov_send_recv, MORITA Kazutaka, 2013/07/26
- [Qemu-devel] [PATCH v4 10/10] sheepdog: check simultaneous create in resend_aioreq, MORITA Kazutaka, 2013/07/26
- [Qemu-devel] [PATCH v4 01/10] ignore SIGPIPE in qemu-img and qemu-io, MORITA Kazutaka, 2013/07/26
- [Qemu-devel] [PATCH v4 03/10] sheepdog: check return values of qemu_co_recv/send correctly, MORITA Kazutaka, 2013/07/26
- [Qemu-devel] [PATCH v4 05/10] sheepdog: reload inode outside of resend_aioreq, MORITA Kazutaka, 2013/07/26
- [Qemu-devel] [PATCH v4 09/10] sheepdog: cancel aio requests if possible, MORITA Kazutaka, 2013/07/26