Hi all!
Here is NBD reconnect. Previously, if connection failed all current
and future requests will fail. After the series, nbd-client driver
will try to reconnect unlimited times. During first @reconnect-delay
seconds of reconnecting all requests will wait for the connection,
and if it is established requests will be resent. After
@reconnect-delay period all requests will be failed (until successful
reconnect).
v8:
preparations are already merged [thx to Eric], old 07 with SI_* constants
dropped [Peter]
02: - use NANOSECONDS_PER_SECOND
03: - move to tests/qemu-iotests/264
- limit job speed, otherwise it fails on ramfs as backup finishes too early
v7:
almost all: rebased on merged nbd.c and nbd-client.c (including patch subject)
01-04: add Eric's r-b
04: wording
05: new
06: rewrite to remove timer earlier
07: new
08:
- rebase on 05 and 07
- drop "All rights reserved"
- handle drain
- improve handling aio context attach
09: move 249 -> 257
Vladimir Sementsov-Ogievskiy (3):
qemu-coroutine-sleep: introduce qemu_co_sleep_wake
block/nbd: nbd reconnect
iotests: test nbd reconnect
include/qemu/coroutine.h | 17 +-
block/nbd.c | 335 +++++++++++++++++++++++++++-------
block/null.c | 2 +-
block/sheepdog.c | 2 +-
tests/test-bdrv-drain.c | 6 +-
tests/test-block-iothread.c | 2 +-
util/qemu-coroutine-sleep.c | 47 +++--
tests/qemu-iotests/264 | 65 +++++++
tests/qemu-iotests/264.out | 12 ++
tests/qemu-iotests/group | 1 +
tests/qemu-iotests/iotests.py | 4 +
11 files changed, 408 insertions(+), 85 deletions(-)
create mode 100755 tests/qemu-iotests/264
create mode 100644 tests/qemu-iotests/264.out
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2.18.0
