ping 31.07.2018 20:30, Vladimir Sementsov-Ogievskiy wrote: > 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). > > v4: - add Eric's r-b to 01. > - drop CONNECTING_INIT mode, don't reconnect on _open. > - new api: only one parameter @reconnect-delay > - new interval scheme between reconnect attempts > (1 - 2 - 4 - 8 - 16 - 16 ... seconds) > - fixes and refactorings in main patch (09), including merge with > old 08 patch > > > v3: > 06: fix build error in function 'nbd_co_send_request': > error: 'i' may be used uninitialized in this function > > v2 notes: > Here is v2 of NBD reconnect, but it is very very different from v1, so, > forget about v1. > The series includes my "NBD reconnect: preliminary refactoring", with > changes in 05: leave asserts (Eric). > > Vladimir Sementsov-Ogievskiy (10): > block/nbd-client: split channel errors from export errors > block/nbd: move connection code from block/nbd to block/nbd-client > block/nbd-client: split connection from initialization > block/nbd-client: fix nbd_reply_chunk_iter_receive > block/nbd-client: don't check ioc > block/nbd-client: move from quit to state > block/nbd-client: rename read_reply_co to connection_co > block/nbd: add cmdline and qapi parameter reconnect-delay > block/nbd-client: nbd reconnect > iotests: test nbd reconnect > > qapi/block-core.json | 12 +- > block/nbd-client.h | 20 +- > block/nbd-client.c | 515 > +++++++++++++++++++++++++++++++----------- > block/nbd.c | 56 ++--- > tests/qemu-iotests/220 | 67 ++++++ > tests/qemu-iotests/220.out | 7 + > tests/qemu-iotests/group | 1 + > tests/qemu-iotests/iotests.py | 4 + > 8 files changed, 512 insertions(+), 170 deletions(-) > create mode 100755 tests/qemu-iotests/220 > create mode 100644 tests/qemu-iotests/220.out >
-- Best regards, Vladimir
