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authorSage Weil2012-07-10 11:53:34 -0700
committerSage Weil2012-07-30 09:29:52 -0700
commita16cb1f70799c851410d9dca0a24122e258df06c (patch)
tree0290805d3594d770da3937da7fa68841c1e294ac /security/security.c
parentcd43045c2de60f40a0aea49bfb252a2eafe58f8c (diff)
libceph: fix messenger retry
In ancient times, the messenger could both initiate and accept connections. An artifact if that was data structures to store/process an incoming ceph_msg_connect request and send an outgoing ceph_msg_connect_reply. Sadly, the negotiation code was referencing those structures and ignoring important information (like the peer's connect_seq) from the correct ones. Among other things, this fixes tight reconnect loops where the server sends RETRY_SESSION and we (the client) retries with the same connect_seq as last time. This bug pretty easily triggered by injecting socket failures on the MDS and running some fs workload like workunits/direct_io/test_sync_io. Signed-off-by: Sage Weil <sage@inktank.com>
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