[consensus] update UnsafeChangeConfig() signature
While testing various scenarios involving kudu CLI's
'remote_replica unsafe_change_config' sub-command, it turned out that
tserver might end up trying to respond with invalid value of
TabletServerErrorPB::Code. In that case, a tserver built in
Repository: kudu
Updated Branches:
refs/heads/master c7918e87b -> f6e8fe6c6
KUDU-2260: Log block manager should handle null bytes in metadata on crash
On ext4 with data=ordered (the default), it's possible for a write to
persist an increase to the filesize without persisting the actual data.
Synchronizer::WaitFor thread-safety
WaitFor's implementation previously was not thread safe in the case that
the waiter deallocated the Synchronizer after receiving a timeout.
Change-Id: I9565a50839ffd23b5bac6986a6fdee41ac21aa3a
Reviewed-on: http://gerrit.cloudera.org:8080/10783
Reviewed-by:
