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f2ff203596
TimelineHistoryRead and TimelineHistoryWrite wait events are reported during waiting for a read and write of a timeline history file, respectively. However, previously, TimelineHistoryRead wait event was not reported while readTimeLineHistory() was reading a timeline history file. Also TimelineHistoryWrite was not reported while writeTimeLineHistory() was writing one line with the details of the timeline split, at the end. This commit fixes these issues. Back-patch to v10 where wait events for a timeline history file was added. Author: Masahiro Ikeda Reviewed-by: Michael Paquier, Fujii Masao Discussion: https://postgr.es/m/d11b0c910b63684424e06772eb844ab5@oss.nttdata.com