$ git log -1 v2.9.2 -- ext/kgio/read_write.c found last record of `ext/kgio/read_write.c' in the following commit: a876a30 split read_write.c into {read,write,writev}.c (2013-11-21)git clone git://yhbt.net/kgio.git git clone https://yhbt.net/kgio.git