Author: Fujii Masao
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/CAHGQGwH7dtYvOZZ8c0AG5AJwH5pfiRdKaCptY1_RdHy0HYeRfQ@mail.gmail.com
/*
* Create a new XLOG file segment, or open a pre-existing one.
*
- * log, seg: identify segment to be created/opened.
+ * logsegno: identify segment to be created/opened.
*
* *use_existent: if true, OK to use a pre-existing file (else, any
* pre-existing file will be deleted). On return, true if a pre-existing