<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Dear developers,</div><div class=""><br class=""></div><div class="">My name is Stathis Maneas and currently, I am graduate student at the University of Toronto, conducting research on systems' reliability.</div><div class=""><br class=""></div><div class="">Based on the source code of dm-flakey (as found in the latest version of the Linux kernel), if I may, I would like to kindly clarify an implementation detail</div><div class="">regarding the <i class="">flakey_map()</i> function. Specifically, I would like to find out what's the difference between simply returning <i class="">DM_MAPIO_KILL</i> against returning</div><div class=""><i class="">DM_MAPIO_SUBMITTED</i> after invoking <i class="">bio_io_error(bio)</i>.</div><div class=""><br class=""></div><div class="">Thanks a lot in advance and I look forward to your response.</div><div class=""><br class=""></div><div class="">Kind regards,</div><div class="">Stathis Maneas</div><div class=""><br class=""></div></body></html>