Allow zero-length overwrites

2019-12-21 19:04:36 +03:00
parent 4de5290619
commit 4677ace4cc
4 changed files with 50 additions and 12 deletions
@@ -207,7 +207,7 @@ bool journal_flusher_co::loop()
                    for (; it != v.end(); it++)
                        if (it->offset >= offset)
                            break;
-                    if (it == v.end() || it->offset > offset)
+                    if (it == v.end() || it->offset > offset && it->len > 0)
                    {
                        submit_offset = dirty_it->second.location + offset - dirty_it->second.offset;
                        submit_len = it == v.end() || it->offset >= end_offset ? end_offset-offset : it->offset-offset;