cyb70289 commented on code in PR #13662:
URL: https://github.com/apache/arrow/pull/13662#discussion_r929473880
##########
cpp/src/arrow/io/file.cc:
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@@ -167,8 +169,23 @@ class OSFile {
if (length < 0) {
return Status::IOError("Length must be non-negative");
}
+#ifdef __linux__
+ if (reuse_) {
+ return ::arrow::internal::FileWrite(fd_.fd(),
+ reinterpret_cast<const
uint8_t*>(data), length);
Review Comment:
This line can probably be hoisted above #ifdef, leave only one copy, not
three as in current code.
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