On Fri, Mar 21, 2025 at 12:56:04AM -0400, Theodore Ts'o wrote: > As I recall, in the eary days Linux's safety for DIO and Bufered I/O > was best efforts, and other Unix system the recommendation to "don't > mix the streams" was far stronger. Even if it works reliably for > Linux, it's still something I recommend that people avoid if at all > possible. It still is a best effort, just a much better effort now. It's still pretty easy to break the coherent.
