On Mon, Feb 25, 2019 at 01:18:10PM -0800, Sagi Grimberg wrote: > >> Frankly, we have a ton of testing related special cases in the kernel. >> >> This one is a) simple and small, only 10 LoC, b) far away from the fast >> path or any other place where it could have any impact on legitimate >> users and c) it prints an informal message showing you what happened. >> >> Sorry but this is a https://xkcd.com/386/ moment. > > How about we just fail it with a proper error message and let the > user set buffered_io instead of trying to get smart here...
Yes, would be my preference.