Brian Norris <computersforpe...@gmail.com> writes: > On Mon, Aug 24, 2015 at 10:13:25AM +0300, Artem Bityutskiy wrote: >> Now, some user-space fails when direct I/O is not supported. > > I think the whole argument rested on what it means when "some user space > fails"; apparently that "user space" is just a test suite (which > can/should be fixed).
Even if it wasn't a test suite it should still fail. Either the fs supports O_DIRECT or it doesn't. Right now, the only way an application can figure this out is to try an open and see if it fails. Don't break that. Cheers, Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
