Re: [PATCH 2/2] ubifs: Allow O_DIRECT

From: Jeff Moyer
Date: Mon Aug 24 2015 - 13:19:31 EST

Brian Norris <computersforpeace@xxxxxxxxx> 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

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