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

From: Christoph Hellwig
Date: Mon Aug 24 2015 - 03:53:34 EST

On Mon, Aug 24, 2015 at 10:13:25AM +0300, Artem Bityutskiy wrote:
> 1. we are the only FS erroring out on O_DIRECT
> 2. other file-systems not supporting direct IO just fake it

There are lots of file systems not supporting O_DIRECT, but ubifs might
be the most common one. Given that O_DIRECT implementations aren't
hard, so what's holding back a real implementation?
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