v4.4-rc4 regression with direct-io

[Al Viro]

On Tue, Dec 08, 2015 at 02:39:02PM -0700, Ross Zwisler wrote:
> Hey Jan,
> 
> In my test setup this commit:
> 
> 74cedf9b6c60 ("direct-io: Fix negative return from dio read beyond eof")
> 
> causes a regression with XFS and the test generic/113.  The test used to
> pass, but with the above mentioned commit it just hangs indefinitely.
> 
> This commit went in between v4.4-rc3 and v4.4-rc4, and it looks like it was
> marked for stable?

See the tip of vfs.git#for-linus for fix...