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Re: v4.4-rc4 regression with direct-io

To: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, stable@xxxxxxxxxxxxxxx, Steven Whitehouse <swhiteho@xxxxxxxxxx>, Avi Kivity <avi@xxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx
Subject: Re: v4.4-rc4 regression with direct-io
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Tue, 8 Dec 2015 21:51:09 +0000
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20151208213902.GA4212@xxxxxxxxxxxxxxx>
References: <20151208213902.GA4212@xxxxxxxxxxxxxxx>
Sender: Al Viro <viro@xxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
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...

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