Re: aio fixes for use after free and freeze protection

[Al Viro]

On Sun, Oct 30, 2016 at 11:42:00AM -0500, Christoph Hellwig wrote:
> Hi Linus, hi Al,
> 
> below is the new version of the aio fix(es).
> 
> Patch one just holds an additional file reference over AIO ops.  This
> one is minimally invasive and a clear 4.9 and stable candidate.
> 
> The next one drops the never implemented aio_fsync methods because it
> makes my life easier later on.  No user visible change as we always
> ended up returning EINVAL anyway.
> 
> Patch three refators the aio code so that it's not a spaghetti monster,
> and patch four is Jan's original free patch rebased on top of this whole
> stack.

Applied.