re-enable IOCB_NOWAIT writes to files v4

[Christian Brauner]

On Mon, Jan 12, 2026 at 11:05:58AM +0100, Christoph Hellwig wrote:
> On Mon, Jan 12, 2026 at 11:04:17AM +0100, Christian Brauner wrote:
> > On Wed, Jan 07, 2026 at 08:32:47AM +0100, Christoph Hellwig wrote:
> > > On Tue, Jan 06, 2026 at 10:43:49PM +0100, Christian Brauner wrote:
> > > > > Umm, as in my self reply just before heading out for vacation, Julia
> > > > > found issues in it using static type checking tools.  I have a new
> > > > > version that fixes that and sorts out the S_* mess.  So please drop
> > > > > it again for now, I'll resend the fixed version ASAP.
> > > > 
> > > > It has never been pushed nor applied as I saw your mail right before all
> > > > of that.
> > > 
> > > Thanks.  But maybe you can fix up the applied messages to be more
> > > specific?  We had various issues in the past with them, where they
> > > were sent, but things did not end up in the tree for various reasons.
> > 
> > What are you thinking of exactly?
> 
> Only send out the applied message when something is actually pushed
> to the public tree?

When that happens it usually means that it's still waiting on tests.
I can pay more attention to this but don't expect it to be perfect in
all cases.