Re: RFC: iomap write invalidation

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On Tue, Jul 21, 2020 at 04:53:13PM +0200, Christoph Hellwig wrote:
> On Mon, Jul 20, 2020 at 04:51:25PM -0500, Goldwyn Rodrigues wrote:
> > Hi Christoph,
> > 
> > On  9:46 13/07, Christoph Hellwig wrote:
> > > Hi all,
> > > 
> > > this series has two parts:  the first one picks up Dave's patch to avoid
> > > invalidation entierly for reads, picked up deep down from the btrfs iomap
> > > thread.  The second one falls back to buffered writes if invalidation fails
> > > instead of leaving a stale cache around.  Let me know what you think about
> > > this approch.
> > 
> > Which kernel version are these changes expected?
> > btrfs dio switch to iomap depends on this.
> 
> No idea.  Darrick, are you ok with picking this up soon so that
> Goldwyn can pull it in?

I thought you were going to respin this with EREMCHG changed to ENOTBLK?



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