Re: RFC: iomap write invalidation

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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.

-- 
Goldwyn



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