Re: reflink direct I/O improvements V3

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On Mon, Feb 06, 2017 at 08:47:34AM +0100, Christoph Hellwig wrote:
> This series improves the reflink direct I/O path, by avoiding a pointless
> detour through delayed allocations and doing the allocations directly
> from the iomap code.
> 
> Changes since V2:
>  - handle the new scheme to use unwritten extents for preallocation
>    properly
>  - fix up tracing for bounced dio writes

I think "xfs: reject all unaligned direct writes to reflinked files" is
missing from this patchset?  If so, you can send it as a reply to the
cover letter email.

--D

> Changes since V1:
>  - align the alignment code with the regular direct I/O path
>  - rebase on top the patches from Darrick to use unwritten extents
>    in the direct I/O COW path
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