Re: [PATCH 1/3] misc: use system FICLONE/FICLONERANGE/FIDEDUPERANGE definitions

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On Wed, Mar 08, 2017 at 07:53:13AM -0800, Christoph Hellwig wrote:
> xfs_fs.h should never removed previously define APIs - that'll just
> break application.

Yeah, I should've erased those defines before they ended up in 4.9.
Oh well.

> So to be honest I'm not sure there is any upside to this patch - it
> adds tons of lines, does not add any functionality and breaks existing
> apps.

But is it a good idea to expose the reflink and dedupe xfs_io commands
on platforms where we know it isn't going to work?  AFAIK those ioctls
are still Linux-only.

Or: how popular are the darwin and *bsd ports of xfsprogs?  It looks
like OSX can only read XFS via fuse, and freebsd dropped XFS from
their kernel in 10.0.

--D

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