Re: [PATCH 0/4] Fiemap, an extent mapping ioctl - round 2

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Andreas Dilger wrote:
> If there are large "xattrs" (i.e. data forks) then I'd suggest instead
> to use openat() to open the data fork and call FIEMAP on that directly.

Ooh.  Can yon openat() with a file as dirfd?  Equivalently, can you
open "file/fork"?

That sounds like the "file-as-directory" feature Reiser tried to get
into the kernel some time back.  Wasn't it rejected after a long
discussion?

-- Jamie
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