> > But, unfortunately, sendfile (in 2.2 and 2.4) appears not
> > to support sendfile(2)ing a device:
>
> Correct... sendfile(2) is only for sources/destinations that can be
> ripped through the page cache.
I knew that, but was surprised that /dev/zero didn't have
->readpage(). Any pointers to assist me to implement one?
Matthew.
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