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Date: Mon, 02 Jun 2003 23:48:43 -0700
From: Terry Lambert <tlambert2@mindspring.com>
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To: Vijay.Singh@nokia.com
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Subject: Re: sendfile in FreeBSD 2.2
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Vijay.Singh@nokia.com wrote:
> 
> Hi, I am following up my own post. I have been able to do most
> of the porting, but I have one question. What do I replace the
> OFF_TO_IDX() macro with? I could start with code that always
> passes the offset as 0 (sending the complete file). Any help
> would be appreciated.

See vm/vm_object.h in a more recent set of sources.  Basically,
all it does is, given a file offset, return a page index by
dividing by the page size (shifting rught PAGE_SHIFT worth of
bits).

-- Terry