On Thu, 21 Sep 2006 17:07:38 -0700
Bill Studenmund <wrstuden@netbsd.org> wrote:

> > I don't see anything particularly wrong with having it (note I have  
> > not yet reviewed the actual patch), but what's the application usage?
> 
> Ok, I'm assuming Jason understands why we want to know about holes and 
> was asking more how the application would use it, not why it would use 
> it. :-)
> 
> I expect that how you'd use it is something like (warning, pseudo-code, 
> lots of stuff glossed over):
[...]

Interesting...  just out of curiosity, could this by any chance also
potentially allow to implement the -P option of rm(1) in a way that may
work on file systems such as LFS (for which -P currently makes no
sense), if LFS supported the new lseek(2) extensions?  Or would writing
a block at the start of a data position immediately after the seek still
cause that block to always be appended?

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