On Sun, Nov 13, 2005 at 03:09:06PM +0000, Pavel Machek wrote:
> > > We discussed this in madvise(REMOVE) thread - to add support
> > > for sys_punchhole(fd, offset, len) to complete the functionality
> > > (in the future).
> > >
> > > http://marc.theaimsgroup.com/?l=linux-mm&m=113036713810002&w=2
> > >
> > > What I am wondering is, should I invest time now to do it ?
> >
> > I haven't even heard anyone mention a need for this in the past 1-2 years.
>
> Some database people wanted it maybe month ago. It was replaced by some
> madvise hack...
sys_punchhole is also potentially very useful for Hirarchial Storage
Management. (Holes are typically used for data that have been migrated
to tape).
--
Ragnar Kjørstad
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