[Ocfs2-devel] ocfs2's bmap output

Shaya Potter spotter at cs.columbia.edu
Fri Oct 14 10:48:49 CDT 2005


On Thu, 2005-10-13 at 23:12 -0700, Mark Fasheh wrote:
> Hi,
> 
> On Fri, Oct 14, 2005 at 01:33:35AM -0400, Shaya Potter wrote:
> > I'm guessing this is because of its use of extents, and probably means
> > I've screwed myself in trying to use bmap in this way.  Is that a
> > correct assumption?  Is there any other interface into OCFS2 to tell if
> > a block is a "blank" sparse area?
> Unfortunately, no. Since OCFS2 doesn't currently support sparse files, the
> "holes" created are actually allocated and filled with zeros. Once
> allocated, they'll look no different from other file data.

a related question then.  Is sparse file support not planned at all for
OCFS2, or just "not currently" supported.

thanks.



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