On Tue, 2010-07-27 at 15:55 +1000, Dave Chinner wrote: > These two patches allow conversion of a written range of a file into > back into unwritten state. The first patch converts page cache > helper functions to use the correct range primitives as we need to > be able to toss (invalidate) pages only within the range specified, > not to to the end of the file as it currently uses. > > The actual conversion also preallocates any holes in the range, so > it turns the entire range requested into allocated, unwritten > extents. > > I also have a patch that adds this functionality to fallocate(). I > haven't tested that at all, but if this is something we want to > support, I'd suggest that we want fallocate to be able to do it... Nice feature. Kind of surprising to me how small the set of changes it requires is. I agree with Christoph's comments. These two patches otherwise look good to me as well. Reviewed-by: Alex Elder <aelder@xxxxxxx> _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
