Andreas Dilger <adilger@xxxxxxxxx> wrote: > > It would also have to say that blocks of zeros shouldn't be optimised away. > > I don't necessarily see that as a requirement, so long as the filesystem > stores a "block" at that offset, but it could dedupe all zero-filled blocks > to the same "zero block". That still allows saving storage space, while > keeping the semantics of "this block was written into the file" rather than > "there is a hole at this offset". Yeah, that's more what I was thinking of. Provided I can find out that something is present, it should be fine. David
