> > ZIGLIO, Frediano, VF-IT wrote: > > Hi, > > well, this is not a definitive patch but it works. The > aim is to be > > able to wipe the disk without allocating entire space. When > you wipe a > > disk the program fill disk with zero bytes so disk image increase to > > allocate all space. This just patch detect null byte writes > and do not > > write all zero byte clusters. > > > > I've been giving this some pretty heavy testing over the last > week and can say I've not noticed any > negative performance impact or any other adverse side > effects, not to mention the speedup when doing > re-packing (which I do fairly regularly on both ext3 and ntfs > guest filesystems). > > While I'm here does anyone know of a simple program, either > dos or linux based for wiping unused > space on fat filesystems? The only ones I've found so far > have been windows based. > > This patch now conflicts pretty heavily with the new AIO > changes it would seem. Further > investigation required. > > Ta, > Brad
Here you are updated patch. Current CVS seems to not compile on my machine (but this is another problem...) freddy77
wipe.diff
Description: wipe.diff
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