On Jun 14, 2012 5:49 AM, "Wojciech Puchar" <woj...@wojtek.tensor.gdynia.pl> wrote: >>> >>> file to take 900MB or... can i call some system function to "punch" >>> holes? >> >> >> I think you can only truncate the file at this time, pretty much like >> brk() works for memory. > > > > BAD. suppose i keep windoze VM image on filesystem which takes 10GB but uses 5GB. > > i could write simple program to find out what blocks are unused and then...do nothing. >
What if you cp it? Chris _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
