On 21 April 2011 05:46, James Cameron <[email protected]> wrote: > Allows the unused filesystem blocks of the image to be left out of the > .zd file, resulting in a factor of two reduction in fs-update times on > a typical build on a 4GB microSD. Greater reduction occurs on larger > microSD or SD cards. > > Has no effect if a fill pattern file is not found.
A more correct option would be to use the FIEMAP ioctl to detect the gaps in the file and determine the unused blocks that way. Have you investigated this? Daniel _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
