On Mon, Feb 28, 2011 at 10:35:13AM +0800, Robin Dong wrote: > From: Robin Dong <sanbai@xxxxxxxxxx> > > [Purpose] > After we make a image-file by e2image like: > #e2image -r /dev/hda1 - | bzip2 > hda1.bz2 > we copy the bz2 file to remote host and extract it: > #bunzip2 hda1.bz2 > the unzipped hda1 file will not be a sparse file and the space occupied > by it is as large as the real /dev/hda1 filesystem. > > Therefore a tool to transform a raw-file to a sparse-file is necessary. > This Patch is a first attempt to provide such a tool which is called > 'mksparse' so far. I guess you didn't find /usr/src/e2fsprogs/contrib/make-sparse.c file that I had written a while back. I never did write a man page or usage manual, or the rest of the niceties that go into a supported program, but it's there. :-) I've never been completely convinced this was functionality was one that should be included in the e2fsprogs as a supported program and shipped with distributions. It is useful, though, and I've certainly used make-sparse.c many times in the past, so I'm willing to be convinced otherwise. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
