On Sun, Jan 22, 2006 at 12:46:52AM -0800, Shaun Savage wrote:
> Here is a patch for 2.6.14.5 of CBD
> CBD is a compressed block device that is designed to shrink the file
> system size to 1/3 the original size. CBD is a block device on a file
> system so, it also allows for in-field upgrade of file system. If
> necessary is also allows for secure booting, with a GRUB patch.
> +/*
> + * IOCTL stuff, maybe new file
/dev/null ?
> + switch (cmd) {
> + case HDIO_GETGEO:
> + {
> + struct hd_geometry loc;
> + loc.heads = 4;
> + loc.sectors = 32;
> + loc.cylinders = cbd->nr_sections;
> + loc.start = 0;
> + return _COPYOUT(loc);
> + }
Already in generic code.
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