Messages in this thread | | | Date | Sun, 22 Jan 2006 01:05:14 +0300 | From | Alexey Dobriyan <> | Subject | Re: CBD Compressed Block Device, New embedded block device |
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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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