Hi Isaac, On Mon, Jun 29, 2015 at 10:12 AM, Isaac Dunham <ibid...@gmail.com> wrote:
> On Fri, Jun 26, 2015 at 04:40:33PM +0200, Didier Kryn wrote: > > Le 25/06/2015 07:04, Jude Nelson a écrit : > > > In time, it will also work the busybox tools, but I am still working > on > > >getting busybox's blkid to work here (specifically, we need the "-p" > flag > > >to work in order to get low-level partition table information and > > >filesystem metadata). > > > > Contrary to the other options, which only deal with formatting the > > output, option -p cannot be emulated with a wrapper script. Have you any > > idea of how to proceed. I am only a consumer of Busybox and have never > tried > > to dig into the source. Are you, or anybody in this list, able to submit > a > > patch to busybox blkid? > > What information fields from -p are needed? > For libudev compatibility, we will need: * usage (e.g. filesystem, crypto_LUKS, etc.) * filesystem type * filesystem UUID * subvolume UUID (where applicable) * partition table type (e.g. dos, GPT, etc.) * partition table UUID * partition table entry scheme * partition table entry type * partition table entry size * partition table entry offset * partition table entry UUID * partition table entry number * parent disk device Examples: # blkid -p -o export /dev/sda DEVNAME=/dev/sda PTUUID=0003da58 PTTYPE=dos # blkid -p -o export /dev/sda1 DEVNAME=/dev/sda1 UUID=67378bcc-ba07-4074-9a7e-9daef3537ad5 VERSION=1.0 TYPE=ext4 USAGE=filesystem PART_ENTRY_SCHEME=dos PART_ENTRY_UUID=0003da58-01 PART_ENTRY_TYPE=0x83 PART_ENTRY_NUMBER=1 PART_ENTRY_OFFSET=2048 PART_ENTRY_SIZE=195309568 PART_ENTRY_DISK=8:0 Thanks, Jude
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