On Mon, Nov 21, 2016 at 05:42:15PM -0500, John Ferlan wrote:
[...][C] might be more user-friendly, but I'm not sure if we can change the meaning of the NO_OVERWRITE constant like that. On the bright side, if blkid can also identify partition tables, we could unify the probing code with the disk backend and stop parsing parted's output (also, catch those cases when someone puts the filesystem on the block device instead of its partition).After some experimenting - the blkid_known_fstype would fail for every one of the disk format types, so it'd be useless to help detect.
The equivalent for partition tables is blkid_known_pttype. After enabling the partition detection chain and calling do_probe in a loop I was able to get "gpt" in the PTYPE property.
Furthermore, blkid_do_probe would fail for every type except when a pvcreate has been performed on the device path. Thus it seems we're stuck with parsing parted's output for disk.
Depends on the portability requirements. It seems there is e2fsprogs-libblkid even on FreeBSD. Jan
And the fs pool usage of overwrite still makes no sense when compared to disk (I think we agree that logical's lack of usage/support for --overwrite is incorrect too). John
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