The ZFS probe code in e2fsprogs libblkid does not work for newly-
formatted ZFS filesystems. Add a more robust checking method for ZFS
filesystems.
"make check" still passes with the existing lib/blkid/tests/
zfs.img.bz2 image, so no change is needed there.
Cheers, Andreas
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Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.