Authored by: Alan Somers <asomers@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>
There are two reasons:
1) Finding a znode's path is slower than printing any other znode
information at verbosity < 5.
2) On a corrupted pool like the one mentioned below, zdb will crash when it
tries to determine the znode's path. But with this patch, zdb can still
extract useful information from such pools.
OpenZFS-issue: https://www.illumos.org/issues/7900
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/2b0dee1Closes#6016
a5c3a1efaf