[dm-devel] [PATCH] libdevmapper: (6/6) Add deps and treenode fields for dmsetup info -c

[Jun'ichi Nomura]

Hi,

This patch adds optional fields to 'dmsetup info -c'.
You can specify the following fields with '-o', '-O' and filtering option.
  - deps
  - deps_count
  - parents
  - parents_count

For example, you can find the top-level dm devices by:
  # dmsetup info -c -o name --filter 'parents_count == 0'

Thanks,
-- 
Jun'ichi Nomura, NEC Corporation of America
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