src/* : use lsblk --json output format#631

Draft

sohankunkerkar wants to merge 2 commits intocoreos:mainfrom sohankunkerkar:lsblk-change

+107-142

Commits on Oct 4, 2021

blockdev: drop support for querying partition holders
jlebon
committed

Commits on Oct 5, 2021

blockdev: use lsblk --json output format
sohankunkerkar
committed