tree 0e3cba0cdb7a09930b1931ece156c32c52e16dad
parent e4c78e210daea17f82f12037005df225e22189b9
author Mike Snitzer <snitzer@redhat.com> 1436974979 -0400
committer Mike Snitzer <snitzer@redhat.com> 1437056630 -0400

dm cache: display 'needs_check' in status if it is set

There is currently no way to see that the needs_check flag has been set
in the metadata.  Display 'needs_check' in the cache status if it is set
in the cache metadata.

Also, update cache documentation.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>