xfs: add repair helpers for the reference count btree

Add a couple of functions to the refcount btree and generic btree code
that will be used to repair the refcountbt.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong 2018-05-09 10:02:03 -07:00
commit 08daa3ccf5
4 changed files with 41 additions and 0 deletions