Commits
Mike Snitzer committed 6a1b1ddc6a2
dm thin metadata: add wrappers for managing write locking of metadata No functional change, but this prepares to hook off of pmd_write_lock() with additional functionality (as provided in next commit). Suggested-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>