dm_integrity_commit_id
js->commit_id = dm_integrity_commit_id(ic, i, j, ic->commit_seq);
js->commit_id = dm_integrity_commit_id(ic, i, j, commit_seq);
if (dm_integrity_commit_id(ic, i, j, k) == id)
if (js->commit_id != dm_integrity_commit_id(ic, i, j, want_commit_seq)) {