Full Idea
Locke didn't think of knowledge as true justified belief. …He considered "knowledge of" as prior to "knowledge that", and knowledge as a relation between persons and objects rather than persons and propositions.
Gist of Idea
For Locke knowledge relates to objects, not to propositions
Source
report of John Locke (Essay Conc Human Understanding (2nd Ed) [1694]) by Richard Rorty - Philosophy and the Mirror of Nature 3.2
Book Reference
Rorty,Richard: 'Philosophy and the Mirror of Nature' [Blackwell 1980], p.141
A Reaction
This seems pretty close to Russell's 'knowledge by acquaintance'. You'd be a in a stronger position to build on this sort of thing if you were a direct realist about perception.