132 unionfs_get_hashhead(struct vnode *dvp, struct vnode *lookup)  in unionfs_get_hashhead()  argument
136 	unp = VTOUNIONFS(dvp);  in unionfs_get_hashhead()
143  * from dvp, with dvp's interlock held.
146 unionfs_get_cached_vnode_locked(struct vnode *lookup, struct vnode *dvp)  in unionfs_get_cached_vnode_locked()  argument
152 	hd = unionfs_get_hashhead(dvp, lookup);  in unionfs_get_cached_vnode_locked()
181     struct vnode *dvp)  in unionfs_get_cached_vnode()  argument
186 	VI_LOCK(dvp);  in unionfs_get_cached_vnode()
188 		vp = unionfs_get_cached_vnode_locked(uvp, dvp);  in unionfs_get_cached_vnode()
190 		vp = unionfs_get_cached_vnode_locked(lvp, dvp);  in unionfs_get_cached_vnode()
191 	VI_UNLOCK(dvp);  in unionfs_get_cached_vnode()
201     struct vnode *dvp)  in unionfs_ins_cached_vnode()  argument
207 	VI_LOCK(dvp);  in unionfs_ins_cached_vnode()
212 		vp = unionfs_get_cached_vnode_locked(uncp->un_uppervp, dvp);  in unionfs_ins_cached_vnode()
217 		vp = unionfs_get_cached_vnode_locked(uncp->un_lowervp, dvp);  in unionfs_ins_cached_vnode()
220 		hd = unionfs_get_hashhead(dvp, (uncp->un_uppervp != NULLVP ?  in unionfs_ins_cached_vnode()
224 	VI_UNLOCK(dvp);  in unionfs_ins_cached_vnode()
233 unionfs_rem_cached_vnode(struct unionfs_node *unp, struct vnode *dvp)  in unionfs_rem_cached_vnode()  argument
236 	KASSERT(dvp != NULLVP,  in unionfs_rem_cached_vnode()
239 	VI_LOCK(dvp);  in unionfs_rem_cached_vnode()
245 	VI_UNLOCK(dvp);  in unionfs_rem_cached_vnode()
300     struct vnode *lowervp, struct vnode *dvp, struct vnode **vpp,  in unionfs_nodeget()  argument
328 	if (dvp != NULLVP && vt == VDIR) {  in unionfs_nodeget()
329 		vp = unionfs_get_cached_vnode(uppervp, lowervp, dvp);  in unionfs_nodeget()
346 	if (dvp != NULLVP)  in unionfs_nodeget()
347 		vref(dvp);  in unionfs_nodeget()
363 	unp->un_dvp = dvp;  in unionfs_nodeget()
389 	KASSERT(dvp != NULL || (vp->v_vflag & VV_ROOT) != 0,  in unionfs_nodeget()
390 	    ("%s: NULL dvp for non-root vp %p", __func__, vp));  in unionfs_nodeget()
395 	 * If dvp has an upper FS component and is locked, while the new vnode  in unionfs_nodeget()
436 	if (dvp != NULLVP && vt == VDIR)  in unionfs_nodeget()
437 		*vpp = unionfs_ins_cached_vnode(unp, dvp);  in unionfs_nodeget()
465 	struct vnode   *dvp;  in unionfs_noderem()  local
486 	dvp = unp->un_dvp;  in unionfs_noderem()
553 	if (dvp != NULLVP)  in unionfs_noderem()
554 		unionfs_rem_cached_vnode(unp, dvp);  in unionfs_noderem()
570 	if (dvp != NULLVP) {  in unionfs_noderem()
711  * dvp should be locked on entry and will be locked on return.
714  * locked, referenced vnode. If *vpp == dvp then remember that only one
718 unionfs_relookup(struct vnode *dvp, struct vnode **vpp,  in unionfs_relookup()  argument
742 	vref(dvp);  in unionfs_relookup()
743 	VOP_UNLOCK(dvp);  in unionfs_relookup()
745 	if ((error = vfs_relookup(dvp, vpp, cn, refstart))) {  in unionfs_relookup()
746 		vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);  in unionfs_relookup()
748 		vrele(dvp);  in unionfs_relookup()
768 	struct vnode   *dvp;  in unionfs_node_update()  local
775 	dvp = unp->un_dvp;  in unionfs_node_update()
796 	if (dvp != NULLVP && vp->v_type == VDIR) {  in unionfs_node_update()
797 		VI_LOCK(dvp);  in unionfs_node_update()
800 			hd = unionfs_get_hashhead(dvp, uvp);  in unionfs_node_update()
877  * dvp and vp are unionfs vnodes representing a parent directory and
883 unionfs_mkshadowdir(struct vnode *dvp, struct vnode *vp,  in unionfs_mkshadowdir()  argument
901 	ASSERT_VOP_ELOCKED(dvp, __func__);  in unionfs_mkshadowdir()
907 	dunp = VTOUNIONFS(dvp);  in unionfs_mkshadowdir()
941 		 * then jump to exit code that relocks dvp, which in most  in unionfs_mkshadowdir()
945 		 * below) may unlock and then relock udvp, allowing dvp to  in unionfs_mkshadowdir()
946 		 * be reclaimed in the meantime.  In such a situation dvp  in unionfs_mkshadowdir()
950 		 * dvp on exit than to explicitly check for reclamation  in unionfs_mkshadowdir()
951 		 * of dvp.  in unionfs_mkshadowdir()
995 		 * dvp on exit.  in unionfs_mkshadowdir()
1036 	vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);  in unionfs_mkshadowdir()
1038 	if (error == 0 && (VN_IS_DOOMED(dvp) || VN_IS_DOOMED(vp)))  in unionfs_mkshadowdir()
1203  * dvp and vp are unionfs vnodes representing a parent directory and
1207 unionfs_mkwhiteout(struct vnode *dvp, struct vnode *vp,  in unionfs_mkwhiteout()  argument
1217 	ASSERT_VOP_ELOCKED(dvp, __func__);  in unionfs_mkwhiteout()
1220 	udvp = VTOUNIONFS(dvp)->un_uppervp;  in unionfs_mkwhiteout()
1248 	if (VTOUNIONFS(dvp) == NULL) {  in unionfs_mkwhiteout()
1255 	vn_lock_pair(dvp, dvp_locked, LK_EXCLUSIVE, vp, false, LK_EXCLUSIVE);  in unionfs_mkwhiteout()