bsd/vfs/vfs_subr.c

8175 	vnode_resolve_t rp;
8190 	rp = vp->v_resolve;
8191 	lck_mtx_lock(&rp->vr_lock);
8193 	if (seq > rp->vr_lastseq) {
8195 			rp->vr_flags |= VNT_RESOLVED;
8197 			rp->vr_flags &= ~VNT_RESOLVED;
8199 		rp->vr_lastseq = seq;
8202 	lck_mtx_unlock(&rp->vr_lock);
8208 vnode_resolver_attach(vnode_t vp, vnode_resolve_t rp, boolean_t ref)
8217 		vp->v_resolve = rp;
8240 	vnode_resolve_t rp;
8249 	MALLOC(rp, vnode_resolve_t, sizeof(*rp), M_TEMP, M_WAITOK);
8250 	if (rp == NULL)
8253 	lck_mtx_init(&rp->vr_lock, trigger_vnode_lck_grp, trigger_vnode_lck_attr);
8255 	rp->vr_resolve_func = tinfo->vnt_resolve_func;
8256 	rp->vr_unresolve_func = tinfo->vnt_unresolve_func;
8257 	rp->vr_rearm_func = tinfo->vnt_rearm_func;
8258 	rp->vr_reclaim_func = tinfo->vnt_reclaim_func;
8259 	rp->vr_data = tinfo->vnt_data;
8260 	rp->vr_lastseq = 0;
8261 	rp->vr_flags = tinfo->vnt_flags & VNT_VALID_MASK;
8263 		rp->vr_flags |= VNT_EXTERNAL;
8266 	result = vnode_resolver_attach(vp, rp, external);
8278 	FREE(rp, M_TEMP);
8283 vnode_resolver_release(vnode_resolve_t rp)
8288 	if (rp->vr_data && rp->vr_reclaim_func) {
8289 		rp->vr_reclaim_func(NULLVP, rp->vr_data);
8292 	lck_mtx_destroy(&rp->vr_lock, trigger_vnode_lck_grp);
8293 	FREE(rp, M_TEMP);
8301 	vnode_resolve_t rp;
8307 	rp = vp->v_resolve;
8311 	if ((rp->vr_flags & VNT_EXTERNAL) != 0) {
8315 	vnode_resolver_release(rp);
8345 	vnode_resolve_t rp;
8356 	rp = vp->v_resolve;
8357 	lck_mtx_lock(&rp->vr_lock);
8362 	if (rp->vr_flags & VNT_VFS_UNMOUNTED) {
8363 		lck_mtx_unlock(&rp->vr_lock);
8368 	if ((rp->vr_flags & VNT_RESOLVED) == 0) {
8369 		lck_mtx_unlock(&rp->vr_lock);
8373 	lck_mtx_unlock(&rp->vr_lock);
8375 	result = rp->vr_rearm_func(vp, 0, rp->vr_data, ctx);
8379 	lck_mtx_lock(&rp->vr_lock);
8380 	if (seq > rp->vr_lastseq) {
8382 			rp->vr_flags &= ~VNT_RESOLVED;
8383 		rp->vr_lastseq = seq;
8385 	lck_mtx_unlock(&rp->vr_lock);
8392 	vnode_resolve_t rp;
8405 	rp = vp->v_resolve;
8406 	lck_mtx_lock(&rp->vr_lock);
8409 	if (rp->vr_flags & VNT_RESOLVED) {
8410 		lck_mtx_unlock(&rp->vr_lock);
8414 	lck_mtx_unlock(&rp->vr_lock);
8429 	result = rp->vr_resolve_func(vp, &ndp->ni_cnd, op, 0, rp->vr_data, ctx);
8433 	lck_mtx_lock(&rp->vr_lock);
8434 	if (seq > rp->vr_lastseq) {
8436 			rp->vr_flags |= VNT_RESOLVED;
8437 		rp->vr_lastseq = seq;
8439 	lck_mtx_unlock(&rp->vr_lock);
8448 	vnode_resolve_t rp;
8457 	rp = vp->v_resolve;
8458 	lck_mtx_lock(&rp->vr_lock);
8461 	if ((rp->vr_flags & VNT_RESOLVED) == 0) {
8463 		lck_mtx_unlock(&rp->vr_lock);
8467 	rp->vr_flags |= VNT_VFS_UNMOUNTED;
8469 	lck_mtx_unlock(&rp->vr_lock);
8479 	result = rp->vr_unresolve_func(vp, flags, rp->vr_data, ctx);
8483 	lck_mtx_lock(&rp->vr_lock);
8484 	if (seq > rp->vr_lastseq) {
8486 			rp->vr_flags &= ~VNT_RESOLVED;
8487 		rp->vr_lastseq = seq;
8489 	rp->vr_flags &= ~VNT_VFS_UNMOUNTED;
8490 	lck_mtx_unlock(&rp->vr_lock);