308 	struct vnode *devvp;  in udf_mount()  local
345 				NSM_FOLLOW_NOEMULROOT, &devvp);  in udf_mount()
351 		vprint("UDF mount, trying to mount \n", devvp);  in udf_mount()
355 	if (devvp->v_type != VBLK) {  in udf_mount()
356 		vrele(devvp);  in udf_mount()
359 	if (bdevsw_lookup(devvp->v_rdev) == NULL) {  in udf_mount()
360 		vrele(devvp);  in udf_mount()
371 	vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);  in udf_mount()
373 	    KAUTH_REQ_SYSTEM_MOUNT_DEVICE, mp, devvp, KAUTH_ARG(accessmode));  in udf_mount()
374 	VOP_UNLOCK(devvp);  in udf_mount()
376 		vrele(devvp);  in udf_mount()
388 	vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);  in udf_mount()
389 	error = VOP_OPEN(devvp, openflags, FSCRED);  in udf_mount()
390 	VOP_UNLOCK(devvp);  in udf_mount()
393 		error = udf_mountfs(devvp, mp, l, args);  in udf_mount()
399 			vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);  in udf_mount()
400 			(void) VOP_CLOSE(devvp, openflags, NOCRED);  in udf_mount()
401 			VOP_UNLOCK(devvp);  in udf_mount()
406 		vrele(devvp);  in udf_mount()
411 	spec_node_setmountedfs(devvp, mp);  in udf_mount()
539 	vn_lock(ump->devvp, LK_EXCLUSIVE | LK_RETRY);  in udf_unmount()
540 	error = VOP_CLOSE(ump->devvp, closeflags, NOCRED);  in udf_unmount()
547 	spec_node_setmountedfs(ump->devvp, NULL);  in udf_unmount()
548 	vput(ump->devvp);  in udf_unmount()
568 udf_mountfs(struct vnode *devvp, struct mount *mp,  in udf_mountfs()  argument
577 	vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);  in udf_mountfs()
578 	error = vinvalbuf(devvp, V_SAVE, l->l_cred, l, 0, 0);  in udf_mountfs()
579 	VOP_UNLOCK(devvp);  in udf_mountfs()
585 	mp->mnt_stat.f_fsidx.__fsid_val[0] = (uint32_t) devvp->v_rdev;  in udf_mountfs()
609 	ump->devvp      = devvp;  in udf_mountfs()