diff --git a/sys/kern/vfs_export.c b/sys/kern/vfs_export.c
index 8beb3e6309ab..d7a9436802ee 100644
--- a/sys/kern/vfs_export.c
+++ b/sys/kern/vfs_export.c
@@ -1479,10 +1479,11 @@ vrele(vp)
 	struct proc *p = curproc;	/* XXX */
 
 	KASSERT(vp != NULL, ("vrele: null vp"));
-	KASSERT(vp->v_writecount < vp->v_usecount, ("vrele: missed vn_close"));
 
 	simple_lock(&vp->v_interlock);
 
+	KASSERT(vp->v_writecount < vp->v_usecount, ("vrele: missed vn_close"));
+
 	if (vp->v_usecount > 1) {
 
 		vp->v_usecount--;
@@ -1525,10 +1526,11 @@ vput(vp)
 	struct proc *p = curproc;	/* XXX */
 
 	KASSERT(vp != NULL, ("vput: null vp"));
-	KASSERT(vp->v_writecount < vp->v_usecount, ("vput: missed vn_close"));
 
 	simple_lock(&vp->v_interlock);
 
+	KASSERT(vp->v_writecount < vp->v_usecount, ("vput: missed vn_close"));
+
 	if (vp->v_usecount > 1) {
 
 		vp->v_usecount--;
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index 8beb3e6309ab..d7a9436802ee 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -1479,10 +1479,11 @@ vrele(vp)
 	struct proc *p = curproc;	/* XXX */
 
 	KASSERT(vp != NULL, ("vrele: null vp"));
-	KASSERT(vp->v_writecount < vp->v_usecount, ("vrele: missed vn_close"));
 
 	simple_lock(&vp->v_interlock);
 
+	KASSERT(vp->v_writecount < vp->v_usecount, ("vrele: missed vn_close"));
+
 	if (vp->v_usecount > 1) {
 
 		vp->v_usecount--;
@@ -1525,10 +1526,11 @@ vput(vp)
 	struct proc *p = curproc;	/* XXX */
 
 	KASSERT(vp != NULL, ("vput: null vp"));
-	KASSERT(vp->v_writecount < vp->v_usecount, ("vput: missed vn_close"));
 
 	simple_lock(&vp->v_interlock);
 
+	KASSERT(vp->v_writecount < vp->v_usecount, ("vput: missed vn_close"));
+
 	if (vp->v_usecount > 1) {
 
 		vp->v_usecount--;