From ff19fd624233a938b6a09ac75a87a2c69d65df08 Mon Sep 17 00:00:00 2001
From: Mateusz Guzik <mjg@FreeBSD.org>
Date: Sat, 7 Nov 2020 16:58:38 +0000
Subject: [PATCH] zfs: remove 2 assertions that teardown lock is not held

They are not very useful and hard to implement with rms.

This has a side effect of simplying the code.
---
 .../openzfs/module/os/freebsd/zfs/zfs_vnops.c | 45 -------------------
 1 file changed, 45 deletions(-)

diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops.c b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops.c
index 367e56ce54b9..3c3285f93389 100644
--- a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops.c
+++ b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops.c
@@ -1451,10 +1451,6 @@ zfs_lookup_lock(vnode_t *dvp, vnode_t *vp, const char *name, int lkflags)
 
 	if (zfsvfs->z_replay == B_FALSE)
 		ASSERT_VOP_LOCKED(dvp, __func__);
-#ifdef DIAGNOSTIC
-	if ((zdp->z_pflags & ZFS_XATTR) == 0)
-		VERIFY(!ZFS_TEARDOWN_HELD(zfsvfs));
-#endif
 
 	if (name[0] == 0 || (name[0] == '.' && name[1] == 0)) {
 		ASSERT3P(dvp, ==, vp);
@@ -6523,39 +6519,6 @@ zfs_vptocnp(struct vop_vptocnp_args *ap)
 	return (error);
 }
 
-#ifdef DIAGNOSTIC
-#ifndef _SYS_SYSPROTO_H_
-struct vop_lock1_args {
-	struct vnode *a_vp;
-	int a_flags;
-	char *file;
-	int line;
-};
-#endif
-
-static int
-zfs_lock(struct vop_lock1_args *ap)
-{
-	vnode_t *vp;
-	znode_t *zp;
-	int err;
-
-#if __FreeBSD_version >= 1300064
-	err = vop_lock(ap);
-#else
-	err = vop_stdlock(ap);
-#endif
-	if (err == 0 && (ap->a_flags & LK_NOWAIT) == 0) {
-		vp = ap->a_vp;
-		zp = vp->v_data;
-		if (vp->v_mount != NULL && !VN_IS_DOOMED(vp) &&
-		    zp != NULL && (zp->z_pflags & ZFS_XATTR) == 0)
-			VERIFY(!ZFS_TEARDOWN_HELD(zp->z_zfsvfs));
-	}
-	return (err);
-}
-#endif
-
 struct vop_vector zfs_vnodeops;
 struct vop_vector zfs_fifoops;
 struct vop_vector zfs_shareops;
@@ -6606,17 +6569,9 @@ struct vop_vector zfs_vnodeops = {
 	.vop_putpages =		zfs_freebsd_putpages,
 	.vop_vptocnp =		zfs_vptocnp,
 #if __FreeBSD_version >= 1300064
-#ifdef DIAGNOSTIC
-	.vop_lock1 =		zfs_lock,
-#else
 	.vop_lock1 =		vop_lock,
-#endif
 	.vop_unlock =		vop_unlock,
 	.vop_islocked =		vop_islocked,
-#else
-#ifdef DIAGNOSTIC
-	.vop_lock1 =		zfs_lock,
-#endif
 #endif
 };
 VFS_VOP_VECTOR_REGISTER(zfs_vnodeops);