Retire VOP_LEASE(); It was a bit for NQNFS and has

effectively been a no-op for quite some time now,
without promise for future usage.

ok pedro@
Testing by krw@ (earlier diff)
and Johan Mson Lindman (tybollt@solace.miun.se)

26 files changed, 25 insertions, 134 deletions

diff --git a/sys/adosfs/advnops.c b/sys/adosfs/advnops.c
index 836bb0d0ec6..897e931cc61 100644
--- a/sys/adosfs/advnops.c
+++ b/sys/adosfs/advnops.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: advnops.c,v 1.32 2006/01/20 23:27:24 miod Exp $	*/
+/*	$OpenBSD: advnops.c,v 1.33 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: advnops.c,v 1.32 1996/10/13 02:52:09 christos Exp $	*/
 
 /*
@@ -78,13 +78,6 @@ int	adenotsup(void *);
 
 #define adosfs_close 		adnullop
 #define adosfs_fsync 		adnullop
-#ifdef NFSSERVER
-int	lease_check(void *);
-#define	adosfs_lease_check lease_check
-#else
-#define adosfs_lease_check 	adnullop
-#endif
-
 #define adosfs_bwrite 		adenotsup
 #define adosfs_create 		adenotsup
 #define adosfs_mkdir 		adenotsup
@@ -106,7 +99,6 @@ struct vnodeopv_entry_desc adosfs_vnodeop_entries[] = {
 	{ &vop_setattr_desc, adosfs_setattr },		/* setattr */
 	{ &vop_read_desc, adosfs_read },		/* read */
 	{ &vop_write_desc, adosfs_write },		/* write */
-	{ &vop_lease_desc, adosfs_lease_check },	/* lease */
 	{ &vop_ioctl_desc, adosfs_ioctl },		/* ioctl */
 	{ &vop_poll_desc, adosfs_poll },		/* poll */
 	{ &vop_fsync_desc, adosfs_fsync },		/* fsync */
diff --git a/sys/compat/netbsd/netbsd_misc.c b/sys/compat/netbsd/netbsd_misc.c
index 627c5cb1d83..8bf0f9d0843 100644
--- a/sys/compat/netbsd/netbsd_misc.c
+++ b/sys/compat/netbsd/netbsd_misc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: netbsd_misc.c,v 1.14 2004/11/23 19:08:54 miod Exp $	*/
+/*	$OpenBSD: netbsd_misc.c,v 1.15 2007/01/16 17:52:18 thib Exp $	*/
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1991, 1993
@@ -98,7 +98,6 @@ netbsd_sys_lchmod(p, v, retval)
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	vp = nd.ni_vp;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_mount->mnt_flag & MNT_RDONLY)
 		error = EROFS;
@@ -148,7 +147,6 @@ netbsd_sys_lutimes(p, v, retval)
         if ((error = namei(&nd)) != 0)
                 return (error);
         vp = nd.ni_vp;
-        VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
         if (vp->v_mount->mnt_flag & MNT_RDONLY)
                 error = EROFS;
diff --git a/sys/isofs/cd9660/cd9660_vnops.c b/sys/isofs/cd9660/cd9660_vnops.c
index 7bb6d23ff28..6502c58573e 100644
--- a/sys/isofs/cd9660/cd9660_vnops.c
+++ b/sys/isofs/cd9660/cd9660_vnops.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cd9660_vnops.c,v 1.37 2006/12/29 13:04:37 pedro Exp $	*/
+/*	$OpenBSD: cd9660_vnops.c,v 1.38 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: cd9660_vnops.c,v 1.42 1997/10/16 23:56:57 christos Exp $	*/
 
 /*-
@@ -1016,12 +1016,6 @@ cd9660_pathconf(v)
 #define	cd9660_create	eopnotsupp
 #define	cd9660_mknod	eopnotsupp
 #define	cd9660_write	eopnotsupp
-#ifdef	NFSSERVER
-int	lease_check(void *);
-#define	cd9660_lease_check	lease_check
-#else
-#define	cd9660_lease_check	nullop
-#endif
 #define	cd9660_fsync	nullop
 #define	cd9660_remove	eopnotsupp
 #define	cd9660_rename	eopnotsupp
@@ -1051,7 +1045,6 @@ struct vnodeopv_entry_desc cd9660_vnodeop_entries[] = {
 	{ &vop_setattr_desc, cd9660_setattr },	/* setattr */
 	{ &vop_read_desc, cd9660_read },	/* read */
 	{ &vop_write_desc, cd9660_write },	/* write */
-	{ &vop_lease_desc, cd9660_lease_check },/* lease */
 	{ &vop_ioctl_desc, cd9660_ioctl },	/* ioctl */
 	{ &vop_poll_desc, cd9660_poll },	/* poll */
 	{ &vop_revoke_desc, cd9660_revoke },    /* revoke */
diff --git a/sys/kern/kern_acct.c b/sys/kern/kern_acct.c
index 0a229b2ebc3..262cda6a6c0 100644
--- a/sys/kern/kern_acct.c
+++ b/sys/kern/kern_acct.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kern_acct.c,v 1.19 2006/11/14 18:00:27 jmc Exp $	*/
+/*	$OpenBSD: kern_acct.c,v 1.20 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: kern_acct.c,v 1.42 1996/02/04 02:15:12 christos Exp $	*/
 
 /*-
@@ -227,7 +227,6 @@ acct_process(struct proc *p)
 	/*
 	 * Now, just write the accounting information to the file.
 	 */
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&acct, sizeof (acct),
 	    (off_t)0, UIO_SYSSPACE, IO_APPEND|IO_UNIT, p->p_ucred, NULL, p);
 
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c
index f95d021c7ae..7af39621580 100644
--- a/sys/kern/kern_sig.c
+++ b/sys/kern/kern_sig.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kern_sig.c,v 1.84 2006/06/15 20:08:01 miod Exp $	*/
+/*	$OpenBSD: kern_sig.c,v 1.85 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: kern_sig.c,v 1.54 1996/04/22 01:38:32 christos Exp $	*/
 
 /*
@@ -1353,7 +1353,6 @@ coredump(struct proc *p)
 	}
 	VATTR_NULL(&vattr);
 	vattr.va_size = 0;
-	VOP_LEASE(vp, p, cred, LEASE_WRITE);
 	VOP_SETATTR(vp, &vattr, cred, p);
 	p->p_acflag |= ACORE;
 	bcopy(p, &p->p_addr->u_kproc.kp_proc, sizeof(struct proc));
diff --git a/sys/kern/spec_vnops.c b/sys/kern/spec_vnops.c
index 2411f00f705..9a68d9ea1fb 100644
--- a/sys/kern/spec_vnops.c
+++ b/sys/kern/spec_vnops.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: spec_vnops.c,v 1.37 2006/11/29 14:30:30 krw Exp $	*/
+/*	$OpenBSD: spec_vnops.c,v 1.38 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: spec_vnops.c,v 1.29 1996/04/22 01:42:38 christos Exp $	*/
 
 /*
@@ -68,7 +68,6 @@ struct vnodeopv_entry_desc spec_vnodeop_entries[] = {
 	{ &vop_setattr_desc, spec_setattr },		/* setattr */
 	{ &vop_read_desc, spec_read },			/* read */
 	{ &vop_write_desc, spec_write },		/* write */
-	{ &vop_lease_desc, spec_lease_check },		/* lease */
 	{ &vop_ioctl_desc, spec_ioctl },		/* ioctl */
 	{ &vop_poll_desc, spec_poll },			/* poll */
 	{ &vop_kqfilter_desc, spec_kqfilter },		/* kqfilter */
diff --git a/sys/kern/uipc_usrreq.c b/sys/kern/uipc_usrreq.c
index 0cca9aeb9d3..66ac1394dca 100644
--- a/sys/kern/uipc_usrreq.c
+++ b/sys/kern/uipc_usrreq.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uipc_usrreq.c,v 1.33 2006/11/17 08:33:20 claudio Exp $	*/
+/*	$OpenBSD: uipc_usrreq.c,v 1.34 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: uipc_usrreq.c,v 1.18 1996/02/09 19:00:50 christos Exp $	*/
 
 /*
@@ -426,7 +426,6 @@ unp_bind(struct unpcb *unp, struct mbuf *nam, struct proc *p)
 	VATTR_NULL(&vattr);
 	vattr.va_type = VSOCK;
 	vattr.va_mode = ACCESSPERMS &~ p->p_fd->fd_cmask;
-	VOP_LEASE(nd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
 	error = VOP_CREATE(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr);
 	if (error)
 		return (error);
diff --git a/sys/kern/vfs_default.c b/sys/kern/vfs_default.c
index d4a6e35919c..da7b13db6a9 100644
--- a/sys/kern/vfs_default.c
+++ b/sys/kern/vfs_default.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vfs_default.c,v 1.30 2005/11/07 01:02:32 pedro Exp $  */
+/*	$OpenBSD: vfs_default.c,v 1.31 2007/01/16 17:52:18 thib Exp $  */
 
 /*
  * Portions of this code are:
@@ -235,11 +235,3 @@ filt_generic_readwrite(struct knote *kn, long hint)
 
         return (1);
 }
-
-int lease_check(void *);
-
-int
-lease_check(void *v)
-{
-	return (0);
-}
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index 6e734e3cdd9..7c309acf9b4 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vfs_syscalls.c,v 1.138 2006/11/24 17:04:20 art Exp $	*/
+/*	$OpenBSD: vfs_syscalls.c,v 1.139 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: vfs_syscalls.c,v 1.71 1996/04/23 10:29:02 mycroft Exp $	*/
 
 /*
@@ -889,7 +889,6 @@ sys_open(struct proc *p, void *v, register_t *retval)
 		fp->f_flag |= FHASLOCK;
 	}
 	if (localtrunc) {
-		VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 		if ((fp->f_flag & FWRITE) == 0)
 			error = EACCES;
 		else if (vp->v_mount->mnt_flag & MNT_RDONLY)
@@ -1029,9 +1028,6 @@ sys_fhopen(struct proc *p, void *v, register_t *retval)
 			goto bad;
 	}
 	if (flags & O_TRUNC) {
-		VOP_UNLOCK(vp, 0, p);				/* XXX */
-		VOP_LEASE(vp, p, cred, LEASE_WRITE);
-		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);	/* XXX */
 		VATTR_NULL(&va);
 		va.va_size = 0;
 		if ((error = VOP_SETATTR(vp, &va, cred, p)) != 0)
@@ -1207,7 +1203,6 @@ sys_mknod(struct proc *p, void *v, register_t *retval)
 		}
 	}
 	if (!error) {
-		VOP_LEASE(nd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
 		error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr);
 	} else {
 		VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
@@ -1254,7 +1249,6 @@ sys_mkfifo(struct proc *p, void *v, register_t *retval)
 	VATTR_NULL(&vattr);
 	vattr.va_type = VFIFO;
 	vattr.va_mode = (SCARG(uap, mode) & ALLPERMS) &~ p->p_fd->fd_cmask;
-	VOP_LEASE(nd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
 	return (VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr));
 #endif /* FIFO */
 }
@@ -1298,8 +1292,6 @@ sys_link(struct proc *p, void *v, register_t *retval)
 		error = EEXIST;
 		goto out;
 	}
-	VOP_LEASE(nd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	error = VOP_LINK(nd.ni_dvp, vp, &nd.ni_cnd);
 out:
 	vrele(vp);
@@ -1341,7 +1333,6 @@ sys_symlink(struct proc *p, void *v, register_t *retval)
 	}
 	VATTR_NULL(&vattr);
 	vattr.va_mode = ACCESSPERMS &~ p->p_fd->fd_cmask;
-	VOP_LEASE(nd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
 	error = VOP_SYMLINK(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr, path);
 out:
 	pool_put(&namei_pool, path);
@@ -1384,8 +1375,6 @@ sys_unlink(struct proc *p, void *v, register_t *retval)
 
 	(void)uvm_vnp_uncache(vp);
 
-	VOP_LEASE(nd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	error = VOP_REMOVE(nd.ni_dvp, nd.ni_vp, &nd.ni_cnd);
 out:
 	return (error);
@@ -1640,7 +1629,6 @@ sys_chflags(struct proc *p, void *v, register_t *retval)
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	vp = nd.ni_vp;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_mount->mnt_flag & MNT_RDONLY)
 		error = EROFS;
@@ -1683,7 +1671,6 @@ sys_fchflags(struct proc *p, void *v, register_t *retval)
 	if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
 		return (error);
 	vp = (struct vnode *)fp->f_data;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_mount && vp->v_mount->mnt_flag & MNT_RDONLY)
 		error = EROFS;
@@ -1732,7 +1719,6 @@ sys_chmod(struct proc *p, void *v, register_t *retval)
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	vp = nd.ni_vp;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_mount->mnt_flag & MNT_RDONLY)
 		error = EROFS;
@@ -1767,7 +1753,6 @@ sys_fchmod(struct proc *p, void *v, register_t *retval)
 	if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
 		return (error);
 	vp = (struct vnode *)fp->f_data;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_mount && vp->v_mount->mnt_flag & MNT_RDONLY)
 		error = EROFS;
@@ -1803,7 +1788,6 @@ sys_chown(struct proc *p, void *v, register_t *retval)
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	vp = nd.ni_vp;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_mount->mnt_flag & MNT_RDONLY)
 		error = EROFS;
@@ -1852,7 +1836,6 @@ sys_lchown(struct proc *p, void *v, register_t *retval)
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	vp = nd.ni_vp;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_mount->mnt_flag & MNT_RDONLY)
 		error = EROFS;
@@ -1900,7 +1883,6 @@ sys_fchown(struct proc *p, void *v, register_t *retval)
 	if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
 		return (error);
 	vp = (struct vnode *)fp->f_data;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_mount->mnt_flag & MNT_RDONLY)
 		error = EROFS;
@@ -1964,7 +1946,6 @@ sys_utimes(struct proc *p, void *v, register_t *retval)
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	vp = nd.ni_vp;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_mount->mnt_flag & MNT_RDONLY)
 		error = EROFS;
@@ -2015,7 +1996,6 @@ sys_futimes(struct proc *p, void *v, register_t *retval)
 	if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
 		return (error);
 	vp = (struct vnode *)fp->f_data;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_mount && vp->v_mount->mnt_flag & MNT_RDONLY)
 		error = EROFS;
@@ -2052,7 +2032,6 @@ sys_truncate(struct proc *p, void *v, register_t *retval)
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	vp = nd.ni_vp;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_type == VDIR)
 		error = EISDIR;
@@ -2092,7 +2071,6 @@ sys_ftruncate(struct proc *p, void *v, register_t *retval)
 		goto bad;
 	}
 	vp = (struct vnode *)fp->f_data;
-	VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	if (vp->v_type == VDIR)
 		error = EISDIR;
@@ -2195,12 +2173,8 @@ sys_rename(struct proc *p, void *v, register_t *retval)
 		error = -1;
 out:
 	if (!error) {
-		VOP_LEASE(tdvp, p, p->p_ucred, LEASE_WRITE);
-		if (fromnd.ni_dvp != tdvp)
-			VOP_LEASE(fromnd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
 		if (tvp) {
 			(void)uvm_vnp_uncache(tvp);
-			VOP_LEASE(tvp, p, p->p_ucred, LEASE_WRITE);
 		}
 		error = VOP_RENAME(fromnd.ni_dvp, fromnd.ni_vp, &fromnd.ni_cnd,
 				   tond.ni_dvp, tond.ni_vp, &tond.ni_cnd);
@@ -2260,7 +2234,6 @@ sys_mkdir(struct proc *p, void *v, register_t *retval)
 	VATTR_NULL(&vattr);
 	vattr.va_type = VDIR;
 	vattr.va_mode = (SCARG(uap, mode) & ACCESSPERMS) &~ p->p_fd->fd_cmask;
-	VOP_LEASE(nd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
 	error = VOP_MKDIR(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr);
 	if (!error)
 		vput(nd.ni_vp);
@@ -2304,8 +2277,6 @@ sys_rmdir(struct proc *p, void *v, register_t *retval)
 		error = EBUSY;
 out:
 	if (!error) {
-		VOP_LEASE(nd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
-		VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
 		error = VOP_RMDIR(nd.ni_dvp, nd.ni_vp, &nd.ni_cnd);
 	} else {
 		VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c
index d154d6b87b1..02e5b818a8c 100644
--- a/sys/kern/vfs_vnops.c
+++ b/sys/kern/vfs_vnops.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vfs_vnops.c,v 1.53 2006/06/02 20:25:09 pedro Exp $	*/
+/*	$OpenBSD: vfs_vnops.c,v 1.54 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: vfs_vnops.c,v 1.20 1996/02/04 02:18:41 christos Exp $	*/
 
 /*
@@ -96,7 +96,6 @@ vn_open(struct nameidata *ndp, int fmode, int cmode)
 			VATTR_NULL(&va);
 			va.va_type = VREG;
 			va.va_mode = cmode;
-			VOP_LEASE(ndp->ni_dvp, p, cred, LEASE_WRITE);
 			error = VOP_CREATE(ndp->ni_dvp, &ndp->ni_vp,
 					   &ndp->ni_cnd, &va);
 			if (error)
@@ -149,9 +148,6 @@ vn_open(struct nameidata *ndp, int fmode, int cmode)
 		}
 	}
 	if ((fmode & O_TRUNC) && vp->v_type == VREG) {
-		VOP_UNLOCK(vp, 0, p);				/* XXX */
-		VOP_LEASE(vp, p, cred, LEASE_WRITE);
-		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);	/* XXX */
 		VATTR_NULL(&va);
 		va.va_size = 0;
 		if ((error = VOP_SETATTR(vp, &va, cred, p)) != 0)
@@ -292,7 +288,6 @@ vn_read(struct file *fp, off_t *poff, struct uio *uio, struct ucred *cred)
 	size_t count;
 	struct proc *p = uio->uio_procp;
 
-	VOP_LEASE(vp, uio->uio_procp, cred, LEASE_READ);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	uio->uio_offset = *poff;
 	count = uio->uio_resid;
@@ -322,7 +317,6 @@ vn_write(struct file *fp, off_t *poff, struct uio *uio, struct ucred *cred)
 	if ((fp->f_flag & FFSYNC) ||
 	    (vp->v_mount && (vp->v_mount->mnt_flag & MNT_SYNCHRONOUS)))
 		ioflag |= IO_SYNC;
-	VOP_LEASE(vp, uio->uio_procp, cred, LEASE_WRITE);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
 	uio->uio_offset = *poff;
 	count = uio->uio_resid;
diff --git a/sys/kern/vnode_if.src b/sys/kern/vnode_if.src
index bc7422c1b37..b15a3fd991f 100644
--- a/sys/kern/vnode_if.src
+++ b/sys/kern/vnode_if.src
@@ -1,4 +1,4 @@
-#	$OpenBSD: vnode_if.src,v 1.31 2006/10/16 11:27:53 pedro Exp $
+#	$OpenBSD: vnode_if.src,v 1.32 2007/01/16 17:52:18 thib Exp $
 #	$NetBSD: vnode_if.src,v 1.10 1996/05/11 18:26:27 mycroft Exp $
 #
 # Copyright (c) 1992, 1993
@@ -187,16 +187,6 @@ vop_write {
 };
 
 #
-#% lease	vp	= = =
-#
-vop_lease {
-	IN struct vnode *vp;
-	IN struct proc *p;
-	IN struct ucred *cred;
-	IN int flag;
-};
-
-#
 #% ioctl	vp	U U U
 #
 
diff --git a/sys/miscfs/fifofs/fifo.h b/sys/miscfs/fifofs/fifo.h
index cdd59999b76..b3b0754285d 100644
--- a/sys/miscfs/fifofs/fifo.h
+++ b/sys/miscfs/fifofs/fifo.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fifo.h,v 1.15 2004/03/02 04:42:52 tedu Exp $	*/
+/*	$OpenBSD: fifo.h,v 1.16 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: fifo.h,v 1.10 1996/02/09 22:40:15 christos Exp $	*/
 
 /*
@@ -49,7 +49,6 @@ int	fifo_close(void *);
 #define fifo_setattr	fifo_ebadf
 int	fifo_read(void *);
 int	fifo_write(void *);
-#define fifo_lease_check nullop
 int	fifo_ioctl(void *);
 int	fifo_poll(void *);
 int	fifo_kqfilter(void *);
diff --git a/sys/miscfs/fifofs/fifo_vnops.c b/sys/miscfs/fifofs/fifo_vnops.c
index 2d6343c1095..6ba6fd0c11d 100644
--- a/sys/miscfs/fifofs/fifo_vnops.c
+++ b/sys/miscfs/fifofs/fifo_vnops.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fifo_vnops.c,v 1.21 2004/05/18 12:37:51 pedro Exp $	*/
+/*	$OpenBSD: fifo_vnops.c,v 1.22 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: fifo_vnops.c,v 1.18 1996/03/16 23:52:42 christos Exp $	*/
 
 /*
@@ -74,7 +74,6 @@ struct vnodeopv_entry_desc fifo_vnodeop_entries[] = {
 	{ &vop_setattr_desc, fifo_setattr },		/* setattr */
 	{ &vop_read_desc, fifo_read },			/* read */
 	{ &vop_write_desc, fifo_write },		/* write */
-	{ &vop_lease_desc, fifo_lease_check },		/* lease */
 	{ &vop_ioctl_desc, fifo_ioctl },		/* ioctl */
 	{ &vop_poll_desc, fifo_poll },			/* poll */
 	{ &vop_kqfilter_desc, fifo_kqfilter },		/* kqfilter */
diff --git a/sys/miscfs/specfs/spec_vnops.c b/sys/miscfs/specfs/spec_vnops.c
index 2411f00f705..9a68d9ea1fb 100644
--- a/sys/miscfs/specfs/spec_vnops.c
+++ b/sys/miscfs/specfs/spec_vnops.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: spec_vnops.c,v 1.37 2006/11/29 14:30:30 krw Exp $	*/
+/*	$OpenBSD: spec_vnops.c,v 1.38 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: spec_vnops.c,v 1.29 1996/04/22 01:42:38 christos Exp $	*/
 
 /*
@@ -68,7 +68,6 @@ struct vnodeopv_entry_desc spec_vnodeop_entries[] = {
 	{ &vop_setattr_desc, spec_setattr },		/* setattr */
 	{ &vop_read_desc, spec_read },			/* read */
 	{ &vop_write_desc, spec_write },		/* write */
-	{ &vop_lease_desc, spec_lease_check },		/* lease */
 	{ &vop_ioctl_desc, spec_ioctl },		/* ioctl */
 	{ &vop_poll_desc, spec_poll },			/* poll */
 	{ &vop_kqfilter_desc, spec_kqfilter },		/* kqfilter */
diff --git a/sys/miscfs/specfs/specdev.h b/sys/miscfs/specfs/specdev.h
index 8fc18c628b5..c95b18393d4 100644
--- a/sys/miscfs/specfs/specdev.h
+++ b/sys/miscfs/specfs/specdev.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: specdev.h,v 1.18 2006/06/02 20:25:09 pedro Exp $	*/
+/*	$OpenBSD: specdev.h,v 1.19 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: specdev.h,v 1.12 1996/02/13 13:13:01 mycroft Exp $	*/
 
 /*
@@ -102,7 +102,6 @@ int	spec_close(void *);
 #define	spec_setattr	spec_ebadf
 int	spec_read(void *);
 int	spec_write(void *);
-#define	spec_lease_check nullop
 int	spec_ioctl(void *);
 int	spec_poll(void *);
 int	spec_kqfilter(void *);
diff --git a/sys/msdosfs/denode.h b/sys/msdosfs/denode.h
index 827433ac702..dd8d992ce57 100644
--- a/sys/msdosfs/denode.h
+++ b/sys/msdosfs/denode.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: denode.h,v 1.18 2005/03/01 14:24:33 tom Exp $	*/
+/*	$OpenBSD: denode.h,v 1.19 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: denode.h,v 1.24 1997/10/17 11:23:39 ws Exp $	*/
 
 /*-
@@ -268,12 +268,6 @@ int	msdosfs_getattr(void *);
 int	msdosfs_setattr(void *);
 int	msdosfs_read(void *);
 int	msdosfs_write(void *);
-#ifdef NFSSERVER
-int	lease_check(void *);
-#define	msdosfs_lease_check lease_check
-#else
-#define	msdosfs_lease_check nullop
-#endif
 int	msdosfs_ioctl(void *);
 int	msdosfs_poll(void *);
 int	msdosfs_fsync(void *);
diff --git a/sys/msdosfs/msdosfs_vnops.c b/sys/msdosfs/msdosfs_vnops.c
index 14c457320d9..3930d00277e 100644
--- a/sys/msdosfs/msdosfs_vnops.c
+++ b/sys/msdosfs/msdosfs_vnops.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: msdosfs_vnops.c,v 1.58 2006/10/16 11:27:53 pedro Exp $	*/
+/*	$OpenBSD: msdosfs_vnops.c,v 1.59 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: msdosfs_vnops.c,v 1.63 1997/10/17 11:24:19 ws Exp $	*/
 
 /*-
@@ -1977,7 +1977,6 @@ struct vnodeopv_entry_desc msdosfs_vnodeop_entries[] = {
 	{ &vop_setattr_desc, msdosfs_setattr },		/* setattr */
 	{ &vop_read_desc, msdosfs_read },		/* read */
 	{ &vop_write_desc, msdosfs_write },		/* write */
-	{ &vop_lease_desc, msdosfs_lease_check },	/* lease */
 	{ &vop_ioctl_desc, msdosfs_ioctl },		/* ioctl */
 	{ &vop_poll_desc, msdosfs_poll },		/* poll */
 	{ &vop_fsync_desc, msdosfs_fsync },		/* fsync */
diff --git a/sys/nfs/nfs.h b/sys/nfs/nfs.h
index e5b8ed9de94..e8afe957dda 100644
--- a/sys/nfs/nfs.h
+++ b/sys/nfs/nfs.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: nfs.h,v 1.27 2006/09/20 21:56:21 thib Exp $	*/
+/*	$OpenBSD: nfs.h,v 1.28 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: nfs.h,v 1.10.4.1 1996/05/27 11:23:56 fvdl Exp $	*/
 
 /*
@@ -427,10 +427,6 @@ struct nfsrv_descript {
 };
 
 /* Bits for "nd_flag" */
-#define	ND_READ		LEASE_READ
-#define ND_WRITE	LEASE_WRITE
-#define ND_CHECK	0x04
-#define ND_LEASE	(ND_READ | ND_WRITE | ND_CHECK)
 #define ND_NFSV3	0x08
 #define ND_KERBNICK	0x20
 #define ND_KERBFULL	0x40
diff --git a/sys/nfs/nfs_vnops.c b/sys/nfs/nfs_vnops.c
index b85f0821420..d71bdbfe455 100644
--- a/sys/nfs/nfs_vnops.c
+++ b/sys/nfs/nfs_vnops.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: nfs_vnops.c,v 1.69 2006/12/29 13:04:37 pedro Exp $	*/
+/*	$OpenBSD: nfs_vnops.c,v 1.70 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: nfs_vnops.c,v 1.62.4.1 1996/07/08 20:26:52 jtc Exp $	*/
 
 /*
@@ -98,7 +98,6 @@ struct vnodeopv_entry_desc nfsv2_vnodeop_entries[] = {
 	{ &vop_setattr_desc, nfs_setattr },	/* setattr */
 	{ &vop_read_desc, nfs_read },		/* read */
 	{ &vop_write_desc, nfs_write },		/* write */
-	{ &vop_lease_desc, nfs_lease_check },	/* lease */
 	{ &vop_ioctl_desc, nfs_ioctl },		/* ioctl */
 	{ &vop_poll_desc, nfs_poll },		/* poll */
 	{ &vop_kqfilter_desc, nfs_kqfilter },	/* kqfilter */
diff --git a/sys/nfs/nfsnode.h b/sys/nfs/nfsnode.h
index ef09b6ff6a1..708218c9518 100644
--- a/sys/nfs/nfsnode.h
+++ b/sys/nfs/nfsnode.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: nfsnode.h,v 1.22 2004/08/03 17:11:48 marius Exp $	*/
+/*	$OpenBSD: nfsnode.h,v 1.23 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: nfsnode.h,v 1.16 1996/02/18 11:54:04 fvdl Exp $	*/
 
 /*
@@ -178,8 +178,6 @@ int	nfs_getattr(void *);
 int	nfs_setattr(void *);
 int	nfs_read(void *);
 int	nfs_write(void *);
-#define	nfs_lease_check ((int (*)(void *))nullop)
-#define nqnfs_vop_lease_check	lease_check
 int	nfsspec_read(void *);
 int	nfsspec_write(void *);
 int	nfsfifo_read(void *);
diff --git a/sys/sys/specdev.h b/sys/sys/specdev.h
index 8fc18c628b5..c95b18393d4 100644
--- a/sys/sys/specdev.h
+++ b/sys/sys/specdev.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: specdev.h,v 1.18 2006/06/02 20:25:09 pedro Exp $	*/
+/*	$OpenBSD: specdev.h,v 1.19 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: specdev.h,v 1.12 1996/02/13 13:13:01 mycroft Exp $	*/
 
 /*
@@ -102,7 +102,6 @@ int	spec_close(void *);
 #define	spec_setattr	spec_ebadf
 int	spec_read(void *);
 int	spec_write(void *);
-#define	spec_lease_check nullop
 int	spec_ioctl(void *);
 int	spec_poll(void *);
 int	spec_kqfilter(void *);
diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h
index 19b61ae5ce9..099fa665797 100644
--- a/sys/sys/vnode.h
+++ b/sys/sys/vnode.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vnode.h,v 1.72 2006/11/20 12:52:54 tom Exp $	*/
+/*	$OpenBSD: vnode.h,v 1.73 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: vnode.h,v 1.38 1996/02/29 20:59:05 cgd Exp $	*/
 
 /*
@@ -271,12 +271,6 @@ extern	time_t syncdelay;		/* time to delay syncing vnodes */
 extern	int rushjob;			/* # of slots syncer should run ASAP */
 extern	struct vattr va_null;		/* predefined null vattr structure */
 
-/*
- * Macro/function to check for client cache inconsistency w.r.t. leasing.
- */
-#define	LEASE_READ	0x1		/* Check lease for readers */
-#define	LEASE_WRITE	0x2		/* Check lease for modifiers */
-
 #endif /* _KERNEL */
 
 
diff --git a/sys/ufs/ext2fs/ext2fs_vnops.c b/sys/ufs/ext2fs/ext2fs_vnops.c
index a5fb2cdb455..6c3ba4e44a5 100644
--- a/sys/ufs/ext2fs/ext2fs_vnops.c
+++ b/sys/ufs/ext2fs/ext2fs_vnops.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ext2fs_vnops.c,v 1.44 2006/01/09 12:43:17 pedro Exp $	*/
+/*	$OpenBSD: ext2fs_vnops.c,v 1.45 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: ext2fs_vnops.c,v 1.1 1997/06/11 09:34:09 bouyer Exp $	*/
 
 /*
@@ -1371,7 +1371,6 @@ struct vnodeopv_entry_desc ext2fs_vnodeop_entries[] = {
 	{ &vop_setattr_desc, ext2fs_setattr },	/* setattr */
 	{ &vop_read_desc, ext2fs_read },		/* read */
 	{ &vop_write_desc, ext2fs_write },		/* write */
-	{ &vop_lease_desc, ufs_lease_check },	/* lease */
 	{ &vop_ioctl_desc, ufs_ioctl },			/* ioctl */
 	{ &vop_poll_desc, ufs_poll },		/* poll */
 	{ &vop_kqfilter_desc, vop_generic_kqfilter },	/* kqfilter */
diff --git a/sys/ufs/ffs/ffs_vnops.c b/sys/ufs/ffs/ffs_vnops.c
index 6d9035e88fa..c0c8f9ecd42 100644
--- a/sys/ufs/ffs/ffs_vnops.c
+++ b/sys/ufs/ffs/ffs_vnops.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ffs_vnops.c,v 1.40 2007/01/13 17:41:55 thib Exp $	*/
+/*	$OpenBSD: ffs_vnops.c,v 1.41 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: ffs_vnops.c,v 1.7 1996/05/11 18:27:24 mycroft Exp $	*/
 
 /*
@@ -76,7 +76,6 @@ struct vnodeopv_entry_desc ffs_vnodeop_entries[] = {
 	{ &vop_setattr_desc, ufs_setattr },		/* setattr */
 	{ &vop_read_desc, ffs_read },			/* read */
 	{ &vop_write_desc, ffs_write },			/* write */
-	{ &vop_lease_desc, ufs_lease_check },		/* lease */
 	{ &vop_ioctl_desc, ufs_ioctl },			/* ioctl */
 	{ &vop_poll_desc, ufs_poll },			/* poll */
 	{ &vop_kqfilter_desc, ufs_kqfilter },		/* kqfilter */
diff --git a/sys/ufs/ufs/ufs_extern.h b/sys/ufs/ufs/ufs_extern.h
index 997b9e978fc..6ffb6f788a5 100644
--- a/sys/ufs/ufs/ufs_extern.h
+++ b/sys/ufs/ufs/ufs_extern.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ufs_extern.h,v 1.26 2006/10/03 19:49:06 pedro Exp $	*/
+/*	$OpenBSD: ufs_extern.h,v 1.27 2007/01/16 17:52:18 thib Exp $	*/
 /*	$NetBSD: ufs_extern.h,v 1.5 1996/02/09 22:36:03 christos Exp $	*/
 
 /*-
@@ -63,12 +63,6 @@ int	 ufs_getattr(void *);
 int	 ufs_inactive(void *);
 int	 ufs_ioctl(void *);
 int	 ufs_islocked(void *);
-#ifdef NFSSERVER
-int	 lease_check(void *);
-#define	 ufs_lease_check lease_check
-#else
-#define	 ufs_lease_check ((int (*)(void *))nullop)
-#endif
 int	 ufs_link(void *);
 int	 ufs_lock(void *);
 int	 ufs_lookup(void *);
diff --git a/sys/xfs/xfs_vopdefs.h b/sys/xfs/xfs_vopdefs.h
index f6be67591cb..0082f332faf 100644
--- a/sys/xfs/xfs_vopdefs.h
+++ b/sys/xfs/xfs_vopdefs.h
@@ -20,8 +20,6 @@ NNPFS_VOP_DEF(setattr);
 NNPFS_VOP_DEF(read);
 #define HAVE_VOP_WRITE 1
 NNPFS_VOP_DEF(write);
-#define HAVE_VOP_LEASE 1
-NNPFS_VOP_DEF(lease);
 #define HAVE_VOP_IOCTL 1
 NNPFS_VOP_DEF(ioctl);
 #define HAVE_VOP_POLL 1