cpu_coredump() also needs to invoke vn_rdwr() without IO_NODELOCKED; only

affects a.out binaries' core dumps.

15 files changed, 43 insertions, 56 deletions

diff --git a/sys/arch/alpha/alpha/vm_machdep.c b/sys/arch/alpha/alpha/vm_machdep.c
index 9508776e257..1b700e07999 100644
--- a/sys/arch/alpha/alpha/vm_machdep.c
+++ b/sys/arch/alpha/alpha/vm_machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: vm_machdep.c,v 1.38 2012/11/01 21:01:43 miod Exp $ */
+/* $OpenBSD: vm_machdep.c,v 1.39 2013/01/16 19:04:43 miod Exp $ */
 /* $NetBSD: vm_machdep.c,v 1.55 2000/03/29 03:49:48 simonb Exp $ */
 
 /*
@@ -79,14 +79,13 @@ cpu_coredump(p, vp, cred, chdr)
 	cseg.c_size = chdr->c_cpusize;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cpustate, sizeof(cpustate),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 
 	if (!error)
 		chdr->c_nseg++;
diff --git a/sys/arch/amd64/amd64/vm_machdep.c b/sys/arch/amd64/amd64/vm_machdep.c
index 06494c6439e..a7cbe31fa0d 100644
--- a/sys/arch/amd64/amd64/vm_machdep.c
+++ b/sys/arch/amd64/amd64/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.26 2012/04/14 14:26:41 guenther Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.27 2013/01/16 19:04:43 miod Exp $	*/
 /*	$NetBSD: vm_machdep.c,v 1.1 2003/04/26 18:39:33 fvdl Exp $	*/
 
 /*-
@@ -190,14 +190,13 @@ cpu_coredump(struct proc *p, struct vnode *vp, struct ucred *cred,
 	cseg.c_size = chdr->c_cpusize;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred,
-	    NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&md_core, sizeof(md_core),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
diff --git a/sys/arch/arm/arm/vm_machdep.c b/sys/arch/arm/arm/vm_machdep.c
index 02316d5ea77..3d5fd35cc8b 100644
--- a/sys/arch/arm/arm/vm_machdep.c
+++ b/sys/arch/arm/arm/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.12 2011/11/08 17:07:20 deraadt Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.13 2013/01/16 19:04:43 miod Exp $	*/
 /*	$NetBSD: vm_machdep.c,v 1.31 2004/01/04 11:33:29 jdolecek Exp $	*/
 
 /*
@@ -210,14 +210,13 @@ cpu_coredump(struct proc *p, struct vnode *vp, struct ucred *cred,
 	cseg.c_size = chdr->c_cpusize;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cpustate, sizeof(cpustate),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
diff --git a/sys/arch/hp300/hp300/vm_machdep.c b/sys/arch/hp300/hp300/vm_machdep.c
index eba6f968d8e..d5eec2d9a95 100644
--- a/sys/arch/hp300/hp300/vm_machdep.c
+++ b/sys/arch/hp300/hp300/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.45 2007/10/13 07:17:59 miod Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.46 2013/01/16 19:04:43 miod Exp $	*/
 /*	$NetBSD: vm_machdep.c,v 1.60 2001/07/06 05:53:35 chs Exp $	*/
 
 /*
@@ -179,14 +179,13 @@ cpu_coredump(p, vp, cred, chdr)
 	cseg.c_size = chdr->c_cpusize;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred,
-	    NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&md_core, sizeof(md_core),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
diff --git a/sys/arch/hppa/hppa/vm_machdep.c b/sys/arch/hppa/hppa/vm_machdep.c
index 9642cf0da5b..43ebecedc8b 100644
--- a/sys/arch/hppa/hppa/vm_machdep.c
+++ b/sys/arch/hppa/hppa/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.76 2012/06/21 00:56:59 guenther Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.77 2013/01/16 19:04:43 miod Exp $	*/
 
 /*
  * Copyright (c) 1999-2004 Michael Shalayeff
@@ -75,7 +75,7 @@ cpu_coredump(struct proc *p, struct vnode *vp, struct ucred *cred,
 
 #define	write(vp, addr, n) \
 	vn_rdwr(UIO_WRITE, (vp), (caddr_t)(addr), (n), off, \
-	    UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred, NULL, p)
+	    UIO_SYSSPACE, IO_UNIT, cred, NULL, p)
 
 	off = core->c_hdrsize;
 	if ((error = write(vp, &cseg, core->c_seghdrsize)))
diff --git a/sys/arch/hppa64/hppa64/vm_machdep.c b/sys/arch/hppa64/hppa64/vm_machdep.c
index 2facb90e8c3..3d16da78663 100644
--- a/sys/arch/hppa64/hppa64/vm_machdep.c
+++ b/sys/arch/hppa64/hppa64/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.18 2012/06/21 00:56:59 guenther Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.19 2013/01/16 19:04:43 miod Exp $	*/
 
 /*
  * Copyright (c) 2005 Michael Shalayeff
@@ -65,7 +65,7 @@ cpu_coredump(struct proc *p, struct vnode *vp, struct ucred *cred,
 
 #define	write(vp, addr, n) \
 	vn_rdwr(UIO_WRITE, (vp), (caddr_t)(addr), (n), off, \
-	    UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred, NULL, p)
+	    UIO_SYSSPACE, IO_UNIT, cred, NULL, p)
 
 	off = core->c_hdrsize;
 	if ((error = write(vp, &cseg, core->c_seghdrsize)))
diff --git a/sys/arch/i386/i386/vm_machdep.c b/sys/arch/i386/i386/vm_machdep.c
index 94449cd660e..faec7aafc55 100644
--- a/sys/arch/i386/i386/vm_machdep.c
+++ b/sys/arch/i386/i386/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.59 2012/07/28 19:48:54 guenther Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.60 2013/01/16 19:04:43 miod Exp $	*/
 /*	$NetBSD: vm_machdep.c,v 1.61 1996/05/03 19:42:35 christos Exp $	*/
 
 /*-
@@ -174,14 +174,13 @@ cpu_coredump(struct proc *p, struct vnode *vp, struct ucred *cred,
 	cseg.c_size = chdr->c_cpusize;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred,
-	    NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&md_core, sizeof(md_core),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
diff --git a/sys/arch/m88k/m88k/vm_machdep.c b/sys/arch/m88k/m88k/vm_machdep.c
index a9066851da4..38d7a078653 100644
--- a/sys/arch/m88k/m88k/vm_machdep.c
+++ b/sys/arch/m88k/m88k/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.21 2010/06/22 17:43:59 miod Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.22 2013/01/16 19:04:43 miod Exp $	*/
 
 /*
  * Copyright (c) 1998 Steve Murphree, Jr.
@@ -160,14 +160,13 @@ cpu_coredump(p, vp, cred, chdr)
 	cseg.c_size = chdr->c_cpusize;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred,
-	    NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&reg, sizeof(reg),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
diff --git a/sys/arch/mips64/mips64/vm_machdep.c b/sys/arch/mips64/mips64/vm_machdep.c
index 3ef50ab20e2..de3c0376cc7 100644
--- a/sys/arch/mips64/mips64/vm_machdep.c
+++ b/sys/arch/mips64/mips64/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.27 2012/10/03 11:18:23 miod Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.28 2013/01/16 19:04:43 miod Exp $	*/
 /*
  * Copyright (c) 1988 University of Utah.
  * Copyright (c) 1992, 1993
@@ -194,7 +194,7 @@ cpu_coredump(p, vp, cred, chdr)
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
 	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
@@ -202,8 +202,7 @@ cpu_coredump(p, vp, cred, chdr)
 			(caddr_t)(&(p -> p_addr -> u_pcb.pcb_regs)),
 			(off_t)chdr -> c_cpusize,
 			(off_t)(chdr->c_hdrsize + chdr->c_seghdrsize),
-			UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT,
-			cred, NULL, p);
+			UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 
 	if (!error)
 		chdr->c_nseg++;
diff --git a/sys/arch/mvme68k/mvme68k/vm_machdep.c b/sys/arch/mvme68k/mvme68k/vm_machdep.c
index ebfa1402ba6..465a3f5be08 100644
--- a/sys/arch/mvme68k/mvme68k/vm_machdep.c
+++ b/sys/arch/mvme68k/mvme68k/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.48 2007/11/02 19:18:54 martin Exp $ */
+/*	$OpenBSD: vm_machdep.c,v 1.49 2013/01/16 19:04:43 miod Exp $ */
 
 /*
  * Copyright (c) 1988 University of Utah.
@@ -169,14 +169,13 @@ cpu_coredump(p, vp, cred, chdr)
 	cseg.c_size = chdr->c_cpusize;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred,
-	    NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&md_core, sizeof(md_core),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
diff --git a/sys/arch/powerpc/powerpc/vm_machdep.c b/sys/arch/powerpc/powerpc/vm_machdep.c
index 89755b7c774..e7cfa6db6ff 100644
--- a/sys/arch/powerpc/powerpc/vm_machdep.c
+++ b/sys/arch/powerpc/powerpc/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.45 2007/10/10 15:53:52 art Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.46 2013/01/16 19:04:43 miod Exp $	*/
 /*	$NetBSD: vm_machdep.c,v 1.1 1996/09/30 16:34:57 ws Exp $	*/
 
 /*
@@ -181,14 +181,13 @@ cpu_coredump(struct proc *p, struct vnode *vp, struct ucred *cred,
 	cseg.c_size = chdr->c_cpusize;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT,
-	    cred, NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&md_core, sizeof md_core,
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
diff --git a/sys/arch/sh/sh/vm_machdep.c b/sys/arch/sh/sh/vm_machdep.c
index 52c80f28e1a..163d312e346 100644
--- a/sys/arch/sh/sh/vm_machdep.c
+++ b/sys/arch/sh/sh/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.10 2008/07/14 14:00:00 miod Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.11 2013/01/16 19:04:43 miod Exp $	*/
 /*	$NetBSD: vm_machdep.c,v 1.53 2006/08/31 16:49:21 matt Exp $	*/
 
 /*
@@ -288,14 +288,13 @@ cpu_coredump(struct proc *p, struct vnode *vp, struct ucred *cred,
 	cseg.c_size = chdr->c_cpusize;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_NODELOCKED | IO_UNIT, cred,
-	    NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&md_core, sizeof(md_core),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED | IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
diff --git a/sys/arch/sparc/sparc/vm_machdep.c b/sys/arch/sparc/sparc/vm_machdep.c
index 8f28e16bd3f..410e829610c 100644
--- a/sys/arch/sparc/sparc/vm_machdep.c
+++ b/sys/arch/sparc/sparc/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.55 2012/06/21 00:56:59 guenther Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.56 2013/01/16 19:04:43 miod Exp $	*/
 /*	$NetBSD: vm_machdep.c,v 1.30 1997/03/10 23:55:40 pk Exp $ */
 
 /*
@@ -508,14 +508,13 @@ cpu_coredump(p, vp, cred, chdr)
 	cseg.c_addr = 0;
 	cseg.c_size = chdr->c_cpusize;
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&md_core, sizeof(md_core),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (!error)
 		chdr->c_nseg++;
 
diff --git a/sys/arch/sparc64/sparc64/vm_machdep.c b/sys/arch/sparc64/sparc64/vm_machdep.c
index c3a454f3d30..f768148dda2 100644
--- a/sys/arch/sparc64/sparc64/vm_machdep.c
+++ b/sys/arch/sparc64/sparc64/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.28 2012/06/21 00:56:59 guenther Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.29 2013/01/16 19:04:43 miod Exp $	*/
 /*	$NetBSD: vm_machdep.c,v 1.38 2001/06/30 00:02:20 eeh Exp $ */
 
 /*
@@ -407,14 +407,13 @@ cpu_coredump(p, vp, cred, chdr)
 	cseg.c_addr = 0;
 	cseg.c_size = chdr->c_cpusize;
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&md_core, sizeof(md_core),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 	if (!error)
 		chdr->c_nseg++;
 
diff --git a/sys/arch/vax/vax/vm_machdep.c b/sys/arch/vax/vax/vm_machdep.c
index 03a6d9e6522..f24f9d83876 100644
--- a/sys/arch/vax/vax/vm_machdep.c
+++ b/sys/arch/vax/vax/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.38 2008/08/18 23:19:29 miod Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.39 2013/01/16 19:04:43 miod Exp $	*/
 /*	$NetBSD: vm_machdep.c,v 1.67 2000/06/29 07:14:34 mrg Exp $	     */
 
 /*
@@ -209,14 +209,13 @@ cpu_coredump(p, vp, cred, chdr)
 	cseg.c_size = chdr->c_cpusize;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize,
-	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_UNIT, cred, NULL, p);
 	if (error)
 		return error;
 
 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&state, sizeof(state),
 	    (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE,
-	    IO_NODELOCKED|IO_UNIT, cred, NULL, p);
+	    IO_UNIT, cred, NULL, p);
 
 	if (!error)
 		chdr->c_nseg++;