[src/trunk]: src/sys/kern As VOP_ADVLOCK() may block indefinitely we cannot t...

[hannken <hannken%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/692a74553866
branches:  trunk
changeset: 825381:692a74553866
user:      hannken <hannken%NetBSD.org@localhost>
date:      Wed Jul 12 09:31:07 2017 +0000

description:
As VOP_ADVLOCK() may block indefinitely we cannot take fstrans here.

Fixes PR kern/52364: System hangs not much before showing the login prompt

diffstat:

 sys/kern/vnode_if.src |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (17 lines):

diff -r ffac2db97ad6 -r 692a74553866 sys/kern/vnode_if.src
--- a/sys/kern/vnode_if.src     Wed Jul 12 09:30:16 2017 +0000
+++ b/sys/kern/vnode_if.src     Wed Jul 12 09:31:07 2017 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: vnode_if.src,v 1.76 2017/06/04 07:59:17 hannken Exp $
+#      $NetBSD: vnode_if.src,v 1.77 2017/07/12 09:31:07 hannken Exp $
 #
 # Copyright (c) 1992, 1993
 #      The Regents of the University of California.  All rights reserved.
@@ -468,6 +468,7 @@
 #% advlock    vp      U U U
 #
 vop_advlock {
+       FSTRANS=NO
        IN LOCKED=NO struct vnode *vp;
        IN void *id;
        IN int op;