[src/trunk]: src/sys/kern Fix adosfs's locking panic

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

details:   https://anonhg.NetBSD.org/src/rev/bee56248fe22
branches:  trunk
changeset: 472282:bee56248fe22
user:      is <is%NetBSD.org@localhost>
date:      Mon Apr 26 20:33:18 1999 +0000

description:
Fix adosfs's locking panic

diffstat:

 sys/kern/vfs_getcwd.c |  8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diffs (24 lines):

diff -r 687a301b0ab2 -r bee56248fe22 sys/kern/vfs_getcwd.c
--- a/sys/kern/vfs_getcwd.c     Mon Apr 26 20:27:29 1999 +0000
+++ b/sys/kern/vfs_getcwd.c     Mon Apr 26 20:33:18 1999 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vfs_getcwd.c,v 1.4 1999/04/05 03:33:31 sommerfe Exp $ */
+/* $NetBSD: vfs_getcwd.c,v 1.5 1999/04/26 20:33:18 is Exp $ */
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -163,8 +163,14 @@
 
                eofflag = 0;
 
+               /* XXX un-break adosfs */
+               VOP_UNLOCK(cvp, 0);
+
                error = VOP_READDIR(pvp, &uio, p->p_ucred, &eofflag, 0, 0);
 
+               /* XXX not handling lock failures here.. */
+               (void) vn_lock(cvp, LK_EXCLUSIVE | LK_RETRY);
+               
                off = uio.uio_offset;
 
                /*