[src/trunk]: src/sys/rump/librump/rumpvfs Suspend file system for vgone().

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

details:   https://anonhg.NetBSD.org/src/rev/750cdef085be
branches:  trunk
changeset: 824225:750cdef085be
user:      hannken <hannken%NetBSD.org@localhost>
date:      Sun May 28 16:37:16 2017 +0000

description:
Suspend file system for vgone().

diffstat:

 sys/rump/librump/rumpvfs/rumpfs.c |  11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diffs (40 lines):

diff -r 2c7abfb58b8e -r 750cdef085be sys/rump/librump/rumpvfs/rumpfs.c
--- a/sys/rump/librump/rumpvfs/rumpfs.c Sun May 28 16:36:37 2017 +0000
+++ b/sys/rump/librump/rumpvfs/rumpfs.c Sun May 28 16:37:16 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rumpfs.c,v 1.149 2017/05/26 14:21:00 riastradh Exp $   */
+/*     $NetBSD: rumpfs.c,v 1.150 2017/05/28 16:37:16 hannken Exp $     */
 
 /*
  * Copyright (c) 2009, 2010, 2011 Antti Kantee.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rumpfs.c,v 1.149 2017/05/26 14:21:00 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rumpfs.c,v 1.150 2017/05/28 16:37:16 hannken Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -46,6 +46,7 @@
 #include <sys/stat.h>
 #include <sys/syscallargs.h>
 #include <sys/vnode.h>
+#include <sys/fstrans.h>
 #include <sys/unistd.h>
 
 #include <miscfs/fifofs/fifo.h>
@@ -491,8 +492,12 @@
                        mp = NULL;
                }
                mutex_exit(&reclock);
-               if (mp && vcache_get(mp, &rn, sizeof(rn), &vp) == 0)
+               if (mp && vcache_get(mp, &rn, sizeof(rn), &vp) == 0) {
+                       rv = vfs_suspend(mp, 0);
+                       KASSERT(rv == 0);
                        vgone(vp);
+                       vfs_resume(mp);
+               }
        }
 
        if (et->et_rn->rn_hostpath != NULL)