[src/trunk]: src/sys/ufs/ffs add assertion to ensure ffs_cgupdate() is always...

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

details:   https://anonhg.NetBSD.org/src/rev/20c9ceabfebe
branches:  trunk
changeset: 818641:20c9ceabfebe
user:      jdolecek <jdolecek%NetBSD.org@localhost>
date:      Thu Oct 20 19:31:32 2016 +0000

description:
add assertion to ensure ffs_cgupdate() is always called from
within a WAPBL transaction (if logging is on)

diffstat:

 sys/ufs/ffs/ffs_vfsops.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 7c1ccbf902aa -r 20c9ceabfebe sys/ufs/ffs/ffs_vfsops.c
--- a/sys/ufs/ffs/ffs_vfsops.c  Thu Oct 20 19:22:35 2016 +0000
+++ b/sys/ufs/ffs/ffs_vfsops.c  Thu Oct 20 19:31:32 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ffs_vfsops.c,v 1.340 2016/07/28 08:24:58 martin Exp $  */
+/*     $NetBSD: ffs_vfsops.c,v 1.341 2016/10/20 19:31:32 jdolecek Exp $        */
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ffs_vfsops.c,v 1.340 2016/07/28 08:24:58 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ffs_vfsops.c,v 1.341 2016/10/20 19:31:32 jdolecek Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_ffs.h"
@@ -2351,6 +2351,8 @@
        void *space;
        int i, size, error = 0, allerror = 0;
 
+       UFS_WAPBL_JLOCK_ASSERT(mp);
+
        allerror = ffs_sbupdate(mp, waitfor);
        blks = howmany(fs->fs_cssize, fs->fs_fsize);
        space = fs->fs_csp;