Module Name: src
Committed By: hannken
Date: Fri Feb 17 08:27:20 UTC 2017
Modified Files:
src/sys/fs/msdosfs: msdosfs_vfsops.c
Log Message:
Take vnode lock for VOP_FSYNC().
To generate a diff of this commit:
cvs rdiff -u -r1.119 -r1.120 src/sys/fs/msdosfs/msdosfs_vfsops.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/fs/msdosfs/msdosfs_vfsops.c
diff -u src/sys/fs/msdosfs/msdosfs_vfsops.c:1.119 src/sys/fs/msdosfs/msdosfs_vfsops.c:1.120
--- src/sys/fs/msdosfs/msdosfs_vfsops.c:1.119 Wed Dec 14 15:48:54 2016
+++ src/sys/fs/msdosfs/msdosfs_vfsops.c Fri Feb 17 08:27:20 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: msdosfs_vfsops.c,v 1.119 2016/12/14 15:48:54 hannken Exp $ */
+/* $NetBSD: msdosfs_vfsops.c,v 1.120 2017/02/17 08:27:20 hannken Exp $ */
/*-
* Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -48,7 +48,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.119 2016/12/14 15:48:54 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.120 2017/02/17 08:27:20 hannken Exp $");
#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
@@ -1032,9 +1032,11 @@ msdosfs_sync(struct mount *mp, int waitf
/*
* Force stale file system control information to be flushed.
*/
+ vn_lock(pmp->pm_devvp, LK_EXCLUSIVE | LK_RETRY);
if ((error = VOP_FSYNC(pmp->pm_devvp, cred,
waitfor == MNT_WAIT ? FSYNC_WAIT : 0, 0, 0)) != 0)
allerror = error;
+ VOP_UNLOCK(pmp->pm_devvp);
fstrans_done(mp);
return (allerror);
}
