Module Name: src
Committed By: hannken
Date: Sat Apr 16 07:58:21 UTC 2022
Modified Files:
src/sys/fs/msdosfs: msdosfs_vfsops.c
Log Message:
Lock vnode for vinvalbuf().
To generate a diff of this commit:
cvs rdiff -u -r1.137 -r1.138 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:1.137 src/sys/fs/msdosfs/msdosfs_vfsops.c:1.138
--- src/sys/fs/msdosfs/msdosfs_vfsops.c:1.137 Sat Oct 23 16:58:17 2021
+++ src/sys/fs/msdosfs/msdosfs_vfsops.c Sat Apr 16 07:58:21 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: msdosfs_vfsops.c,v 1.137 2021/10/23 16:58:17 thorpej Exp $ */
+/* $NetBSD: msdosfs_vfsops.c,v 1.138 2022/04/16 07:58:21 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 1.137 2021/10/23 16:58:17 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.138 2022/04/16 07:58:21 hannken Exp $");
#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
@@ -472,7 +472,10 @@ msdosfs_mountfs(struct vnode *devvp, str
u_long fatbytes, fatblocksecs;
/* Flush out any old buffers remaining from a previous use. */
- if ((error = vinvalbuf(devvp, V_SAVE, l->l_cred, l, 0, 0)) != 0)
+ vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);
+ error = vinvalbuf(devvp, V_SAVE, l->l_cred, l, 0, 0);
+ VOP_UNLOCK(devvp);
+ if (error)
return (error);
ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
