Module Name: src
Committed By: hannken
Date: Wed Mar 1 10:45:24 UTC 2017
Modified Files:
src/sys/kern: vfs_syscalls.c
Log Message:
Suspend the mounted file system while updating.
To generate a diff of this commit:
cvs rdiff -u -r1.507 -r1.508 src/sys/kern/vfs_syscalls.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/kern/vfs_syscalls.c
diff -u src/sys/kern/vfs_syscalls.c:1.507 src/sys/kern/vfs_syscalls.c:1.508
--- src/sys/kern/vfs_syscalls.c:1.507 Wed Mar 1 10:44:47 2017
+++ src/sys/kern/vfs_syscalls.c Wed Mar 1 10:45:24 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: vfs_syscalls.c,v 1.507 2017/03/01 10:44:47 hannken Exp $ */
+/* $NetBSD: vfs_syscalls.c,v 1.508 2017/03/01 10:45:24 hannken Exp $ */
/*-
* Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vfs_syscalls.c,v 1.507 2017/03/01 10:44:47 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vfs_syscalls.c,v 1.508 2017/03/01 10:45:24 hannken Exp $");
#ifdef _KERNEL_OPT
#include "opt_fileassoc.h"
@@ -287,6 +287,10 @@ mount_update(struct lwp *l, struct vnode
goto out;
}
+ error = vfs_suspend(mp, 0);
+ if (error)
+ goto out;
+
mutex_enter(&mp->mnt_updating);
mp->mnt_flag &= ~MNT_OP_FLAGS;
@@ -339,6 +343,7 @@ mount_update(struct lwp *l, struct vnode
vfs_syncer_remove_from_worklist(mp);
}
mutex_exit(&mp->mnt_updating);
+ vfs_resume(mp);
vfs_unbusy(mp, false, NULL);
if ((error == 0) && !(saved_flags & MNT_EXTATTR) &&
