Module Name: src
Committed By: pooka
Date: Thu Nov 26 20:52:20 UTC 2009
Modified Files:
src/sys/kern: vfs_subr.c
src/sys/sys: device.h
Log Message:
Add DV_VIRTUAL for non-backed virtual devices and allow to mount
root from a DV_VIRTUAL device.
To generate a diff of this commit:
cvs rdiff -u -r1.389 -r1.390 src/sys/kern/vfs_subr.c
cvs rdiff -u -r1.125 -r1.126 src/sys/sys/device.h
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_subr.c
diff -u src/sys/kern/vfs_subr.c:1.389 src/sys/kern/vfs_subr.c:1.390
--- src/sys/kern/vfs_subr.c:1.389 Thu Nov 19 03:01:05 2009
+++ src/sys/kern/vfs_subr.c Thu Nov 26 20:52:19 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: vfs_subr.c,v 1.389 2009/11/19 03:01:05 enami Exp $ */
+/* $NetBSD: vfs_subr.c,v 1.390 2009/11/26 20:52:19 pooka Exp $ */
/*-
* Copyright (c) 1997, 1998, 2004, 2005, 2007, 2008 The NetBSD Foundation, Inc.
@@ -91,7 +91,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vfs_subr.c,v 1.389 2009/11/19 03:01:05 enami Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vfs_subr.c,v 1.390 2009/11/26 20:52:19 pooka Exp $");
#include "opt_ddb.h"
#include "opt_compat_netbsd.h"
@@ -2505,6 +2505,9 @@
}
break;
+ case DV_VIRTUAL:
+ break;
+
default:
printf("%s: inappropriate for root file system\n",
device_xname(root_device));
Index: src/sys/sys/device.h
diff -u src/sys/sys/device.h:1.125 src/sys/sys/device.h:1.126
--- src/sys/sys/device.h:1.125 Thu Nov 12 19:10:30 2009
+++ src/sys/sys/device.h Thu Nov 26 20:52:19 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: device.h,v 1.125 2009/11/12 19:10:30 dyoung Exp $ */
+/* $NetBSD: device.h,v 1.126 2009/11/26 20:52:19 pooka Exp $ */
/*
* Copyright (c) 1996, 2000 Christopher G. Demetriou
@@ -102,7 +102,8 @@
DV_TTY, /* serial line interface (?) */
DV_AUDIODEV, /* audio device */
DV_DISPLAYDEV, /* display device */
- DV_BUS /* bus device */
+ DV_BUS, /* bus device */
+ DV_VIRTUAL, /* unbacked virtual device */
} devclass_t;
/*
