Module Name:    src
Committed By:   pooka
Date:           Tue Mar  2 17:20:03 UTC 2010

Modified Files:
        src/sys/ufs/mfs: mfs_extern.h mfs_vfsops.c
Added Files:
        src/sys/ufs/mfs: mfs_miniroot.c

Log Message:
Make mfs_initminiroot() mandatory.  Allows to remove #ifdef MFS.


To generate a diff of this commit:
cvs rdiff -u -r1.30 -r1.31 src/sys/ufs/mfs/mfs_extern.h
cvs rdiff -u -r0 -r1.1 src/sys/ufs/mfs/mfs_miniroot.c
cvs rdiff -u -r1.101 -r1.102 src/sys/ufs/mfs/mfs_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/ufs/mfs/mfs_extern.h
diff -u src/sys/ufs/mfs/mfs_extern.h:1.30 src/sys/ufs/mfs/mfs_extern.h:1.31
--- src/sys/ufs/mfs/mfs_extern.h:1.30	Sat Jun 28 01:34:05 2008
+++ src/sys/ufs/mfs/mfs_extern.h	Tue Mar  2 17:20:02 2010
@@ -1,4 +1,4 @@
-/*	$NetBSD: mfs_extern.h,v 1.30 2008/06/28 01:34:05 rumble Exp $	*/
+/*	$NetBSD: mfs_extern.h,v 1.31 2010/03/02 17:20:02 pooka Exp $	*/
 
 /*-
  * Copyright (c) 1991, 1993
@@ -69,6 +69,8 @@
 #include <sys/mutex.h>
 
 extern kmutex_t	mfs_lock;
+extern void *mfs_rootbase;
+extern u_long mfs_rootsize;
 
 #endif
 

Index: src/sys/ufs/mfs/mfs_vfsops.c
diff -u src/sys/ufs/mfs/mfs_vfsops.c:1.101 src/sys/ufs/mfs/mfs_vfsops.c:1.102
--- src/sys/ufs/mfs/mfs_vfsops.c:1.101	Tue Jan 13 13:35:54 2009
+++ src/sys/ufs/mfs/mfs_vfsops.c	Tue Mar  2 17:20:02 2010
@@ -1,4 +1,4 @@
-/*	$NetBSD: mfs_vfsops.c,v 1.101 2009/01/13 13:35:54 yamt Exp $	*/
+/*	$NetBSD: mfs_vfsops.c,v 1.102 2010/03/02 17:20:02 pooka Exp $	*/
 
 /*
  * Copyright (c) 1989, 1990, 1993, 1994
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mfs_vfsops.c,v 1.101 2009/01/13 13:35:54 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mfs_vfsops.c,v 1.102 2010/03/02 17:20:02 pooka Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_compat_netbsd.h"
@@ -68,11 +68,10 @@
 
 MODULE(MODULE_CLASS_VFS, mfs, "ffs");
 
-void *	mfs_rootbase;	/* address of mini-root in kernel virtual memory */
-u_long	mfs_rootsize;	/* size of mini-root in bytes */
 kmutex_t mfs_lock;	/* global lock */
 
-static int mfs_minor;	/* used for building internal dev_t */
+/* used for building internal dev_t, minor == 0 reserved for miniroot */
+static int mfs_minor = 1;
 static int mfs_initcnt;
 
 extern int (**mfs_vnodeop_p)(void *);
@@ -241,27 +240,6 @@
 }
 
 /*
- * This is called early in boot to set the base address and size
- * of the mini-root.
- */
-int
-mfs_initminiroot(void *base)
-{
-	struct fs *fs = (struct fs *)((char *)base + SBLOCK_UFS1);
-
-	/* check for valid super block */
-	if (fs->fs_magic != FS_UFS1_MAGIC || fs->fs_bsize > MAXBSIZE ||
-	    fs->fs_bsize < sizeof(struct fs))
-		return (0);
-	rootfstype = MOUNT_MFS;
-	mfs_rootbase = base;
-	mfs_rootsize = fs->fs_fsize * fs->fs_size;
-	rootdev = makedev(255, mfs_minor);
-	mfs_minor++;
-	return (mfs_rootsize);
-}
-
-/*
  * VFS Operations.
  *
  * mount system call

Added files:

Index: src/sys/ufs/mfs/mfs_miniroot.c
diff -u /dev/null src/sys/ufs/mfs/mfs_miniroot.c:1.1
--- /dev/null	Tue Mar  2 17:20:03 2010
+++ src/sys/ufs/mfs/mfs_miniroot.c	Tue Mar  2 17:20:02 2010
@@ -0,0 +1,68 @@
+/*	$NetBSD: mfs_miniroot.c,v 1.1 2010/03/02 17:20:02 pooka Exp $	*/
+
+/*
+ * Copyright (c) 1989, 1990, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mfs_vfsops.c	8.11 (Berkeley) 6/19/95
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: mfs_miniroot.c,v 1.1 2010/03/02 17:20:02 pooka Exp $");
+
+#include <sys/param.h>
+
+#include <ufs/mfs/mfs_extern.h>
+#include <ufs/ffs/fs.h>
+
+void *	mfs_rootbase;	/* address of mini-root in kernel virtual memory */
+u_long	mfs_rootsize;	/* size of mini-root in bytes */
+
+/*
+ * This is called early in boot to set the base address and size
+ * of the mini-root.
+ */
+int
+mfs_initminiroot(void *base)
+{
+	struct fs *fs = (struct fs *)((char *)base + SBLOCK_UFS1);
+	static bool inited = false;
+
+	if (inited)
+		panic("mfs_initminiroot() called more than once");
+	inited = true;
+
+	/* check for valid super block */
+	if (fs->fs_magic != FS_UFS1_MAGIC || fs->fs_bsize > MAXBSIZE ||
+	    fs->fs_bsize < sizeof(struct fs))
+		return (0);
+	rootfstype = MOUNT_MFS;
+	mfs_rootbase = base;
+	mfs_rootsize = fs->fs_fsize * fs->fs_size;
+	rootdev = makedev(255, 0);
+	return (mfs_rootsize);
+}

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