Module Name:    src
Committed By:   tsutsui
Date:           Sat Sep 12 01:43:52 UTC 2009

Modified Files:
        src/sys/ufs/ext2fs: ext2fs_vfsops.c

Log Message:
Pull a fix for mount function from ffs_vfsops.c rev1.186:
> Change ffs_mount, in MNT_UPDATE case, to check dev_t's for equality
> instead of just vnode pointers.  Fixes erroneous "does not match mounted
> device" errors from mount(8) in the presence of MFS /dev, init.root, &c.


To generate a diff of this commit:
cvs rdiff -u -r1.145 -r1.146 src/sys/ufs/ext2fs/ext2fs_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/ext2fs/ext2fs_vfsops.c
diff -u src/sys/ufs/ext2fs/ext2fs_vfsops.c:1.145 src/sys/ufs/ext2fs/ext2fs_vfsops.c:1.146
--- src/sys/ufs/ext2fs/ext2fs_vfsops.c:1.145	Fri Sep 11 15:59:07 2009
+++ src/sys/ufs/ext2fs/ext2fs_vfsops.c	Sat Sep 12 01:43:52 2009
@@ -1,4 +1,4 @@
-/*	$NetBSD: ext2fs_vfsops.c,v 1.145 2009/09/11 15:59:07 tsutsui Exp $	*/
+/*	$NetBSD: ext2fs_vfsops.c,v 1.146 2009/09/12 01:43:52 tsutsui Exp $	*/
 
 /*
  * Copyright (c) 1989, 1991, 1993, 1994
@@ -65,7 +65,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ext2fs_vfsops.c,v 1.145 2009/09/11 15:59:07 tsutsui Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ext2fs_vfsops.c,v 1.146 2009/09/12 01:43:52 tsutsui Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_compat_netbsd.h"
@@ -362,8 +362,15 @@
 			 * used for our initial mount
 			 */
 			ump = VFSTOUFS(mp);
-			if (devvp != ump->um_devvp)
-				error = EINVAL;
+			if (devvp != ump->um_devvp) {
+				if (devvp->v_rdev != ump->um_devvp->v_rdev)
+					error = EINVAL;
+				else {
+					vrele(devvp);
+					devvp = ump->um_devvp;
+					vref(devvp);
+				}
+			}
 		}
 	} else {
 		if (!update) {

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