add file system initialization routine; panic if device alias found

SCCS-vsn: sys/ufs/mfs/mfs_vfsops.c 7.6

diff --git a/usr/src/sys/ufs/mfs/mfs_vfsops.c b/usr/src/sys/ufs/mfs/mfs_vfsops.c
index 437f204..9510b78 100644 (file)
--- a/usr/src/sys/ufs/mfs/mfs_vfsops.c
+++ b/usr/src/sys/ufs/mfs/mfs_vfsops.c
@@ -14,7 +14,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *

- *     @(#)mfs_vfsops.c        7.5 (Berkeley) %G%
+ *     @(#)mfs_vfsops.c        7.6 (Berkeley) %G%

  */
 
 #include "param.h"
  */
 
 #include "param.h"


@@ -42,6 +42,7 @@ int ufs_statfs();
 int ufs_sync();
 int ufs_fhtovp();
 int ufs_vptofh();
 int ufs_sync();
 int ufs_fhtovp();
 int ufs_vptofh();

+int mfs_init();

 
 struct vfsops mfs_vfsops = {
        mfs_mount,
 
 struct vfsops mfs_vfsops = {
        mfs_mount,


@@ -52,6 +53,7 @@ struct vfsops mfs_vfsops = {
        ufs_sync,
        ufs_fhtovp,
        ufs_vptofh,
        ufs_sync,
        ufs_fhtovp,
        ufs_vptofh,

+       mfs_init,

 };
 
 /*
 };
 
 /*


@@ -89,6 +91,8 @@ mfs_mount(mp, path, data, ndp)
                return (error);
        devvp->v_type = VBLK;
        devvp->v_rdev = makedev(255, mfs_minor++);
                return (error);
        devvp->v_type = VBLK;
        devvp->v_rdev = makedev(255, mfs_minor++);

+       if (checkalias(devvp, (struct mount *)0) != NULL)
+               panic("mfs_mount: dup dev");

        mfsp = VTOMFS(devvp);
        mfsp->mfs_baseoff = args.base;
        mfsp->mfs_size = args.size;
        mfsp = VTOMFS(devvp);
        mfsp->mfs_baseoff = args.base;
        mfsp->mfs_size = args.size;