BSD 4_4_Lite2 release

[unix-history] / usr / src / sys / kern / vfs_conf.c

diff --git a/usr/src/sys/kern/vfs_conf.c b/usr/src/sys/kern/vfs_conf.c
index 2fe39eb..9b57797 100644 (file)
--- a/usr/src/sys/kern/vfs_conf.c
+++ b/usr/src/sys/kern/vfs_conf.c
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 1989, 1993
+ * Copyright (c) 1989, 1993, 1995

  *     The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  *     The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without


@@ -30,144 +30,132 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *

- *     @(#)vfs_conf.c  8.8 (Berkeley) 3/31/94
+ *     @(#)vfs_conf.c  8.11 (Berkeley) 5/10/95

  */
 
 #include <sys/param.h>
 #include <sys/mount.h>
 #include <sys/vnode.h>
 
  */
 
 #include <sys/param.h>
 #include <sys/mount.h>
 #include <sys/vnode.h>
 

-#ifdef FFS
-#include <ufs/ffs/ffs_extern.h>
-

 /*
 /*

- * This specifies the filesystem used to mount the root.
- * This specification should be done by /etc/config.
+ * These define the root filesystem, device, and root filesystem type.

  */
  */

-int (*mountroot)() = ffs_mountroot;
-#endif
+struct mount *rootfs;
+struct vnode *rootvnode;
+int (*mountroot)() = NULL;

 
 /*
 
 /*

- * These define the root filesystem and device.
+ * Set up the initial array of known filesystem types.

  */
  */

-struct mount *rootfs;
-struct vnode *rootvnode;
+extern struct vfsops ufs_vfsops;
+extern int ffs_mountroot();
+extern struct vfsops lfs_vfsops;
+extern int lfs_mountroot();
+extern struct vfsops mfs_vfsops;
+extern int mfs_mountroot();
+extern struct vfsops cd9660_vfsops;
+extern int cd9660_mountroot();
+extern struct vfsops msdos_vfsops;
+extern struct vfsops adosfs_vfsops;
+extern struct vfsops nfs_vfsops;
+extern int nfs_mountroot();
+extern struct vfsops afs_vfsops;
+extern struct vfsops procfs_vfsops;
+extern struct vfsops null_vfsops;
+extern struct vfsops union_vfsops;
+extern struct vfsops umap_vfsops;
+extern struct vfsops portal_vfsops;
+extern struct vfsops fdesc_vfsops;
+extern struct vfsops kernfs_vfsops;

 
 /*
  * Set up the filesystem operations for vnodes.
 
 /*
  * Set up the filesystem operations for vnodes.

- * The types are defined in mount.h.

  */
  */

+static struct vfsconf vfsconflist[] = {
+
+       /* Fast Filesystem */

 #ifdef FFS
 #ifdef FFS

-extern struct vfsops ufs_vfsops;
-#define        UFS_VFSOPS      &ufs_vfsops
-#else
-#define        UFS_VFSOPS      NULL
+       { &ufs_vfsops, "ufs", 1, 0, MNT_LOCAL, ffs_mountroot, NULL },

 #endif
 
 #endif
 

+       /* Log-based Filesystem */

 #ifdef LFS
 #ifdef LFS

-extern struct vfsops lfs_vfsops;
-#define        LFS_VFSOPS      &lfs_vfsops
-#else
-#define        LFS_VFSOPS      NULL
+       { &lfs_vfsops, "lfs", 5, 0, MNT_LOCAL, lfs_mountroot, NULL },

 #endif
 
 #endif
 

+       /* Memory-based Filesystem */

 #ifdef MFS
 #ifdef MFS

-extern struct vfsops mfs_vfsops;
-#define        MFS_VFSOPS      &mfs_vfsops
-#else
-#define        MFS_VFSOPS      NULL
+       { &mfs_vfsops, "mfs", 3, 0, MNT_LOCAL, mfs_mountroot, NULL },

 #endif
 
 #endif
 

-#ifdef NFS
-extern struct vfsops nfs_vfsops;
-#define        NFS_VFSOPS      &nfs_vfsops
-#else
-#define        NFS_VFSOPS      NULL
+       /* ISO9660 (aka CDROM) Filesystem */
+#ifdef CD9660
+       { &cd9660_vfsops, "cd9660", 14, 0, MNT_LOCAL, cd9660_mountroot, NULL },

 #endif
 
 #endif
 

-#ifdef FDESC
-extern struct vfsops fdesc_vfsops;
-#define        FDESC_VFSOPS    &fdesc_vfsops
-#else
-#define        FDESC_VFSOPS    NULL
+       /* MSDOS Filesystem */
+#ifdef MSDOS
+       { &msdos_vfsops, "msdos", 4, 0, MNT_LOCAL, NULL, NULL },

 #endif
 
 #endif
 

-#ifdef PORTAL
-extern struct vfsops portal_vfsops;
-#define        PORTAL_VFSOPS   &portal_vfsops
-#else
-#define        PORTAL_VFSOPS   NULL
+       /* AmigaDOS Filesystem */
+#ifdef ADOSFS
+       { &adosfs_vfsops, "adosfs", 16, 0, MNT_LOCAL, NULL, NULL },

 #endif
 
 #endif
 

-#ifdef NULLFS
-extern struct vfsops null_vfsops;
-#define NULL_VFSOPS    &null_vfsops
-#else
-#define NULL_VFSOPS    NULL
+       /* Sun-compatible Network Filesystem */
+#ifdef NFS
+       { &nfs_vfsops, "nfs", 2, 0, 0, nfs_mountroot, NULL },

 #endif
 
 #endif
 

-#ifdef UMAPFS
-extern struct vfsops umap_vfsops;
-#define UMAP_VFSOPS    &umap_vfsops
-#else
-#define UMAP_VFSOPS    NULL
+       /* Andrew Filesystem */
+#ifdef AFS
+       { &afs_vfsops, "andrewfs", 13, 0, 0, afs_mountroot, NULL },

 #endif
 
 #endif
 

-#ifdef KERNFS
-extern struct vfsops kernfs_vfsops;
-#define KERNFS_VFSOPS  &kernfs_vfsops
-#else
-#define KERNFS_VFSOPS  NULL
+       /* /proc Filesystem */
+#ifdef PROCFS
+       { &procfs_vfsops, "procfs", 12, 0, 0, NULL, NULL },

 #endif
 
 #endif
 

-#ifdef PROCFS
-extern struct vfsops procfs_vfsops;
-#define PROCFS_VFSOPS  &procfs_vfsops
-#else
-#define PROCFS_VFSOPS  NULL
+       /* Loopback (Minimal) Filesystem Layer */
+#ifdef NULLFS
+       { &null_vfsops, "loopback", 9, 0, 0, NULL, NULL },

 #endif
 
 #endif
 

-#ifdef AFS
-extern struct vfsops afs_vfsops;
-#define AFS_VFSOPS     &afs_vfsops
-#else
-#define AFS_VFSOPS     NULL
+       /* Union (translucent) Filesystem */
+#ifdef UNION
+       { &union_vfsops, "union", 15, 0, 0, NULL, NULL },

 #endif
 
 #endif
 

-#ifdef CD9660
-extern struct vfsops cd9660_vfsops;
-#define CD9660_VFSOPS  &cd9660_vfsops
-#else
-#define CD9660_VFSOPS  NULL
+       /* User/Group Identifer Remapping Filesystem */
+#ifdef UMAPFS
+       { &umap_vfsops, "umap", 10, 0, 0, NULL, NULL },

 #endif
 
 #endif
 

-#ifdef UNION
-extern struct vfsops union_vfsops;
-#define        UNION_VFSOPS    &union_vfsops
-#else
-#define        UNION_VFSOPS    NULL
+       /* Portal Filesystem */
+#ifdef PORTAL
+       { &portal_vfsops, "portal", 8, 0, 0, NULL, NULL },
+#endif
+
+       /* File Descriptor Filesystem */
+#ifdef FDESC
+       { &fdesc_vfsops, "fdesc", 7, 0, 0, NULL, NULL },
+#endif
+
+       /* Kernel Information Filesystem */
+#ifdef KERNFS
+       { &kernfs_vfsops, "kernfs", 11, 0, 0, NULL, NULL },

 #endif
 
 #endif
 

-struct vfsops *vfssw[] = {
-       NULL,                   /* 0 = MOUNT_NONE */
-       UFS_VFSOPS,             /* 1 = MOUNT_UFS */
-       NFS_VFSOPS,             /* 2 = MOUNT_NFS */
-       MFS_VFSOPS,             /* 3 = MOUNT_MFS */
-       NULL,                   /* 4 = MOUNT_PC */
-       LFS_VFSOPS,             /* 5 = MOUNT_LFS */
-       NULL,                   /* 6 = MOUNT_LOFS */
-       FDESC_VFSOPS,           /* 7 = MOUNT_FDESC */
-       PORTAL_VFSOPS,          /* 8 = MOUNT_PORTAL */
-       NULL_VFSOPS,            /* 9 = MOUNT_NULL */
-       UMAP_VFSOPS,            /* 10 = MOUNT_UMAP */
-       KERNFS_VFSOPS,          /* 11 = MOUNT_KERNFS */
-       PROCFS_VFSOPS,          /* 12 = MOUNT_PROCFS */
-       AFS_VFSOPS,             /* 13 = MOUNT_AFS */
-       CD9660_VFSOPS,          /* 14 = MOUNT_CD9660 */
-       UNION_VFSOPS,           /* 15 = MOUNT_UNION */
-       0

 };
 
 };
 

+/*
+ * Initially the size of the list, vfs_init will set maxvfsconf
+ * to the highest defined type number.
+ */
+int maxvfsconf = sizeof(vfsconflist) / sizeof (struct vfsconf);
+struct vfsconf *vfsconf = vfsconflist;

 
 /*
  *
 
 /*
  *