BSD 4_4_Lite1 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 89f4187..2fe39eb 100644 (file)
--- a/usr/src/sys/kern/vfs_conf.c
+++ b/usr/src/sys/kern/vfs_conf.c
@@ -1,10 +1,36 @@
 /*
 /*

- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1989, 1993
+ *     The Regents of the University of California.  All rights reserved.

  *
  *

- * %sccs.include.redist.c%
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. 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.

  *
  *

- *     @(#)vfs_conf.c  7.7 (Berkeley) %G%
+ * 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.
+ *
+ *     @(#)vfs_conf.c  8.8 (Berkeley) 3/31/94

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


@@ -25,7 +51,7 @@ int (*mountroot)() = ffs_mountroot;
  * These define the root filesystem and device.
  */
 struct mount *rootfs;
  * These define the root filesystem and device.
  */
 struct mount *rootfs;

-struct vnode *rootdir;
+struct vnode *rootvnode;

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


@@ -59,6 +85,69 @@ extern       struct vfsops nfs_vfsops;
 #define        NFS_VFSOPS      NULL
 #endif
 
 #define        NFS_VFSOPS      NULL
 #endif
 

+#ifdef FDESC
+extern struct vfsops fdesc_vfsops;
+#define        FDESC_VFSOPS    &fdesc_vfsops
+#else
+#define        FDESC_VFSOPS    NULL
+#endif
+
+#ifdef PORTAL
+extern struct vfsops portal_vfsops;
+#define        PORTAL_VFSOPS   &portal_vfsops
+#else
+#define        PORTAL_VFSOPS   NULL
+#endif
+
+#ifdef NULLFS
+extern struct vfsops null_vfsops;
+#define NULL_VFSOPS    &null_vfsops
+#else
+#define NULL_VFSOPS    NULL
+#endif
+
+#ifdef UMAPFS
+extern struct vfsops umap_vfsops;
+#define UMAP_VFSOPS    &umap_vfsops
+#else
+#define UMAP_VFSOPS    NULL
+#endif
+
+#ifdef KERNFS
+extern struct vfsops kernfs_vfsops;
+#define KERNFS_VFSOPS  &kernfs_vfsops
+#else
+#define KERNFS_VFSOPS  NULL
+#endif
+
+#ifdef PROCFS
+extern struct vfsops procfs_vfsops;
+#define PROCFS_VFSOPS  &procfs_vfsops
+#else
+#define PROCFS_VFSOPS  NULL
+#endif
+
+#ifdef AFS
+extern struct vfsops afs_vfsops;
+#define AFS_VFSOPS     &afs_vfsops
+#else
+#define AFS_VFSOPS     NULL
+#endif
+
+#ifdef CD9660
+extern struct vfsops cd9660_vfsops;
+#define CD9660_VFSOPS  &cd9660_vfsops
+#else
+#define CD9660_VFSOPS  NULL
+#endif
+
+#ifdef UNION
+extern struct vfsops union_vfsops;
+#define        UNION_VFSOPS    &union_vfsops
+#else
+#define        UNION_VFSOPS    NULL
+#endif
+

 struct vfsops *vfssw[] = {
        NULL,                   /* 0 = MOUNT_NONE */
        UFS_VFSOPS,             /* 1 = MOUNT_UFS */
 struct vfsops *vfssw[] = {
        NULL,                   /* 0 = MOUNT_NONE */
        UFS_VFSOPS,             /* 1 = MOUNT_UFS */


@@ -66,4 +155,106 @@ struct vfsops *vfssw[] = {
        MFS_VFSOPS,             /* 3 = MOUNT_MFS */
        NULL,                   /* 4 = MOUNT_PC */
        LFS_VFSOPS,             /* 5 = MOUNT_LFS */
        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
+};
+
+
+/*
+ *
+ * vfs_opv_descs enumerates the list of vnode classes, each with it's own
+ * vnode operation vector.  It is consulted at system boot to build operation
+ * vectors.  It is NULL terminated.
+ *
+ */
+extern struct vnodeopv_desc ffs_vnodeop_opv_desc;
+extern struct vnodeopv_desc ffs_specop_opv_desc;
+extern struct vnodeopv_desc ffs_fifoop_opv_desc;
+extern struct vnodeopv_desc lfs_vnodeop_opv_desc;
+extern struct vnodeopv_desc lfs_specop_opv_desc;
+extern struct vnodeopv_desc lfs_fifoop_opv_desc;
+extern struct vnodeopv_desc mfs_vnodeop_opv_desc;
+extern struct vnodeopv_desc dead_vnodeop_opv_desc;
+extern struct vnodeopv_desc fifo_vnodeop_opv_desc;
+extern struct vnodeopv_desc spec_vnodeop_opv_desc;
+extern struct vnodeopv_desc nfsv2_vnodeop_opv_desc;
+extern struct vnodeopv_desc spec_nfsv2nodeop_opv_desc;
+extern struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc;
+extern struct vnodeopv_desc fdesc_vnodeop_opv_desc;
+extern struct vnodeopv_desc portal_vnodeop_opv_desc;
+extern struct vnodeopv_desc null_vnodeop_opv_desc;
+extern struct vnodeopv_desc umap_vnodeop_opv_desc;
+extern struct vnodeopv_desc kernfs_vnodeop_opv_desc;
+extern struct vnodeopv_desc procfs_vnodeop_opv_desc;
+extern struct vnodeopv_desc cd9660_vnodeop_opv_desc;
+extern struct vnodeopv_desc cd9660_specop_opv_desc;
+extern struct vnodeopv_desc cd9660_fifoop_opv_desc;
+extern struct vnodeopv_desc union_vnodeop_opv_desc;
+
+struct vnodeopv_desc *vfs_opv_descs[] = {
+       &ffs_vnodeop_opv_desc,
+       &ffs_specop_opv_desc,
+#ifdef FIFO
+       &ffs_fifoop_opv_desc,
+#endif
+       &dead_vnodeop_opv_desc,
+#ifdef FIFO
+       &fifo_vnodeop_opv_desc,
+#endif
+       &spec_vnodeop_opv_desc,
+#ifdef LFS
+       &lfs_vnodeop_opv_desc,
+       &lfs_specop_opv_desc,
+#ifdef FIFO
+       &lfs_fifoop_opv_desc,
+#endif
+#endif
+#ifdef MFS
+       &mfs_vnodeop_opv_desc,
+#endif
+#ifdef NFS
+       &nfsv2_vnodeop_opv_desc,
+       &spec_nfsv2nodeop_opv_desc,
+#ifdef FIFO
+       &fifo_nfsv2nodeop_opv_desc,
+#endif
+#endif
+#ifdef FDESC
+       &fdesc_vnodeop_opv_desc,
+#endif
+#ifdef PORTAL
+       &portal_vnodeop_opv_desc,
+#endif
+#ifdef NULLFS
+       &null_vnodeop_opv_desc,
+#endif
+#ifdef UMAPFS
+       &umap_vnodeop_opv_desc,
+#endif
+#ifdef KERNFS
+       &kernfs_vnodeop_opv_desc,
+#endif
+#ifdef PROCFS
+       &procfs_vnodeop_opv_desc,
+#endif
+#ifdef CD9660
+       &cd9660_vnodeop_opv_desc,
+       &cd9660_specop_opv_desc,
+#ifdef FIFO
+       &cd9660_fifoop_opv_desc,
+#endif
+#endif
+#ifdef UNION
+       &union_vnodeop_opv_desc,
+#endif
+       NULL

 };
 };