Implemented loadable VFS modules, and made most existing filesystems

loadable.  (NFS is a notable exception.)

1 files changed, 1 insertions, 217 deletions

diff --git a/sys/kern/vfs_conf.c b/sys/kern/vfs_conf.c
index 3480333..6e1eb1d 100644
--- a/sys/kern/vfs_conf.c
+++ b/sys/kern/vfs_conf.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)vfs_conf.c	8.8 (Berkeley) 3/31/94
- * $Id: vfs_conf.c,v 1.3 1994/08/20 16:03:12 davidg Exp $
+ * $Id: vfs_conf.c,v 1.4 1994/09/19 15:41:13 dfr Exp $
  */
 
 #include <sys/param.h>
@@ -50,219 +50,3 @@ int (*mountroot)() = ffs_mountroot;
 
 struct vnode *rootvnode;
 
-/*
- * Set up the filesystem operations for vnodes.
- * The types are defined in mount.h.
- */
-#ifdef FFS
-extern	struct vfsops ufs_vfsops;
-#define	UFS_VFSOPS	&ufs_vfsops
-#else
-#define	UFS_VFSOPS	NULL
-#endif
-
-#ifdef LFS
-extern	struct vfsops lfs_vfsops;
-#define	LFS_VFSOPS	&lfs_vfsops
-#else
-#define	LFS_VFSOPS	NULL
-#endif
-
-#ifdef MFS
-extern	struct vfsops mfs_vfsops;
-#define	MFS_VFSOPS	&mfs_vfsops
-#else
-#define	MFS_VFSOPS	NULL
-#endif
-
-#ifdef NFS
-extern	struct vfsops nfs_vfsops;
-#define	NFS_VFSOPS	&nfs_vfsops
-#else
-#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 MSDOSFS
-extern	struct vfsops msdosfs_vfsops;
-#define MSDOSFS_VFSOPS	&msdosfs_vfsops
-#else
-#define MSDOSFS_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 */
-	NFS_VFSOPS,		/* 2 = MOUNT_NFS */
-	MFS_VFSOPS,		/* 3 = MOUNT_MFS */
-	MSDOSFS_VFSOPS,		/* 4 = MOUNT_MSDOS */
-	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 msdosfs_vnodeop_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 MSDOSFS
-	&msdosfs_vnodeop_opv_desc,
-#endif
-#ifdef UNION
-	&union_vnodeop_opv_desc,
-#endif
-	NULL
-};