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Diffstat (limited to 'sys/miscfs/nullfs/null.h')
| -rw-r--r-- | sys/miscfs/nullfs/null.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/sys/miscfs/nullfs/null.h b/sys/miscfs/nullfs/null.h deleted file mode 100644 index a5ebf87..0000000 --- a/sys/miscfs/nullfs/null.h +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software donated to Berkeley by - * Jan-Simon Pendry. - * - * 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. - * - * 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. - * - * @(#)null.h 8.3 (Berkeley) 8/20/94 - * - * $FreeBSD$ - */ - -struct null_args { - char *target; /* Target of loopback */ -}; - -struct null_mount { - struct mount *nullm_vfs; - struct vnode *nullm_rootvp; /* Reference to root null_node */ -}; - -#ifdef _KERNEL -/* - * A cache of vnode references - */ -struct null_node { - LIST_ENTRY(null_node) null_hash; /* Hash list */ - struct vnode *null_lowervp; /* VREFed once */ - struct vnode *null_vnode; /* Back pointer */ -}; - -#define MOUNTTONULLMOUNT(mp) ((struct null_mount *)((mp)->mnt_data)) -#define VTONULL(vp) ((struct null_node *)(vp)->v_data) -#define NULLTOV(xp) ((xp)->null_vnode) - -int nullfs_init(struct vfsconf *vfsp); -int nullfs_uninit(struct vfsconf *vfsp); -int null_node_create(struct mount *mp, struct vnode *target, struct vnode **vpp); -int null_bypass(struct vop_generic_args *ap); - -#ifdef DIAGNOSTIC -struct vnode *null_checkvp(struct vnode *vp, char *fil, int lno); -#define NULLVPTOLOWERVP(vp) null_checkvp((vp), __FILE__, __LINE__) -#else -#define NULLVPTOLOWERVP(vp) (VTONULL(vp)->null_lowervp) -#endif - -extern vop_t **null_vnodeop_p; -extern struct lock null_hashlock; - -#ifdef MALLOC_DECLARE -MALLOC_DECLARE(M_NULLFSNODE); -#endif - -#ifdef NULLFS_DEBUG -#define NULLFSDEBUG(format, args...) printf(format ,## args) -#else -#define NULLFSDEBUG(format, args...) -#endif /* NULLFS_DEBUG */ - -#endif /* _KERNEL */ |
