diff options
Diffstat (limited to 'sys/miscfs/umapfs/umap.h')
| -rw-r--r-- | sys/miscfs/umapfs/umap.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/sys/miscfs/umapfs/umap.h b/sys/miscfs/umapfs/umap.h deleted file mode 100644 index eb562ed..0000000 --- a/sys/miscfs/umapfs/umap.h +++ /dev/null @@ -1,91 +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 - * the UCLA Ficus project. - * - * 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. - * - * @(#)umap.h 8.4 (Berkeley) 8/20/94 - * - * $FreeBSD$ - */ - -#define MAPFILEENTRIES 64 -#define GMAPFILEENTRIES 16 -#define NOBODY 32767 -#define NULLGROUP 65534 - -struct umap_args { - char *target; /* Target of loopback */ - int nentries; /* # of entries in user map array */ - int gnentries; /* # of entries in group map array */ - u_long (*mapdata)[2]; /* pointer to array of user mappings */ - u_long (*gmapdata)[2]; /* pointer to array of group mappings */ -}; - -struct umap_mount { - struct mount *umapm_vfs; - struct vnode *umapm_rootvp; /* Reference to root umap_node */ - int info_nentries; /* number of uid mappings */ - int info_gnentries; /* number of gid mappings */ - u_long info_mapdata[MAPFILEENTRIES][2]; /* mapping data for - user mapping in ficus */ - u_long info_gmapdata[GMAPFILEENTRIES][2]; /*mapping data for - group mapping in ficus */ -}; - -#ifdef _KERNEL -/* - * A cache of vnode references - */ -struct umap_node { - LIST_ENTRY(umap_node) umap_hash; /* Hash list */ - struct vnode *umap_lowervp; /* Aliased vnode - VREFed once */ - struct vnode *umap_vnode; /* Back pointer to vnode/umap_node */ -}; - -extern int umapfs_init __P((struct vfsconf *vfsp)); -extern int umap_node_create __P((struct mount *mp, struct vnode *target, struct vnode **vpp)); -extern u_long umap_reverse_findid __P((u_long id, u_long map[][2], int nentries)); -extern void umap_mapids __P((struct mount *v_mount, struct ucred *credp)); - -#define MOUNTTOUMAPMOUNT(mp) ((struct umap_mount *)((mp)->mnt_data)) -#define VTOUMAP(vp) ((struct umap_node *)(vp)->v_data) -#define UMAPTOV(xp) ((xp)->umap_vnode) -#ifdef DIAGNOSTIC -extern struct vnode *umap_checkvp __P((struct vnode *vp, char *fil, int lno)); -#define UMAPVPTOLOWERVP(vp) umap_checkvp((vp), __FILE__, __LINE__) -#else -#define UMAPVPTOLOWERVP(vp) (VTOUMAP(vp)->umap_lowervp) -#endif - -extern vop_t **umap_vnodeop_p; -#endif /* _KERNEL */ |
