layer_extern.h revision 1.1.2.2
1 /* $NetBSD: layer_extern.h,v 1.1.2.2 1999/08/02 22:27:34 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1999 National Aeronautics & Space Administration 5 * All rights reserved. 6 * 7 * This software was written by William Studenmund of the 8 * Numerical Aerospace Similation Facility, NASA Ames Research Center. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the the name of the National Aeronautics & Space Administration 19 * nor the names of its contributors may be used to endorse or promote 20 * products derived from this software without specific prior written 21 * permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NATIONAL AERONAUTICS & SPACE ADMINISTRATION 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ADMINISTRATION OR CONTRIB- 27 * UTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 28 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 /* 36 * Copyright (c) 1992, 1993, 1995 37 * The Regents of the University of California. All rights reserved. 38 * 39 * This code is derived from software donated to Berkeley by 40 * Jan-Simon Pendry. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * This product includes software developed by the University of 53 * California, Berkeley and its contributors. 54 * 4. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 */ 71 72 /* 73 * Routines defined by layerfs 74 */ 75 76 /* misc routines in layer_subr.c */ 77 void layerfs_init __P((void)); 78 int layer_node_alloc __P((struct mount *, struct vnode *, struct vnode **)); 79 int layer_node_create __P((struct mount *, struct vnode *, struct vnode **)); 80 struct vnode * 81 layer_node_find __P((struct mount *, struct vnode *)); 82 #define LOG2_SIZEVNODE 7 /* log2(sizeof struct vnode) */ 83 #define LAYER_NHASH(lmp, vp) \ 84 (&((lmp)->layerm_node_hashtbl[(((u_long)vp)>>LOG2_SIZEVNODE) & \ 85 (lmp)->layerm_node_hash])) 86 87 /* vfs routines */ 88 int layerfs_start __P((struct mount *, int, struct proc *)); 89 int layerfs_root __P((struct mount *, struct vnode **)); 90 int layerfs_quotactl __P((struct mount *, int, uid_t, caddr_t, 91 struct proc *)); 92 int layerfs_statfs __P((struct mount *, struct statfs *, struct proc *)); 93 int layerfs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 94 int layerfs_vget __P((struct mount *, ino_t, struct vnode **)); 95 int layerfs_fhtovp __P((struct mount *, struct fid *, struct vnode **)); 96 int layerfs_checkexp __P((struct mount *, struct mbuf *, int *, 97 struct ucred **)); 98 int layerfs_vptofh __P((struct vnode *, struct fid *)); 99 int layerfs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, 100 struct proc *)); 101 102 /* VOP routines */ 103 int layer_bypass __P((void *)); 104 int layer_getattr __P((void *)); 105 int layer_inactive __P((void *)); 106 int layer_reclaim __P((void *)); 107 int layer_print __P((void *)); 108 int layer_strategy __P((void *)); 109 int layer_bwrite __P((void *)); 110 int layer_bmap __P((void *)); 111 int layer_lock __P((void *)); 112 int layer_unlock __P((void *)); 113 int layer_islocked __P((void *)); 114 int layer_fsync __P((void *)); 115 int layer_lookup __P((void *)); 116 int layer_setattr __P((void *)); 117 int layer_access __P((void *)); 118 int layer_open __P((void *)); 119
Indexes created Tue Oct 21 16:10:11 GMT 2025