1 /*- 2 * Copyright (c) 2001 Dag-Erling Co�dan Sm�rgrav 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _PSEUDOFS_INTERNAL_H_INCLUDED 32 #define _PSEUDOFS_INTERNAL_H_INCLUDED 33 34 /* 35 * Sysctl subtree 36 */ 37 SYSCTL_DECL(_vfs_pfs); 38 39 /* 40 * Vnode data 41 */ 42 struct pfs_vdata { 43 struct pfs_node *pvd_pn; 44 pid_t pvd_pid; 45 struct vnode *pvd_vnode; 46 struct pfs_vdata*pvd_prev, *pvd_next; 47 }; 48 49 /* 50 * Vnode cache 51 */ 52 void pfs_vncache_load (void); 53 void pfs_vncache_unload (void); 54 int pfs_vncache_alloc (struct mount *, struct vnode **, 55 struct pfs_node *, pid_t pid); 56 int pfs_vncache_free (struct vnode *); 57 58 /* 59 * File number bitmap 60 */ 61 void pfs_fileno_init (struct pfs_info *); 62 void pfs_fileno_uninit (struct pfs_info *); 63 void pfs_fileno_alloc (struct pfs_info *, struct pfs_node *); 64 void pfs_fileno_free (struct pfs_info *, struct pfs_node *); 65 66 #endif 67