rootfs.h (2440B)
1 /* $Id: //depot/blt/srv/vfs/rootfs.h#2 $ 2 ** 3 ** Copyright 1999 Sidney Cammeresi 4 ** All rights reserved. 5 ** 6 ** Redistribution and use in source and binary forms, with or without 7 ** modification, are permitted provided that the following conditions 8 ** are met: 9 ** 1. Redistributions of source code must retain the above copyright 10 ** notice, this list of conditions, and the following disclaimer. 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 29 #ifndef _ROOTFS_H_ 30 #define _ROOTFS_H_ 31 32 #include "vfs-int.h" 33 34 struct rootfs_inode 35 { 36 int i_ino; 37 char *i_name; 38 struct rootfs_inode *i_next; 39 }; 40 41 union rootfs_cookie 42 { 43 struct 44 { 45 struct vfs_dirent_node *head, *current; 46 } u_dir; 47 struct 48 { 49 int pos; 50 } u_file; 51 }; 52 53 static struct rootfs_inode *rootfs_inew (const char *name); 54 55 int rootfs_mount (struct superblock *sb, const char *data, int silent); 56 void rootfs_unmount (struct superblock *super); 57 int rootfs_read_vnode (struct vnode *vnode); 58 void rootfs_drop_vnode (struct vnode *vnode); 59 struct vnode *rootfs_walk (struct vnode *vnode, const char *path); 60 int rootfs_mkdir (struct vnode *vnode, const char *name, mode_t mode); 61 int rootfs_opendir (struct vnode *dir, void **cookie); 62 void rootfs_closedir (struct vnode *dir, void *cookie); 63 int rootfs_readdir (struct vnode *dir, struct dirent *dirent, void *cookie); 64 int rootfs_rewinddir (struct vnode *dir, void *cookie); 65 66 #endif 67