source: trunk/kernel/fs/ramfs.h @ 657

Last change on this file since 657 was 657, checked in by alain, 22 months ago

Introduce remote_buf.c/.h & socket.c/.h files.
Update dev_nic.c/.h files.

File size: 2.1 KB
Line 
1/*
2 * ramfs.h  RAMFS file system API definition.
3 *
4 * Authors   Mohamed Lamine Karaoui (2014,2015)
5 *           Alain Greiner (2016,2017,2018,2019,2020)
6 *
7 * Copyright (c) UPMC Sorbonne Universites
8 *
9 * This file is part of ALMOS-MKH.
10 *
11 * ALMOS-MKH is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; version 2.0 of the License.
14 *
15 * ALMOS-MKH is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
22 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 */
24
25#ifndef _RAMFS_H_
26#define _RAMFS_H_
27
28///////////////////////////////////////////////////////////////////////////////////////////
29// The RAMFS File System does not uses any external device to store data.
30// It stores the dynamically created files and directories in the VFS mappers.
31// The RAMFS cannot be used as the root File System.
32//
33// There is no RAMFS context extension, and no RAMFS inode extension.
34///////////////////////////////////////////////////////////////////////////////////////////
35
36
37
38/******************************************************************************************
39 * This function mount a RAMFS on a given inode of the root FS.
40 * It actually creates a new VFS dentry in the cluster containing the parent inode,
41 * and create a new VFS inode in another cluster.
42 ******************************************************************************************
43 * @ parent_inode_xp : extended pointer on the parent inode in VFS.
44 * @ ramfs_root_name : RAMFS root directory name.
45 *****************************************************************************************/
46error_t ramfs_mount( xptr_t   parent_inode_xp,
47                     char   * ramfs_root_name );
48
49#endif  /* _RAMFS_H_ */
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