source: trunk/kernel/vfs/ramfs.c @ 356

Last change on this file since 356 was 188, checked in by alain, 7 years ago

Redefine the PIC device API.

File size: 1.7 KB
Line 
1/*
2 * ramfs.c  RAMFS file system API implementation.
3 *
4 * Authors   Mohamed Lamine Karaoui (2014,2015)
5 *           Alain Greiner (2016,2017)
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
26#include <hal_types.h>
27#include <hal_special.h>
28#include <printk.h>
29#include <kmem.h>
30#include <vfs.h>
31#include <ramfs.h>
32
33
34//////////////////////////////////////////////
35error_t ramfs_mount( xptr_t   parent_inode_xp,
36                     char   * ramfs_root_name )
37{
38    xptr_t    root_inode_xp;   // unused                     
39 
40    cxy_t     cxy = vfs_cluster_random_select();
41
42    // create VFS dentry and VFS inode for RAMFS root directory
43    return  vfs_add_child_in_parent( cxy,
44                                     INODE_TYPE_DIR,
45                                     FS_TYPE_RAMFS,
46                                     parent_inode_xp,
47                                     ramfs_root_name,
48                                     NULL,
49                                     &root_inode_xp );
50}
51
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