| 1 | /* | 
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| 2 |  * ramfs.c  RAMFS file system API implementation. | 
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| 3 |  * | 
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| 4 |  * Authors   Mohamed Lamine Karaoui (2014,2015) | 
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| 5 |  *           Alain Greiner (2016,2017) | 
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| 6 |  * | 
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| 7 |  * Copyright (c) UPMC Sorbonne Universites | 
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| 8 |  * | 
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| 9 |  * This file is part of ALMOS-MKH. | 
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| 10 |  * | 
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| 11 |  * ALMOS-MKH is free software; you can redistribute it and/or modify it | 
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| 12 |  * under the terms of the GNU General Public License as published by | 
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| 13 |  * the Free Software Foundation; version 2.0 of the License. | 
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| 14 |  * | 
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| 15 |  * ALMOS-MKH is distributed in the hope that it will be useful, but | 
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| 16 |  * WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 17 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 18 |  * General Public License for more details. | 
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| 19 |  * | 
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| 20 |  * You should have received a copy of the GNU General Public License | 
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| 21 |  * along with ALMOS-MKH; if not, write to the Free Software Foundation, | 
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| 22 |  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | 
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| 23 |  */ | 
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| 24 |  | 
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| 25 |  | 
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| 26 | #include <hal_kernel_types.h> | 
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| 27 | #include <hal_special.h> | 
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| 28 | #include <printk.h> | 
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| 29 | #include <kmem.h> | 
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| 30 | #include <vfs.h> | 
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| 31 | #include <ramfs.h> | 
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| 32 |  | 
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| 33 |  | 
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| 34 | ////////////////////////////////////////////// | 
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| 35 | error_t ramfs_mount( xptr_t   parent_inode_xp, | 
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| 36 |                      char   * ramfs_root_name ) | 
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| 37 | { | 
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| 38 |     xptr_t    root_inode_xp;   // unused                       | 
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| 39 |   | 
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| 40 |     cxy_t     cxy = vfs_cluster_random_select(); | 
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| 41 |  | 
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| 42 |     // create VFS dentry and VFS inode for RAMFS root directory | 
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| 43 |     return  vfs_add_child_in_parent( cxy, | 
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| 44 |                                      INODE_TYPE_DIR, | 
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| 45 |                                      FS_TYPE_RAMFS, | 
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| 46 |                                      parent_inode_xp, | 
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| 47 |                                      ramfs_root_name, | 
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| 48 |                                      NULL, | 
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| 49 |                                      &root_inode_xp ); | 
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| 50 | } | 
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| 51 |  | 
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