| 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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