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 <vfs.h> |
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29 | #include <cluster.h> |
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30 | #include <ramfs.h> |
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31 | |
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32 | |
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33 | ////////////////////////////////////////////// |
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34 | error_t ramfs_mount( xptr_t parent_inode_xp, |
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35 | char * ramfs_root_name ) |
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36 | { |
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37 | xptr_t unused_xp; // required by vfs_add_child_in_parent() |
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38 | |
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39 | cxy_t cxy = cluster_random_select(); |
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40 | |
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41 | // create VFS dentry and VFS inode for RAMFS root directory |
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42 | return vfs_add_child_in_parent( cxy, |
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43 | INODE_TYPE_DIR, |
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44 | FS_TYPE_RAMFS, |
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45 | parent_inode_xp, |
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46 | ramfs_root_name, |
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47 | &unused_xp, |
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48 | &unused_xp ); |
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49 | } |
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50 | |
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