| [1] | 1 | /*
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| 2 | * ramfs.h RAMFS file system API definition.
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| 3 | *
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| [23] | 4 | * Authors Mohamed Lamine Karaoui (2014,2015)
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| [657] | 5 | * Alain Greiner (2016,2017,2018,2019,2020)
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| [1] | 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 | #ifndef _RAMFS_H_
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| 26 | #define _RAMFS_H_
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| 27 |
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| [23] | 28 | ///////////////////////////////////////////////////////////////////////////////////////////
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| [188] | 29 | // The RAMFS File System does not uses any external device to store data.
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| [23] | 30 | // It stores the dynamically created files and directories in the VFS mappers.
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| [188] | 31 | // The RAMFS cannot be used as the root File System.
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| 32 | //
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| [23] | 33 | // There is no RAMFS context extension, and no RAMFS inode extension.
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| 34 | ///////////////////////////////////////////////////////////////////////////////////////////
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| 35 |
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| 36 |
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| [1] | 37 |
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| [23] | 38 | /******************************************************************************************
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| 39 | * This function mount a RAMFS on a given inode of the root FS.
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| 40 | * It actually creates a new VFS dentry in the cluster containing the parent inode,
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| 41 | * and create a new VFS inode in another cluster.
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| 42 | ******************************************************************************************
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| [188] | 43 | * @ parent_inode_xp : extended pointer on the parent inode in VFS.
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| [23] | 44 | * @ ramfs_root_name : RAMFS root directory name.
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| 45 | *****************************************************************************************/
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| 46 | error_t ramfs_mount( xptr_t parent_inode_xp,
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| 47 | char * ramfs_root_name );
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| 48 |
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| [1] | 49 | #endif /* _RAMFS_H_ */
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