2 * Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com)
6 * Copyright (c) 2012 Martin Sucha
7 * Copyright (c) 2012 Frantisek Princ
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
14 * - Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * - Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * - The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 /** @addtogroup lwext4
39 * @brief More complex filesystem functions.
45 #include <ext4_config.h>
46 #include <ext4_types.h>
52 int ext4_fs_init(struct ext4_fs *fs, struct ext4_blockdev *bdev);
55 int ext4_fs_fini(struct ext4_fs *fs);
58 int ext4_fs_check_features(struct ext4_fs *fs, bool *read_only);
61 uint32_t ext4_fs_baddr2_index_in_group(struct ext4_sblock *s, uint32_t baddr);
64 uint32_t ext4_fs_index_in_group2_baddr(struct ext4_sblock *s, uint32_t index,
68 int ext4_fs_get_block_group_ref(struct ext4_fs *fs, uint32_t bgid,
69 struct ext4_block_group_ref *ref);
72 int ext4_fs_put_block_group_ref(struct ext4_block_group_ref *ref);
75 int ext4_fs_get_inode_ref(struct ext4_fs *fs, uint32_t index,
76 struct ext4_inode_ref *ref);
79 int ext4_fs_put_inode_ref(struct ext4_inode_ref *ref);
82 int ext4_fs_alloc_inode(struct ext4_fs *fs, struct ext4_inode_ref *inode_ref,
86 int ext4_fs_free_inode(struct ext4_inode_ref *inode_ref);
89 int ext4_fs_truncate_inode(struct ext4_inode_ref *inode_ref,
93 int ext4_fs_get_inode_data_block_index(struct ext4_inode_ref *inode_ref,
94 uint64_t iblock, uint32_t *fblock);
97 int ext4_fs_set_inode_data_block_index(struct ext4_inode_ref *inode_ref,
98 uint64_t iblock, uint32_t fblock);
100 /**@brief TODO: ...*/
101 int ext4_fs_release_inode_block(struct ext4_inode_ref *inode_ref,
104 /**@brief TODO: ...*/
105 int ext4_fs_append_inode_block(struct ext4_inode_ref *inode_ref,
106 uint32_t *fblock, uint32_t *iblock);
108 #endif /* EXT4_FS_H_ */