2 * Copyright (c) 2015 Grzegorz Kostka (kostka.grzegorz@gmail.com)
3 * Copyright (c) 2015 Kaho Ng (ngkaho1234@gmail.com)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 /** @addtogroup lwext4
33 * @file ext4_journal.h
34 * @brief Journal handle functions
37 #ifndef EXT4_JOURNAL_H_
38 #define EXT4_JOURNAL_H_
44 #include "ext4_config.h"
45 #include "ext4_types.h"
47 int jbd_get_fs(struct ext4_fs *fs,
48 struct jbd_fs *jbd_fs);
49 int jbd_put_fs(struct jbd_fs *jbd_fs);
50 int jbd_inode_bmap(struct jbd_fs *jbd_fs,
52 ext4_fsblk_t *fblock);
53 int jbd_recover(struct jbd_fs *jbd_fs);
54 int jbd_journal_start(struct jbd_fs *jbd_fs,
55 struct jbd_journal *journal);
56 int jbd_journal_stop(struct jbd_journal *journal);
57 struct jbd_trans *jbd_journal_new_trans(struct jbd_journal *journal);
58 int jbd_trans_get_access(struct jbd_journal *journal,
59 struct jbd_trans *trans,
60 struct ext4_block *block);
61 int jbd_trans_set_block_dirty(struct jbd_trans *trans,
62 struct ext4_block *block);
63 int jbd_trans_revoke_block(struct jbd_trans *trans,
65 int jbd_trans_try_revoke_block(struct jbd_trans *trans,
67 void jbd_journal_free_trans(struct jbd_journal *journal,
68 struct jbd_trans *trans,
70 int jbd_journal_commit_trans(struct jbd_journal *journal,
71 struct jbd_trans *trans);
72 void jbd_journal_submit_trans(struct jbd_journal *journal,
73 struct jbd_trans *trans);
74 void jbd_journal_commit_one(struct jbd_journal *journal);
75 void jbd_journal_commit_all(struct jbd_journal *journal);
81 #endif /* EXT4_JOURNAL_H_ */