9f1d2a461fec82c87e26f579020872e6aad505a7
[reactos.git] / reactos / drivers / filesystems / ext2_new / src / ext4 / ext4_jbd2.c
1 #include "ext2fs.h"
2 #include "linux\ext4.h"
3
4 static handle_t no_journal;
5
6 handle_t *__ext4_journal_start_sb(void *icb, struct super_block *sb, unsigned int line,
7 int type, int blocks, int rsv_blocks)
8 {
9 return &no_journal;
10 }
11
12 int __ext4_journal_stop(const char *where, unsigned int line, void *icb, handle_t *handle)
13 {
14 return 0;
15 }
16
17 void ext4_journal_abort_handle(const char *caller, unsigned int line,
18 const char *err_fn, struct buffer_head *bh,
19 handle_t *handle, int err)
20 {
21 }
22
23 int __ext4_journal_get_write_access(const char *where, unsigned int line,
24 void *icb, handle_t *handle, struct buffer_head *bh)
25 {
26 int err = 0;
27 return err;
28 }
29
30 /*
31 * The ext4 forget function must perform a revoke if we are freeing data
32 * which has been journaled. Metadata (eg. indirect blocks) must be
33 * revoked in all cases.
34 *
35 * "bh" may be NULL: a metadata block may have been freed from memory
36 * but there may still be a record of it in the journal, and that record
37 * still needs to be revoked.
38 *
39 * If the handle isn't valid we're not journaling, but we still need to
40 * call into ext4_journal_revoke() to put the buffer head.
41 */
42 int __ext4_forget(const char *where, unsigned int line, void *icb, handle_t *handle,
43 int is_metadata, struct inode *inode,
44 struct buffer_head *bh, ext4_fsblk_t blocknr)
45 {
46 int err = 0;
47 return err;
48 }
49
50 int __ext4_journal_get_create_access(const char *where, unsigned int line,
51 void *icb, handle_t *handle, struct buffer_head *bh)
52 {
53 int err = 0;
54 return err;
55 }
56
57 int __ext4_handle_dirty_metadata(const char *where, unsigned int line,
58 void *icb, handle_t *handle, struct inode *inode,
59 struct buffer_head *bh)
60 {
61 int err = 0;
62
63 extents_mark_buffer_dirty(bh);
64 return err;
65 }
66
67 int __ext4_handle_dirty_super(const char *where, unsigned int line,
68 handle_t *handle, struct super_block *sb)
69 {
70 return 0;
71 }