ext4_jbd2.h revision 8642b7fba54727a38f751516bcdc452fb09ef610 
1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _EXT4_JBD2_H
13#define _EXT4_JBD2_H
14
15#include "ext4.h"
16
17#define EXT4_JOURNAL(inode) (EXT4_SB((inode)->i_sb)->s_journal)
18
19#define EXT4_SINGLEDATA_TRANS_BLOCKS(sb)   (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)   ? 27U : 8U)
20
21#define EXT4_XATTR_TRANS_BLOCKS 6U
22
23#define EXT4_DATA_TRANS_BLOCKS(sb) (EXT4_SINGLEDATA_TRANS_BLOCKS(sb) +   EXT4_XATTR_TRANS_BLOCKS - 2 +   EXT4_MAXQUOTAS_TRANS_BLOCKS(sb))
24
25#define EXT4_META_TRANS_BLOCKS(sb) (EXT4_XATTR_TRANS_BLOCKS +   EXT4_MAXQUOTAS_TRANS_BLOCKS(sb))
26
27#define EXT4_DELETE_TRANS_BLOCKS(sb) (2 * EXT4_DATA_TRANS_BLOCKS(sb) + 64)
28
29#define EXT4_MAX_TRANS_DATA 64U
30
31#define EXT4_RESERVE_TRANS_BLOCKS 12U
32
33#define EXT4_INDEX_EXTRA_TRANS_BLOCKS 8
34
35#define EXT4_QUOTA_TRANS_BLOCKS(sb) 0
36#define EXT4_QUOTA_INIT_BLOCKS(sb) 0
37#define EXT4_QUOTA_DEL_BLOCKS(sb) 0
38#define EXT4_MAXQUOTAS_TRANS_BLOCKS(sb) (MAXQUOTAS*EXT4_QUOTA_TRANS_BLOCKS(sb))
39#define EXT4_MAXQUOTAS_INIT_BLOCKS(sb) (MAXQUOTAS*EXT4_QUOTA_INIT_BLOCKS(sb))
40#define EXT4_MAXQUOTAS_DEL_BLOCKS(sb) (MAXQUOTAS*EXT4_QUOTA_DEL_BLOCKS(sb))
41
42#define ext4_journal_get_undo_access(handle, bh)   __ext4_journal_get_undo_access(__func__, (handle), (bh))
43#define ext4_journal_get_write_access(handle, bh)   __ext4_journal_get_write_access(__func__, (handle), (bh))
44#define ext4_forget(handle, is_metadata, inode, bh, block_nr)   __ext4_forget(__func__, (handle), (is_metadata), (inode), (bh),  (block_nr))
45#define ext4_journal_get_create_access(handle, bh)   __ext4_journal_get_create_access(__func__, (handle), (bh))
46#define ext4_handle_dirty_metadata(handle, inode, bh)   __ext4_handle_dirty_metadata(__func__, (handle), (inode), (bh))
47
48#define EXT4_NOJOURNAL_MAX_REF_COUNT ((unsigned long) 4096)
49
50#define ext4_journal_stop(handle)   __ext4_journal_stop(__func__, (handle))
51
52#endif
53
54