mdt.h (fd66c0d5c377ee8146909d0eb9258539e4b0f293) mdt.h (db38d5ad323362bfca118b52fe5906f97a69fb45)
1/*
2 * mdt.h - NILFS meta data file prototype and definitions
3 *
4 * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or

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31/**
32 * struct nilfs_mdt_info - on-memory private data of meta data files
33 * @mi_nilfs: back pointer to the_nilfs struct
34 * @mi_sem: reader/writer semaphore for meta data operations
35 * @mi_bgl: per-blockgroup locking
36 * @mi_entry_size: size of an entry
37 * @mi_first_entry_offset: offset to the first entry
38 * @mi_entries_per_block: number of entries in a block
1/*
2 * mdt.h - NILFS meta data file prototype and definitions
3 *
4 * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or

--- 22 unchanged lines hidden (view full) ---

31/**
32 * struct nilfs_mdt_info - on-memory private data of meta data files
33 * @mi_nilfs: back pointer to the_nilfs struct
34 * @mi_sem: reader/writer semaphore for meta data operations
35 * @mi_bgl: per-blockgroup locking
36 * @mi_entry_size: size of an entry
37 * @mi_first_entry_offset: offset to the first entry
38 * @mi_entries_per_block: number of entries in a block
39 * @mi_palloc_cache: persistent object allocator cache
39 * @mi_blocks_per_group: number of blocks in a group
40 * @mi_blocks_per_desc_block: number of blocks per descriptor block
41 */
42struct nilfs_mdt_info {
43 struct the_nilfs *mi_nilfs;
44 struct rw_semaphore mi_sem;
45 struct blockgroup_lock *mi_bgl;
46 unsigned mi_entry_size;
47 unsigned mi_first_entry_offset;
48 unsigned long mi_entries_per_block;
40 * @mi_blocks_per_group: number of blocks in a group
41 * @mi_blocks_per_desc_block: number of blocks per descriptor block
42 */
43struct nilfs_mdt_info {
44 struct the_nilfs *mi_nilfs;
45 struct rw_semaphore mi_sem;
46 struct blockgroup_lock *mi_bgl;
47 unsigned mi_entry_size;
48 unsigned mi_first_entry_offset;
49 unsigned long mi_entries_per_block;
50 struct nilfs_palloc_cache *mi_palloc_cache;
49 unsigned long mi_blocks_per_group;
50 unsigned long mi_blocks_per_desc_block;
51};
52
53static inline struct nilfs_mdt_info *NILFS_MDT(const struct inode *inode)
54{
55 return inode->i_private;
56}

--- 51 unchanged lines hidden --- 		51 unsigned long mi_blocks_per_group;
52 unsigned long mi_blocks_per_desc_block;
53};
54
55static inline struct nilfs_mdt_info *NILFS_MDT(const struct inode *inode)
56{
57 return inode->i_private;
58}

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