bmap.h (f198dbb9cf580c09644ebdf46846115c6daff14e) bmap.h (3033342a0b76048e32ce1faebfa85cf8f1aa93b5)
1/*
2 * bmap.h - NILFS block mapping.
3 *
4 * Copyright (C) 2006-2008 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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120
121/**
122 * struct nilfs_bmap - bmap structure
123 * @b_u: raw data
124 * @b_sem: semaphore
125 * @b_inode: owner of bmap
126 * @b_ops: bmap operation table
127 * @b_pops: bmap ptr operation table
1/*
2 * bmap.h - NILFS block mapping.
3 *
4 * Copyright (C) 2006-2008 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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120
121/**
122 * struct nilfs_bmap - bmap structure
123 * @b_u: raw data
124 * @b_sem: semaphore
125 * @b_inode: owner of bmap
126 * @b_ops: bmap operation table
127 * @b_pops: bmap ptr operation table
128 * @b_low: low watermark of conversion
129 * @b_high: high watermark of conversion
130 * @b_last_allocated_key: last allocated key for data block
131 * @b_last_allocated_ptr: last allocated ptr for data block
132 * @b_state: state
133 */
134struct nilfs_bmap {
135 union {
136 __u8 u_flags;
137 __le64 u_data[NILFS_BMAP_SIZE / sizeof(__le64)];
138 } b_u;
139 struct rw_semaphore b_sem;
140 struct inode *b_inode;
141 const struct nilfs_bmap_operations *b_ops;
142 const struct nilfs_bmap_ptr_operations *b_pops;
128 * @b_last_allocated_key: last allocated key for data block
129 * @b_last_allocated_ptr: last allocated ptr for data block
130 * @b_state: state
131 */
132struct nilfs_bmap {
133 union {
134 __u8 u_flags;
135 __le64 u_data[NILFS_BMAP_SIZE / sizeof(__le64)];
136 } b_u;
137 struct rw_semaphore b_sem;
138 struct inode *b_inode;
139 const struct nilfs_bmap_operations *b_ops;
140 const struct nilfs_bmap_ptr_operations *b_pops;
143 __u64 b_low;
144 __u64 b_high;
145 __u64 b_last_allocated_key;
146 __u64 b_last_allocated_ptr;
147 int b_state;
148};
149
150/* state */
151#define NILFS_BMAP_DIRTY 0x00000001
152

--- 79 unchanged lines hidden --- 		141 __u64 b_last_allocated_key;
142 __u64 b_last_allocated_ptr;
143 int b_state;
144};
145
146/* state */
147#define NILFS_BMAP_DIRTY 0x00000001
148

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