tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/fs/ext4/group.h
3 *
4 * Copyright (C) 2007 Cluster File Systems, Inc
5 *
6 * Author: Andreas Dilger <adilger@clusterfs.com>
7 */
8
9#ifndef _LINUX_EXT4_GROUP_H
10#define _LINUX_EXT4_GROUP_H
11
12extern __le16 ext4_group_desc_csum(struct ext4_sb_info *sbi, __u32 group,
13 struct ext4_group_desc *gdp);
14extern int ext4_group_desc_csum_verify(struct ext4_sb_info *sbi, __u32 group,
15 struct ext4_group_desc *gdp);
16struct buffer_head *read_block_bitmap(struct super_block *sb,
17 unsigned int block_group);
18extern unsigned ext4_init_block_bitmap(struct super_block *sb,
19 struct buffer_head *bh, int group,
20 struct ext4_group_desc *desc);
21#define ext4_free_blocks_after_init(sb, group, desc) \
22 ext4_init_block_bitmap(sb, NULL, group, desc)
23extern unsigned ext4_init_inode_bitmap(struct super_block *sb,
24 struct buffer_head *bh, int group,
25 struct ext4_group_desc *desc);
26extern void mark_bitmap_end(int start_bit, int end_bit, char *bitmap);
27#endif /* _LINUX_EXT4_GROUP_H */