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marcus.erl |
/*
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* linux/fs/ext4/group.h
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*
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* Copyright (C) 2007 Cluster File Systems, Inc
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*
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* Author: Andreas Dilger <adilger@clusterfs.com>
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*/
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#ifndef _LINUX_EXT4_GROUP_H
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#define _LINUX_EXT4_GROUP_H
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extern __le16 ext4_group_desc_csum(struct ext4_sb_info *sbi, __u32 group,
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struct ext4_group_desc *gdp);
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extern int ext4_group_desc_csum_verify(struct ext4_sb_info *sbi, __u32 group,
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struct ext4_group_desc *gdp);
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struct buffer_head *read_block_bitmap(struct super_block *sb,
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unsigned int block_group);
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extern unsigned ext4_init_block_bitmap(struct super_block *sb,
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struct buffer_head *bh, int group,
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struct ext4_group_desc *desc);
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#define ext4_free_blocks_after_init(sb, group, desc) \
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ext4_init_block_bitmap(sb, NULL, group, desc)
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extern unsigned ext4_init_inode_bitmap(struct super_block *sb,
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struct buffer_head *bh, int group,
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struct ext4_group_desc *desc);
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extern void mark_bitmap_end(int start_bit, int end_bit, char *bitmap);
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#endif /* _LINUX_EXT4_GROUP_H */
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