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