diff options
Diffstat (limited to 'fs/ext4/group.h')
| -rw-r--r-- | fs/ext4/group.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/fs/ext4/group.h b/fs/ext4/group.h new file mode 100644 index 00000000000..1577910bb58 --- /dev/null +++ b/fs/ext4/group.h @@ -0,0 +1,27 @@ +/* + * 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 */ |