| #ifndef _EXT2_FS_SB |
| #define _EXT2_FS_SB |
| |
| #define EXT2_MAX_GROUP_DESC 8 |
| #define EXT2_MAX_GROUP_LOADED 8 |
| |
| /* |
| * second extended-fs super-block data in memory |
| */ |
| struct ext2_sb_info { |
| unsigned long s_inodes_count; /* Inodes count */ |
| unsigned long s_blocks_count; /* Blocks count */ |
| unsigned long s_r_blocks_count; /* Reserved blocks count */ |
| unsigned long s_first_data_block;/* First data block */ |
| unsigned long s_log_block_size; /* Log of block size */ |
| long s_log_frag_size; /* Log of fragment size */ |
| unsigned long s_frag_size; /* Size of a fragment in bytes */ |
| unsigned long s_frags_per_block;/* Number of fragments per block */ |
| unsigned long s_inodes_per_block;/* Number of inodes per block */ |
| unsigned long s_frags_per_group;/* Number of fragments in a group */ |
| unsigned long s_blocks_per_group;/* Number of blocks in a group */ |
| unsigned long s_inodes_per_group;/* Number of inodes in a group */ |
| unsigned long s_desc_per_block; /* Number of group descriptors per block */ |
| unsigned long s_groups_count; /* Number of groups in the fs */ |
| struct buffer_head * s_sbh; /* Buffer containing the super block */ |
| struct buffer_head * s_group_desc[EXT2_MAX_GROUP_DESC]; |
| unsigned short s_loaded_inode_bitmaps; |
| unsigned short s_loaded_block_bitmaps; |
| unsigned long s_inode_bitmap_number[EXT2_MAX_GROUP_LOADED]; |
| struct buffer_head * s_inode_bitmap[EXT2_MAX_GROUP_LOADED]; |
| unsigned long s_block_bitmap_number[EXT2_MAX_GROUP_LOADED]; |
| struct buffer_head * s_block_bitmap[EXT2_MAX_GROUP_LOADED]; |
| int s_rename_lock; |
| int s_was_mounted_valid; |
| struct wait_queue * s_rename_wait; |
| }; |
| |
| #endif |
