/* *  linux/include/linux/ext2_fs_sb.h * * Copyright (C) 1992, 1993, 1994, 1995 * Remy Card (card@masi.ibp.fr) * Laboratoire MASI - Institut Blaise Pascal * Universite Pierre et Marie Curie (Paris VI) * *  from * *  linux/include/linux/minix_fs_sb.h * *  Copyright (C) 1991, 1992  Linus Torvalds */#ifndef _LINUX_EXT2_FS_SB#define _LINUX_EXT2_FS_SB#include <linux/ext2_fs.h>/* * The following is not needed anymore since the descriptors buffer * heads are now dynamically allocated *//* #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_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_itb_per_group;	/* Number of inode table blocks per group */	unsigned long s_db_per_group;	/* Number of descriptor blocks per 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 ext2_super_block * s_es;	/* Pointer to the super block in the buffer */	struct buffer_head ** s_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];	unsigned long  s_mount_opt;	unsigned short s_resuid;	unsigned short s_resgid;	unsigned short s_mount_state;	unsigned short s_pad;	int s_addr_per_block_bits;	int s_desc_per_block_bits;	int s_inode_size;	int s_first_ino;	int s_feature_compat;	int s_feature_incompat;	int s_feature_ro_compat;};#endif	/* _LINUX_EXT2_FS_SB */