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/*
 *  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/blockgroup_lock.h>
#include <linux/percpu_counter.h>

/*
 * 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_gdb_count;      /* Number of group descriptor blocks */
        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 long  s_mount_opt;
        uid_t s_resuid;
        gid_t 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;
        u32 s_next_generation;
        unsigned long s_dir_count;
        u8 *s_debts;
        struct percpu_counter s_freeblocks_counter;
        struct percpu_counter s_freeinodes_counter;
        struct percpu_counter s_dirs_counter;
        struct blockgroup_lock s_blockgroup_lock;
};

#endif  /* _LINUX_EXT2_FS_SB */