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#ifndef _AFFS_FS_SB
#define _AFFS_FS_SB

/*
 * super-block data in memory
 *
 * Block numbers are adjusted for their actual size
 *
 */

struct affs_bm_info {
        u32 bm_key;                     /* Disk block number */
        u32 bm_free;                    /* Free blocks in here */
};

struct affs_sb_info {
        int s_partition_size;           /* Partition size in blocks. */
        int s_reserved;                 /* Number of reserved blocks. */
        //u32 s_blksize;                        /* Initial device blksize */
        u32 s_data_blksize;             /* size of the data block w/o header */
        u32 s_root_block;               /* FFS root block number. */
        int s_hashsize;                 /* Size of hash table. */
        unsigned long s_flags;          /* See below. */
        uid_t s_uid;                    /* uid to override */
        gid_t s_gid;                    /* gid to override */
        umode_t s_mode;                 /* mode to override */
        struct buffer_head *s_root_bh;  /* Cached root block. */
        struct semaphore s_bmlock;      /* Protects bitmap access. */
        struct affs_bm_info *s_bitmap;  /* Bitmap infos. */
        u32 s_bmap_count;               /* # of bitmap blocks. */
        u32 s_bmap_bits;                /* # of bits in one bitmap blocks */
        u32 s_last_bmap;
        struct buffer_head *s_bmap_bh;
        char *s_prefix;                 /* Prefix for volumes and assigns. */
        int s_prefix_len;               /* Length of prefix. */
        char s_volume[32];              /* Volume prefix for absolute symlinks. */
};

#define SF_INTL         0x0001          /* International filesystem. */
#define SF_BM_VALID     0x0002          /* Bitmap is valid. */
#define SF_IMMUTABLE    0x0004          /* Protection bits cannot be changed */
#define SF_QUIET        0x0008          /* chmod errors will be not reported */
#define SF_SETUID       0x0010          /* Ignore Amiga uid */
#define SF_SETGID       0x0020          /* Ignore Amiga gid */
#define SF_SETMODE      0x0040          /* Ignore Amiga protection bits */
#define SF_MUFS         0x0100          /* Use MUFS uid/gid mapping */
#define SF_OFS          0x0200          /* Old filesystem */
#define SF_PREFIX       0x0400          /* Buffer for prefix is allocated */
#define SF_VERBOSE      0x0800          /* Talk about fs when mounting */
#define SF_READONLY     0x1000          /* Don't allow to remount rw */

/* short cut to get to the affs specific sb data */
static inline struct affs_sb_info *AFFS_SB(struct super_block *sb)
{
        return sb->s_fs_info;
}

#endif