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#ifndef _AFFS_FS_I

#define _AFFS_FS_I

#include <linux/a.out.h>

// move this to linux/coda.h!!!

#include <linux/time.h>

#define AFFS_CACHE_SIZE         PAGE_SIZE

//#define AFFS_CACHE_SIZE               (4*4)

#define AFFS_MAX_PREALLOC       32

#define AFFS_LC_SIZE            (AFFS_CACHE_SIZE/sizeof(u32)/2)

#define AFFS_AC_SIZE            (AFFS_CACHE_SIZE/sizeof(struct affs_ext_key)/2)

#define AFFS_AC_MASK            (AFFS_AC_SIZE-1)

struct affs_ext_key {

        u32     ext;                            /* idx of the extended block */

        u32     key;                            /* block number */

};

/*

 * affs fs inode data in memory

 */

struct affs_inode_info {

        u32      i_opencnt;

        struct semaphore i_link_lock;           /* Protects internal inode access. */

        struct semaphore i_ext_lock;            /* Protects internal inode access. */

#define i_hash_lock i_ext_lock

        u32      i_blkcnt;                      /* block count */

        u32      i_extcnt;                      /* extended block count */

        u32     *i_lc;                          /* linear cache of extended blocks */

        u32      i_lc_size;

        u32      i_lc_shift;

        u32      i_lc_mask;

        struct affs_ext_key *i_ac;              /* associative cache of extended blocks */

        u32      i_ext_last;                    /* last accessed extended block */

        struct buffer_head *i_ext_bh;           /* bh of last extended block */

        unsigned long mmu_private;

        u32      i_protect;                     /* unused attribute bits */

        u32      i_lastalloc;                   /* last allocated block */

        int      i_pa_cnt;                      /* number of preallocated blocks */

#if 0

        s32      i_original;                    /* if != 0, this is the key of the original */

        u32      i_data[AFFS_MAX_PREALLOC];     /* preallocated blocks */

        int      i_cache_users;                 /* Cache cannot be freed while > 0 */

        unsigned char i_hlink;                  /* This is a fake */

        unsigned char i_pad;

        s32      i_parent;                      /* parent ino */

#endif

};

/* short cut to get to the affs specific inode data */

#define AFFS_INODE      (&inode->u.affs_i)

#define AFFS_DIR        (&dir->u.affs_i)

#endif