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#include <linux/fs.h>

#include <linux/minix_fs.h>

#include <linux/locks.h>

#include <linux/smp_lock.h>

enum {DIRECT = 7, DEPTH = 4};   /* Have triple indirect */

typedef u32 block_t;    /* 32 bit, host order */

static inline unsigned long block_to_cpu(block_t n)

{

        return n;

}

static inline block_t cpu_to_block(unsigned long n)

{

        return n;

}

static inline block_t *i_data(struct inode *inode)

{

        return (block_t *)inode->u.minix_i.u.i2_data;

}

static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])

{

        int n = 0;

        if (block < 0) {

                printk("minix_bmap: block<0");

        } else if (block >= (inode->i_sb->u.minix_sb.s_max_size/BLOCK_SIZE)) {

                printk("minix_bmap: block>big");

        } else if (block < 7) {

                offsets[n++] = block;

        } else if ((block -= 7) < 256) {

                offsets[n++] = 7;

                offsets[n++] = block;

        } else if ((block -= 256) < 256*256) {

                offsets[n++] = 8;

                offsets[n++] = block>>8;

                offsets[n++] = block & 255;

        } else {

                block -= 256*256;

                offsets[n++] = 9;

                offsets[n++] = block>>16;

                offsets[n++] = (block>>8) & 255;

                offsets[n++] = block & 255;

        }

        return n;

}

#include "itree_common.c"

int V2_minix_get_block(struct inode * inode, long block,

                        struct buffer_head *bh_result, int create)

{

        return get_block(inode, block, bh_result, create);

}

void V2_minix_truncate(struct inode * inode)

{

        truncate(inode);

}