Subversion Repositories test_project

#include <linux/buffer_head.h>

#include "minix.h"

enum {DEPTH = 3, DIRECT = 7};   /* Only double indirect */

typedef u16 block_t;    /* 16 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 *)minix_i(inode)->u.i1_data;

}

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

{

        int n = 0;

        char b[BDEVNAME_SIZE];

        if (block < 0) {

                printk("MINIX-fs: block_to_path: block %ld < 0 on dev %s\n",

                        block, bdevname(inode->i_sb->s_bdev, b));

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

                if (printk_ratelimit())

                        printk("MINIX-fs: block_to_path: "

                               "block %ld too big on dev %s\n",

                                block, bdevname(inode->i_sb->s_bdev, b));

        } else if (block < 7) {

                offsets[n++] = block;

        } else if ((block -= 7) < 512) {

                offsets[n++] = 7;

                offsets[n++] = block;

        } else {

                block -= 512;

                offsets[n++] = 8;

                offsets[n++] = block>>9;

                offsets[n++] = block & 511;

        }

        return n;

}

#include "itree_common.c"

int V1_minix_get_block(struct inode * inode, long block,

                        struct buffer_head *bh_result, int create)

{

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

}

void V1_minix_truncate(struct inode * inode)

{

        truncate(inode);

}

unsigned V1_minix_blocks(loff_t size, struct super_block *sb)

{

        return nblocks(size, sb);

}