2 #include <linux/minix_fs.h>
3 #include <linux/locks.h>
4 #include <linux/smp_lock.h>
6 enum {DEPTH = 3, DIRECT = 7}; /* Only double indirect */
8 typedef u16 block_t; /* 16 bit, host order */
10 static inline unsigned long block_to_cpu(block_t n)
15 static inline block_t cpu_to_block(unsigned long n)
20 static inline block_t *i_data(struct inode *inode)
22 return (block_t *)inode->u.minix_i.u.i1_data;
25 static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])
30 printk("minix_bmap: block<0");
31 } else if (block >= (inode->i_sb->u.minix_sb.s_max_size/BLOCK_SIZE)) {
32 printk("minix_bmap: block>big");
33 } else if (block < 7) {
35 } else if ((block -= 7) < 512) {
41 offsets[n++] = block>>9;
42 offsets[n++] = block & 511;
47 #include "itree_common.c"
49 int V1_minix_get_block(struct inode * inode, long block,
50 struct buffer_head *bh_result, int create)
52 return get_block(inode, block, bh_result, create);
55 void V1_minix_truncate(struct inode * inode)