struct buffer_head * sysv_getblk(struct inode * inode, unsigned int block,
int create, char * *start)
{
struct super_block * sb = inode->i_sb;
struct buffer_head * bh;
if (block < 10)
return inode_getblk(inode,block,create,start);
block -= 10;
if (block < sb->sv_ind_per_block) {
bh = inode_getblk(inode,10,create,start);
return block_getblk(inode, bh, block, create, start);
}
block -= sb->sv_ind_per_block;
if (block < sb->sv_ind_per_block_2) {
bh = inode_getblk(inode,11,create,start);
bh = block_getblk(inode, bh, block >> sb->sv_ind_per_block_bits, create, start);
return block_getblk(inode, bh, block & sb->sv_ind_per_block_1, create, start);
}
struct buffer_head * minix_getblk(struct inode * inode, int block, int create)
{
struct buffer_head * bh;
if (block<0) {
printk("minix_getblk: block<0");
return NULL;
}
if (block >= 7+512+512*512) {
printk("minix_getblk: block>big");
return NULL;
}
if (block < 7)
return inode_getblk(inode,block,create);
block -= 7;
if (block < 512) {
bh = inode_getblk(inode,7,create);
return block_getblk(bh,block,create);
}
block -= 512;
bh = inode_getblk(inode,8,create);
bh = block_getblk(bh,block>>9,create);
return block_getblk(bh,block & 511,create);
}
