void ext4_create_resize_inode()
{
struct block_allocation *reserve_inode_alloc = create_allocation();
u32 reserve_inode_len = 0;
unsigned int i;
struct ext4_inode *inode = get_inode(EXT4_RESIZE_INO);
if (inode == NULL) {
error("failed to get resize inode");
return;
}
for (i = 0; i < aux_info.groups; i++) {
if (ext4_bg_has_super_block(i)) {
u64 group_start_block = aux_info.first_data_block + i *
info.blocks_per_group;
u32 reserved_block_start = group_start_block + 1 +
aux_info.bg_desc_blocks;
u32 reserved_block_len = info.bg_desc_reserve_blocks;
append_region(reserve_inode_alloc, reserved_block_start,
reserved_block_len, i);
reserve_inode_len += reserved_block_len;
}
}
inode_attach_resize(inode, reserve_inode_alloc);
inode->i_mode = S_IFREG | S_IRUSR | S_IWUSR;
inode->i_links_count = 1;
free_alloc(reserve_inode_alloc);
}
TEST_F(MemoryTest, AppendRegion) {
Region *region = test_mmr->base_region;
unsigned int original_size = remaining_space(test_mmr);
unsigned int size = 512;
Region *end_of_current = (Region *) (region->data + (uintptr_t) size);
append_region(test_mmr, end_of_current, size);
EXPECT_EQ(size - sizeof(Region), end_of_current->size);
EXPECT_EQ(1, end_of_current->free);
EXPECT_EQ(original_size - sizeof(Region), remaining_space(test_mmr));
}
int main (void){
int i;
region temp_region;
list* test = create_list();
list* lptr;
for(i = 0; i < 10; i++){
temp_region.region_start = i;
temp_region.region_stop = i+1;
push_region(temp_region, test);
}
temp_region.region_start = 100;
temp_region.region_stop = 200;
append_region(temp_region, test);
//printf("top->%d %d\n", top_region(test).region_start, top_region(test).region_stop);
walknprint(test, lptr);
printf("list is %d long\n", get_length(test));
//printf("found important: 0x%x %d %d\n", lptr, lptr->the_region.region_start, lptr->the_region.region_stop);
temp_region = tail_pull(test);
printf("pulled tail: %d %d\n", temp_region.region_start, temp_region.region_stop);
for(i = 0; i < 10; i++){
temp_region = pop_region(test);
printf("pop->%d %d\n", temp_region.region_start, temp_region.region_stop);
}
remove_list(test);
return(0);
}
