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);
}
void* profiler_allocf(mrb_state *mrb, void *p, size_t size, void *ud, const char *file, uint32_t line)
{
if (size == 0) {
allocation_t *prev = NULL;
allocation_t *curr = allocations_list;
// find associated entry
while( (curr != NULL) && (curr->address != p) ){
prev = curr;
curr = curr->next;
}
if( curr != NULL ){
// printf("[%s][%s:%d] free()\n", (const char *)ud, file, line);
if( prev ){
prev->next = curr->next;
}
else {
allocations_list = NULL;
}
destroy_allocation(curr);
}
else {
// printf("allocation not found: %s:%d !!! \n", file, line);
}
free(p);
return NULL;
}
else {
void *addr = realloc(p, size);
allocation_t *curr = create_allocation(mrb, file, line, addr, size);
if( allocations_list == NULL ){
allocations_list = curr;
}
else {
// find tip
allocation_t *tip = allocations_list_tip();
// and add it at the end
tip->next = curr;
}
// printf("[%s][%s:%d] malloc(%zd)\n", (const char *)ud, file, line, size);
// print_backtrace();
return addr;
}
}