iloveos/lib/fs/inode_allocator.cpp

30 lines
1007 B
C++

#include "fs.hpp"
INode_Allocator::INode_Allocator(Fs *fs, u_int64_t block_segment_start,
u_int64_t block_segment_end) {
fs = fs;
block_segment_start = block_segment_start;
block_segment_end = block_segment_end;
}
u_int64_t INode_Allocator::get_block_num(INode_Data *inode_data) {
u_int64_t block_num =
block_segment_start + (inode_data->inode_num / INODES_PER_BLOCK);
if (block_num >= block_segment_end)
return 0;
return block_num;
}
u_int64_t INode_Allocator::get_block_offset(INode_Data *inode_data) {
return (inode_data->inode_num % INODES_PER_BLOCK) * INODE_SIZE;
}
int INode_Allocator_Freelist::new_inode(u_int64_t uid, u_int64_t gid,
u_int64_t permissions,
INode_Data *inode_data) {
(*inode_data) = nullptr;
return -1;
}
int INode_Allocator_Freelist::free_inode(INode_Data *inode_data) { return -1; }
int INode_Allocator_Freelist::format() { return -1; }