Luna/kernel/src/fs/tmpfs/FileSystem.cpp

#include "fs/tmpfs/FileSystem.h"
#include <luna/Alloc.h>

namespace TmpFS
{
    Result<SharedPtr<VFS::FileSystem>> FileSystem::create()
    {
        SharedPtr<FileSystem> fs = TRY(adopt_shared(new (std::nothrow) FileSystem()));
        SharedPtr<VFS::Inode> root = TRY(fs->create_file_inode());
        fs->set_root(root);
        return (SharedPtr<VFS::FileSystem>)fs;
    }

    Result<SharedPtr<VFS::Inode>> FileSystem::create_file_inode()
    {
        SharedPtr<Inode> inode = TRY(make_shared<Inode>());
        inode->set_fs(*this, {});
        inode->set_inode_number(m_next_inode_number, {});
        TRY(m_inodes.try_append(inode));
        m_next_inode_number++;
        return (SharedPtr<VFS::Inode>)inode;
    }

    void FileSystem::set_root(SharedPtr<VFS::Inode> root)
    {
        m_root_inode = root;
    }
}