b048630e5b
We used to block on all process access. This meant that shell reading the keyboard input would block all VFS access making disk accesses practically impossible. We now block only when it is necessary :)
46 lines
979 B
C++
46 lines
979 B
C++
#pragma once
|
|
|
|
#include <BAN/String.h>
|
|
#include <BAN/Vector.h>
|
|
#include <kernel/FS/FileSystem.h>
|
|
#include <kernel/SpinLock.h>
|
|
|
|
namespace Kernel
|
|
{
|
|
|
|
class VirtualFileSystem : public FileSystem
|
|
{
|
|
public:
|
|
static BAN::ErrorOr<void> initialize(BAN::StringView);
|
|
static VirtualFileSystem& get();
|
|
virtual ~VirtualFileSystem() {};
|
|
|
|
virtual BAN::RefPtr<Inode> root_inode() override { return m_root_fs->root_inode(); }
|
|
|
|
BAN::ErrorOr<void> mount(BAN::StringView, BAN::StringView);
|
|
BAN::ErrorOr<void> mount(FileSystem*, BAN::StringView);
|
|
|
|
struct File
|
|
{
|
|
BAN::RefPtr<Inode> inode;
|
|
BAN::String canonical_path;
|
|
};
|
|
BAN::ErrorOr<File> file_from_absolute_path(BAN::StringView);
|
|
|
|
private:
|
|
VirtualFileSystem() = default;
|
|
|
|
struct MountPoint
|
|
{
|
|
File host;
|
|
FileSystem* target;
|
|
};
|
|
MountPoint* mount_point_for_inode(BAN::RefPtr<Inode>);
|
|
|
|
private:
|
|
SpinLock m_lock;
|
|
FileSystem* m_root_fs = nullptr;
|
|
BAN::Vector<MountPoint> m_mount_points;
|
|
};
|
|
|
|
} |