diff --git a/Fennix Kernel.code-workspace b/Fennix Kernel.code-workspace index 0adc5225..01b8e941 100644 --- a/Fennix Kernel.code-workspace +++ b/Fennix Kernel.code-workspace @@ -37,7 +37,9 @@ "kernel/drivers", "kernel/elf", "kernel/scheduler", - "kernel/tty" + "kernel/tty", + "kernel/std", + "kernel/vfs" ] } } diff --git a/Kernel/include/filesystem.hpp b/Kernel/include/filesystem.hpp index f41c50d2..7003cde3 100644 --- a/Kernel/include/filesystem.hpp +++ b/Kernel/include/filesystem.hpp @@ -161,7 +161,11 @@ namespace vfs int UnregisterFileSystem(dev_t Device); void AddRoot(Inode *Root); + void AddRootAt(Inode *Root, size_t Index); + bool SetRootAt(Inode *Root, size_t Index); + void RemoveRoot(Inode *Root); FileNode *GetRoot(size_t Index); + bool RootExists(size_t Index); FileNode *Create(FileNode *Parent, const char *Name, mode_t Mode); FileNode *ForceCreate(FileNode *Parent, const char *Name, mode_t Mode); diff --git a/Kernel/storage/filesystem.cpp b/Kernel/storage/filesystem.cpp index 2ca81220..aa273d1a 100644 --- a/Kernel/storage/filesystem.cpp +++ b/Kernel/storage/filesystem.cpp @@ -37,6 +37,43 @@ namespace vfs FileSystemRoots->Children.push_back(Root); } + void Virtual::AddRootAt(Inode *Root, size_t Index) + { + SmartLock(VirtualLock); + if (Index >= FileSystemRoots->Children.size()) + FileSystemRoots->Children.resize(Index + 1); + + FileSystemRoots->Children[Index] = Root; + if (FileSystemRoots->Children[Index] == nullptr) + FileSystemRoots->Children[Index] = Root; + else + debug("Root %ld already exists", Index); + } + + bool Virtual::SetRootAt(Inode *Root, size_t Index) + { + SmartLock(VirtualLock); + assert(Index < FileSystemRoots->Children.size()); + + if (FileSystemRoots->Children[Index] != nullptr) + return false; + FileSystemRoots->Children[Index] = Root; + return true; + } + + void Virtual::RemoveRoot(Inode *Root) + { + SmartLock(VirtualLock); + for (size_t i = 0; i < FileSystemRoots->Children.size(); i++) + { + if (FileSystemRoots->Children[i] != Root) + continue; + FileSystemRoots->Children[i] = nullptr; + break; + } + debug("removed root %p", Root); + } + FileNode *Virtual::GetRoot(size_t Index) { assert(Index < FileSystemRoots->Children.size()); @@ -46,6 +83,7 @@ namespace vfs return it->second; Inode *rootNode = FileSystemRoots->Children[Index]; + assert(rootNode != nullptr); char rootName[128]{}; snprintf(rootName, sizeof(rootName), "\x06root-%ld\x06", Index); FileNode *ret = this->CreateCacheNode(nullptr, rootNode, rootName, 0); @@ -53,6 +91,13 @@ namespace vfs return ret; } + bool Virtual::RootExists(size_t Index) + { + if (Index >= FileSystemRoots->Children.size()) + return false; + return FileSystemRoots->Children[Index] != nullptr; + } + FileNode *Virtual::Create(FileNode *Parent, const char *Name, mode_t Mode) { FileNode *existingNode = this->GetByPath(Name, Parent);