vfs_internal.hpp

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#pragma once
 
#include "mount.hpp"
#include "spinlock.hpp"
#include "vfs.hpp"
 
namespace vfs {
 
static constexpr size_t kMaxPathLength = 4096;
 
struct VfsState {
  bool initialized = false;
  MountTable* mount_table = nullptr;
  Dentry* root_dentry = nullptr;
  SpinLock vfs_lock_{"vfs"};
};
 
// 获取 VFS 状态
[[nodiscard]] auto GetVfsState() -> VfsState&;
 
[[nodiscard]] auto SkipLeadingSlashes(const char* path) -> const char*;
 
[[nodiscard]] auto CopyPathComponent(const char* src, char* dst,
                                     size_t dst_size) -> size_t;
 
[[nodiscard]] auto FindChild(Dentry* parent, const char* name) -> Dentry*;
 
auto AddChild(Dentry* parent, Dentry* child) -> void;
 
auto RemoveChild(Dentry* parent, Dentry* child) -> void;
 
}  // namespace vfs