vfs::Dentry Struct Reference

Dentry — 目录项缓存（路径名 ↔ Inode 的映射） More...

#include <vfs.hpp>

Collaboration diagram for vfs::Dentry:

Public Attributes
char	name [256] {}
	文件/目录名
Inode *	inode {nullptr}
	关联的 inode
Dentry *	parent {nullptr}
	父目录项
Dentry *	children {nullptr}
	子目录项链表头
Dentry *	next_sibling {nullptr}
	兄弟目录项（同一父目录下）
void *	fs_private {nullptr}
	文件系统私有数据
uint32_t	ref_count {0}
	引用计数（打开的 File 数量）
bool	deleted {false}
	标记为已删除（unlink/rmdir 时 ref_count > 0）

Detailed Description

Dentry — 目录项缓存（路径名 ↔ Inode 的映射）

Dentry 构成一棵树，反映目录层次结构。 支持路径查找加速。

Definition at line 41 of file vfs.hpp.

Member Data Documentation

children

Dentry* vfs::Dentry::children {nullptr}

子目录项链表头

Definition at line 49 of file vfs.hpp.

{nullptr};

deleted

bool vfs::Dentry::deleted {false}

标记为已删除（unlink/rmdir 时 ref_count > 0）

Definition at line 57 of file vfs.hpp.

{false};

fs_private

void* vfs::Dentry::fs_private {nullptr}

文件系统私有数据

Definition at line 53 of file vfs.hpp.

{nullptr};

inode

Inode* vfs::Dentry::inode {nullptr}

关联的 inode

Definition at line 45 of file vfs.hpp.

{nullptr};

name

char vfs::Dentry::name[256] {}

文件/目录名

Definition at line 43 of file vfs.hpp.

{};

next_sibling

Dentry* vfs::Dentry::next_sibling {nullptr}

兄弟目录项（同一父目录下）

Definition at line 51 of file vfs.hpp.

{nullptr};

parent

Dentry* vfs::Dentry::parent {nullptr}

父目录项

Definition at line 47 of file vfs.hpp.

{nullptr};

ref_count

uint32_t vfs::Dentry::ref_count {0}

引用计数（打开的 File 数量）

Definition at line 55 of file vfs.hpp.

{0};

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The documentation for this struct was generated from the following file:

• /workspaces/SimpleKernel/src/filesystem/vfs/include/vfs.hpp