Linux ファイルシステム API

Linux VFS

Core VFS documentation

See these manuals for documentation about the VFS layer itself and how its algorithms work.

• Overview of the Linux Virtual File System
  • Introduction
  • Registering and Mounting a Filesystem
  • The Superblock Object
  • The Inode Object
  • The Address Space Object
  • The File Object
  • Directory Entry Cache (dcache)
  • Mount Options
  • Resources
• Pathname lookup
  • Introduction to pathname lookup
  • RCU-walk - faster pathname lookup in Linux
  • A walk among the symlinks
• Linux Filesystems API summary
  • The Linux VFS
  • The proc filesystem
  • Events based on file descriptors
  • The Filesystem for Exporting Kernel Objects
  • The debugfs filesystem
• splice and pipes
  • splice API
  • pipes API
• Locking
  • dentry_operations
  • inode_operations
  • xattr_handler operations
  • super_operations
  • file_system_type
  • address_space_operations
  • file_lock_operations
  • lock_manager_operations
  • buffer_head
  • block_device_operations
  • file_operations
  • dquot_operations
  • vm_operations_struct
• Directory Locking
• Changes since 2.5.0:

Filesystem support layers

Documentation for the support code within the filesystem layer for use in filesystem implementations.

• The Linux Journalling API
  • Overview
  • Data Types
  • Functions
  • See also
• Filesystem-level encryption (fscrypt)
  • Introduction
  • Threat model
  • Key hierarchy
  • Encryption modes and usage
  • User API
  • Access semantics
  • Encryption policy enforcement
  • Implementation details
  • Tests
• fs-verity: read-only file-based authenticity protection
  • Introduction
  • Use cases
  • User API
  • Accessing verity files
  • File measurement computation
  • Built-in signature verification
  • Filesystem support
  • Implementation details
  • Userspace utility
  • Tests
  • FAQ

Filesystems

Documentation for filesystem implementations.

• virtiofs: virtio-fs host<->guest shared file system
  • Introduction
  • Usage
  • Internals