Filesystems in the Linux kernel¶
This under-development manual will, some glorious day, providecomprehensive information on how the Linux virtual filesystem (VFS) layerworks, along with the filesystems that sit below it. For now, what we havecan be found below.
Core VFS documentation¶
See these manuals for documentation about the VFS layer itself and how itsalgorithms work.
- Overview of the Linux Virtual File System
- Pathname lookup
- Linux Filesystems API summary
- splice and pipes
- Locking
- Directory Locking
- The Devpts Filesystem
- Linux Directory Notification
- Fiemap Ioctl
- File management in the Linux kernel
- File Locking Release Notes
- Mandatory File Locking For The Linux Operating System
- fILESYSTEM Mount API
- PARAMETER DESCRIPTION
- Quota subsystem
- The seq_file Interface
- Shared Subtrees
- Accessing PCI device resources through sysfs
- Sysfs tagging
- Automount Support
- Filesystem Caching
- Changes since 2.5.0:
Filesystem support layers¶
Documentation for the support code within the filesystem layer for use infilesystem implementations.
Filesystems¶
Documentation for filesystem implementations.
- v9fs: Plan 9 Resource Sharing for Linux
- Acorn Disc Filing System - ADFS
- Overview of Amiga Filesystems
- kAFS: AFS FILESYSTEM
- autofs - how it works
- Purpose
- Context
- Content
- Mount Traps
- Mountpoint expiry
- Communicating with autofs: detecting the daemon
- Communicating with autofs: the event pipe
- Communicating with autofs: root directory ioctls
- Communicating with autofs: char-device ioctls
- Catatonic mode
- The “ignore” mount option
- autofs, name spaces, and shared mounts
- Miscellaneous Device control operations for the autofs kernel module
- BeOS filesystem for Linux
- BFS Filesystem for Linux
- BTRFS
- Mounting root file system via SMB (cifs.ko)
- Ceph Distributed File System
- Coda Kernel-Venus Interface
- Configfs - Userspace-driven Kernel Object Configuration
- What is configfs?
- Using configfs
- Configuring FakeNBD: an Example
- Coding With configfs
- struct config_item
- struct config_item_type
- struct configfs_attribute
- struct configfs_bin_attribute
- struct config_group
- struct configfs_subsystem
- An Example
- Hierarchy Navigation and the Subsystem Mutex
- Item Aggregation Via symlink(2)
- Automatically Created Subgroups
- Dependent Subsystems
- Committable Items
- Cramfs - cram a filesystem onto a small ROM
- DebugFS
- DLMFS
- eCryptfs: A stacked cryptographic filesystem for Linux
- efivarfs - a (U)EFI variable filesystem
- Enhanced Read-Only File System - EROFS
- The Second Extended Filesystem
- Options
- Specification
- References
- Ext3 Filesystem
- WHAT IS Flash-Friendly File System (F2FS)?
- Global File System
- uevents and GFS2
- Glock internal locking rules
- Macintosh HFS Filesystem for Linux
- Macintosh HFSPlus Filesystem for Linux
- Read/Write HPFS 2.09
- FUSE
- Fuse I/O Modes
- Inotify - A Powerful yet Simple File Change Notification System
- ISO9660 Filesystem
- NILFS2
- NFS
- The Linux NTFS filesystem driver
- OCFS2 filesystem
- OCFS2 file system - online file check
- Optimized MPEG Filesystem (OMFS)
- ORANGEFS
- Overlay Filesystem
- The /proc Filesystem
- The QNX6 Filesystem
- Ramfs, rootfs and initramfs
- relay interface (formerly relayfs)
- ROMFS - ROM File System
- SPU Filesystem
- Squashfs 4.0 Filesystem
- sysfs - _The_ filesystem for exporting kernel objects
- SystemV Filesystem
- Tmpfs
- UBI File System
- Introduction
- UBIFS Authentication
- Future Extensions
- References
- UDF file system
- virtiofs: virtio-fs host<->guest shared file system
- VFAT
- XFS Delayed Logging Design
- XFS Self Describing Metadata
- ZoneFS - Zone filesystem for Zoned block devices