index.rst

Filesystems in the Linux kernel

This under-development manual will, some glorious day, provide comprehensive information on how the Linux virtual filesystem (VFS) layer works, along with the filesystems that sit below it. For now, what we have can be found below.

Core VFS documentation

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

.. toctree::
   :maxdepth: 2

   vfs
   path-lookup
   api-summary
   splice
   locking
   directory-locking

   porting

Filesystem support layers

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

.. toctree::
   :maxdepth: 2

   journalling
   fscrypt
   fsverity

Filesystems

Documentation for filesystem implementations.

.. toctree::
   :maxdepth: 2

   virtiofs