doc(libfuse): enhance overlay documentation with architecture, data structure, and flow diagrams #244
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…tructure, and flow diagrams
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Pull Request Overview
This PR enhances the overlay.md documentation for libfuse-fs by replacing a simple component relationship diagram with comprehensive documentation including architecture overview, detailed data structure diagrams, and an operational flow diagram. The update transforms basic structural information into a complete reference that explains both the static architecture and dynamic behavior of the overlay filesystem implementation.
Key changes:
- Added high-level architecture diagram showing the interaction between user space components (libfuse-fs, PassthroughFS, OverlayFS) and kernel space (VFS, FUSE driver)
- Replaced simple component graph with detailed class diagram documenting all key data structures, their fields, methods, and relationships
- Added sequence diagram illustrating the complete file read operation flow from user action through kernel to filesystem implementation
Co-authored-by: Copilot <[email protected]>
Co-authored-by: Copilot <[email protected]>
Co-authored-by: Copilot <[email protected]>
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See
project/libfuse-fs/overlay.md