[DFS] Support 9PFS #10990
[DFS] Support 9PFS #10990
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📌 Code Review Assignment🏷️ Tag: componentsReviewers: Maihuanyi Changed Files (Click to expand)
📊 Current Review Status (Last Updated: 2025-12-02 12:05 CST)
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Pull request overview
This PR adds support for the 9P (Plan 9 Filesystem Protocol) to RT-Thread's DFS (Device File System), enabling RT-Thread to share filesystems with virtual machines such as QEMU. The implementation provides a complete 9PFS client that can communicate with 9P servers over various transports.
Key Changes
- Implementation of 9P protocol client with support for file operations (read, write, open, close, etc.)
- Integration with RT-Thread's DFS layer through filesystem operations structure
- Support for protocol transport abstraction allowing different backend implementations
- Configuration support through Kconfig with appropriate dependencies
Reviewed changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated 17 comments.
Show a summary per file
| File | Description |
|---|---|
| components/dfs/dfs_v1/filesystems/9pfs/dfs_9pfs.h | Header file defining 9P protocol constants, structures, and API declarations |
| components/dfs/dfs_v1/filesystems/9pfs/dfs_9pfs.c | Complete 9PFS client implementation with DFS integration |
| components/dfs/dfs_v1/filesystems/9pfs/SConscript | Build script for compiling 9PFS components |
| components/dfs/Kconfig | Configuration option to enable 9PFS support with dependencies |
| components/finsh/msh_file.c | Updated mount command to recognize "9p" filesystem type |
Note: Several critical bugs were identified in the implementation that should be addressed before merging, particularly around error handling, buffer management, and correct use of protocol fields.
What is 9PFS (https://en.wikipedia.org/wiki/9P_(protocol)): 9P (or the Plan 9 Filesystem Protocol or Styx) is a network protocol developed for the Plan 9 from Bell Labs distributed operating system as the means of connecting the components of a Plan 9 system. Files are key objects in Plan 9. They represent windows, network connections, processes, and almost anything else available in the operating system. rt-thread could share filesystem in VM mode with 9pfs such as QEMU... Signed-off-by: GuEe-GUI <2991707448@qq.com>
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@Rbb666 AI 相关问题已修改 |
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拉取/合并请求描述：(PR description)
[
What is 9PFS (https://en.wikipedia.org/wiki/9P_(protocol)): 9P (or the Plan 9 Filesystem Protocol or Styx) is a network protocol developed for the Plan 9 from Bell Labs distributed operating system as the means of connecting the components of a Plan 9 system. Files are key objects in Plan 9. They represent windows, network connections, processes, and almost anything else available in the operating system.
rt-thread could share filesystem in VM mode with 9pfs such as QEMU...
]
当前拉取/合并请求的状态 Intent for your PR
必须选择一项 Choose one (Mandatory):
代码质量 Code Quality：
我在这个拉取/合并请求中已经考虑了 As part of this pull request, I've considered the following:
#if 0代码，不包含已经被注释了的代码 All redundant code is removed and cleaned up