[dfs][posix] Add record locks, fchmod, and tmpfs metadata

2026-08-30T12:49:24Z

为 DFS v2 增加 POSIX 记录锁、fchmod，以及 tmpfs 的权限和时间元数据。进程退出时通过 dfs_fdtable_drop_fd 释放文件描述符和记录锁。

Add AF_UNIX sockets implementation (#11681)

2026-08-17T09:15:34Z

* components/dfs: support unix socket nodes AF_UNIX pathname binding and descriptor passing require DFSv2 socket nodes and retained open file descriptions across fd tables. Add socket-node creation for tmpfs and devtmpfs, fd reference helpers, and socket F_SETFL forwarding. Impact: DFSv2 socket nodes and descriptor reference handling. Validation: git diff --cached --check. * components/net/sal: support local protocol providers Local IPC protocol families do not have a backing network device. Store the selected provider in each SAL socket and add a local provider registry while preserving netdev checks for Internet sockets. Handle DFSv2 close semantics, socketpair flags, and MSG_CTRUNC for AF_UNIX integration. Impact: SAL protocol dispatch for all socket families. Validation: git diff --cached --check. * components/lwp: support unix socket messages Musl AF_UNIX addresses and ancillary data require explicit ABI and user-memory conversion at the LWP syscall boundary. Add the musl msghdr layout, bounded address and message copying, control-message level conversion, and MSG_CTRUNC translation. Correct receive buffer allocation and copy lengths while handling messages. Impact: LWP socket syscalls when SAL is enabled. Validation: git diff --cached --check. * components/net/af_unix: add local sockets Add an opt-in AF_UNIX provider for pathname-based local IPC without a synthetic network device. Support datagram and stream sockets, blocking and nonblocking I/O, timeouts, poll, socketpair, and SCM_RIGHTS descriptor passing. Include bounded Kconfig settings, component documentation, and utest coverage. Impact: enabled only by RT_USING_AF_UNIX and requires SAL POSIX with DFSv2. Validation: git diff --cached --check. * Fix AF_UNIX CI checks Apply the repository clang-format rules to the affected source lines. Suppress the cppcheck false positive for the devtmpfs list iterator. No functional behavior is changed. * components/lwp: preserve NULL optional msghdr buffers When msg_name or msg_control is NULL, keep the kernel pointer NULL instead of substituting an uninitialized buffer. Reject a NULL control buffer with a nonzero length as EFAULT. Impact: LWP sendmsg/recvmsg conversion on MMU targets. Validation: git diff --cached --check. * components/net/af_unix: fix poll UAF, namespace leak, and SCM_RIGHTS cycles Poll only the local wait queue and wake writers from the receiver. Free namespace entries on detach, and reject AF_UNIX descriptors in SCM_RIGHTS until cycle collection exists. Impact: AF_UNIX poll, bind lifetime, and descriptor passing. Validation: git diff --cached --check. * components/dfs: add DFSv2 AF_UNIX utest suite Add opt-in tests under dfs/utest/v2/af_unix for socket nodes, IPC, poll peer-close, namespace cleanup, and SCM_RIGHTS rejection. Sources are built only when RT_UTEST_TC_USING_DFS_V2_AF_UNIX and the selected test groups are enabled. Impact: DFS utest menu and build; no production AF_UNIX behavior change. Validation: git diff --cached --check.

[fix][dfs] 增加文件系统操作的类型检查，防止类型不匹配导致数据结构不一致引发的异常

2026-08-06T03:18:51Z

fix:[dfs]ls在文件名太长时打印出来的文件名与大小连接在一起,无法区分

2025-11-07T08:59:23Z

[components/dfs]add doxygen comments for dfs_file.c in dfs_v2.

2025-08-04T01:49:45Z

[bugfix][component/dfs] fix bugs for function _get_parent_path(). (#10539)

2025-07-31T09:36:28Z

* [bugfix][component/dfs]1.Skip the trailing slash character failed. 2. Scenario that parent path is root is not considered. * replace strdup() by rt_strdup(). * free memory after strdup(). * fix issue of not appending '\0' at end when parent path is root.

【修复】修复link系统调用返回值问题

2024-08-25T14:57:38Z

【修复】修复symlink系统调用返回值不是预期问题

2024-08-25T14:56:03Z

fix symlink (#8755)

2024-04-10T15:55:29Z

Signed-off-by: geniusgogo

[dfsv2] add dfs pwrite pread

2024-04-10T02:26:58Z

rt-thread.git/components/dfs/dfs_v2/src/dfs_file.c, branch master