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dentry functions.
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引用未定义变量导致编译报错的问题
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的问题
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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 <[email protected]>
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�起,无法区分
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Use "Test" instead of "Unit Testcases" to make string shorter.
Use uppercase to make it look more eye-catching.
Signed-off-by: Chen Wang <[email protected]>
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* [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.
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* doxygen: fs: unify groupname to lowercase
Signed-off-by: Chen Wang <[email protected]>
* doxygen: drivers: unify groupname to lowercase
Signed-off-by: Chen Wang <[email protected]>
* doxygen: signal: unify groupname to lowercase
Signed-off-by: Chen Wang <[email protected]>
---------
Signed-off-by: Chen Wang <[email protected]>
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This patch only updated the groups defined in documentation/0.doxygen.
Other groups will be moved into documentation/0.doxygen and updated at
that time.
Signed-off-by: Chen Wang <[email protected]>
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warning issue.
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* [components/libc/posix][pthreads]fix the risk of dangling pointer
* [components][dfs][dfs_elm]:fix risk of dangling pointer, unmount the temp driver then free the temp FATFS in dfs_elm_mkfs.
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This patch introduces a tagged pages allocator to address the existing problems
of page aliasing on specific platforms and the requirement of page coloring.
It implements an affinity-id aware page manager by separating the runtime page
list into two types: a normal single linked-list and a multi-dimensional affinity-list.
Changes:
- Introduced tagged pages allocator and managing algorithm for affinity pages list
- Modified components to support affinity-id list management
- Updated page allocation and freeing functions to handle tagged pages
- Added configuration options for page affinity block size and debugging
- Modified mmap and elf loading to respect affinity settings
- Enhanced page list management to support multi-dimensional affinity-list
Signed-off-by: Shell <[email protected]>
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* doxygen: add prefix for groups
Add "group_" prefix to doxygen group names. This makes
it easier to grep with group name later.
This patch only modifies the groups defined in the pathes
of INPUT of documentation/Doxyfile:
INPUT = . \
../src \
../include \
../components/finsh \
../components/drivers/include/drivers \
../components/drivers/clk \
../components/dfs/dfs_v2/src \
../components/dfs/dfs_v2/include
Other groups are not touched.
Signed-off-by: Chen Wang <[email protected]>
* ci: fixed error report when run file_check.py
Such as:
- "please delete extra space at the end of this line."
- "the RT-Thread error code should return negative value. e.g. return
-RT_ERROR"
Signed-off-by: Chen Wang <[email protected]>
---------
Signed-off-by: Chen Wang <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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* [dfs]mmap的文件在关闭后释放file指针
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* add procfs
* fix ref count check error
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separate dfs fs data structure ops
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To improve the readability of the menuconfig.
Signed-off-by: Shell <[email protected]>
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According to the POSIX.1, we should give a EBUSY on umount(2) of busy
filesystem.
Signed-off-by: Shell <[email protected]>
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This patch introduces a remount feature for the DFS, allowing for the
modification of mount parameters without unmounting the filesystem,
the remount functionality helps modify certain mount flags (like `MS_RDONLY`) without
requiring an unmount, providing more control over mounted filesystems in the system.
The updates is essential for user space init proc to cleanup the runtime
resource, ensuring clean handling of cached data and enhancing system
robustness during power down processing.
Changes:
- Defined new constants for remount flags in `dfs_fs.h`.
- Added the `dfs_remount()` function in `dfs_fs.c` to handle remount operations.
- Introduced a check for unsupported flags and handle error conditions such as invalid paths
or non-directory targets.
- Updated the `dfs_mnt` structure in `dfs_mnt.h` to include a read-only flag (`MNT_RDONLY`).
- The `dfs_remount()` function allows changing the read-only status of a mounted filesystem.
- Added `MNT_LAZY_UMNT` and `MNT_RDONLY` flags to `dfs_mnt` structure.
- Introduced `dfs_mnt_setflags` function for dynamic flag management.
- Updated `dfs_remount` to utilize `dfs_mnt_setflags` for flag setting.
- Enhanced unmount operations with `dfs_mnt_umount_iter` and lazy unmounting.
- Added `dfs_pcache_clean` to handle cache cleanup for read-only mounts.
- Improved error reporting in `dfs_umount` for better user feedback.
- Refactored `sys_mount` to streamline parameter handling and support remounts.
- Introduced `_cp_from_usr_string` helper for user-space string operations.
- Updated internal APIs to ensure consistency in reference count management.
Signed-off-by: Shell <[email protected]>
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The patch introduces support for system reboot functionality and process teardown,
allowing for a clean shutdown and unmounting of the root filesystem. This is
necessary for ensuring a proper system shutdown process, especially when dealing
with resource cleanup and ensuring that all processes have exited before system
shutdown.
Changes:
- Added `lwp_teardown()` function to handle process cleanup and system teardown.
- Introduced `lwp_pid_wait_for_empty()` to wait for process ID table emptiness
before proceeding with shutdown.
- Updated `dfs_mnt_unref()` to trigger callbacks when unmounting a filesystem.
- Added new reboot types (`RB_AUTOBOOT`, `RB_POWER_OFF`) and implemented their
corresponding actions, including cleanup of processes and unmounting root
filesystem.
- Extended `sys_reboot()` to handle reboot and power off types with appropriate
callbacks for process and filesystem teardown.
- Introduced callback mechanism for root filesystem unmount notifications.
Signed-off-by: Shell <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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