[PATCH v2 01/12] docs: path-lookup: update follow_managed() part

Fox Chen
2021-03-16T05:48:25Z

No follow_managed() anymore, handle_mounts(),
traverse_mounts(), will do the job.
see commit 9deed3ebca24 ("new helper: traverse_mounts()")

Signed-off-by: Fox Chen <foxhlchen@gmail.com>
---
Documentation/filesystems/path-lookup.rst | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/filesystems/path-lookup.rst b/Documentation/filesystems/path-lookup.rst
index c482e1619e77..d07766375e13 100644
--- a/Documentation/filesystems/path-lookup.rst
+++ b/Documentation/filesystems/path-lookup.rst
@@ -448,10 +448,11 @@ described. If it finds a ``LAST_NORM`` component it first calls
filesystem to revalidate the result if it is that sort of filesystem.
If that doesn't get a good result, it calls "``lookup_slow()``" which
takes ``i_rwsem``, rechecks the cache, and then asks the filesystem
-to find a definitive answer. Each of these will call
-``follow_managed()`` (as described below) to handle any mount points.
+to find a definitive answer.

-In the absence of symbolic links, ``walk_component()`` creates a new
+As the last step of ``walk_component()``, ``step_into()`` will be called either
+directly from walk_component() or from handle_dots(). It calls
+``handle_mount()``, to check and handle mount points, in which a new
``struct path`` containing a counted reference to the new dentry and a
reference to the new ``vfsmount`` which is only counted if it is
different from the previous ``vfsmount``. It then calls
@@ -535,8 +536,7 @@ covered in greater detail in autofs.txt in the Linux documentation
tree, but a few notes specifically related to path lookup are in order
here.

-The Linux VFS has a concept of "managed" dentries which is reflected
-in function names such as "``follow_managed()``". There are three
+The Linux VFS has a concept of "managed" dentries. There are three
potentially interesting things about these dentries corresponding
to three different flags that might be set in ``dentry->d_flags``:

--
2.30.2