[PATCH v2 02/12] docs: path-lookup: update path_to_nameidata() part
From: Fox Chen <hidden>
Date: 2021-03-16 05:48:25
Also in:
lkml
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
No path_to_namei() anymore, step_into() will be called.
Related commit: commit c99687a03a78 ("fold path_to_nameidata()
into its only remaining caller")
Signed-off-by: Fox Chen <redacted>
---
Documentation/filesystems/path-lookup.rst | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/Documentation/filesystems/path-lookup.rst b/Documentation/filesystems/path-lookup.rst
index d07766375e13..a29d714431a3 100644
--- a/Documentation/filesystems/path-lookup.rst
+++ b/Documentation/filesystems/path-lookup.rst@@ -455,9 +455,10 @@ 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 -``path_to_nameidata()`` to install the new ``struct path`` in the -``struct nameidata`` and drop the unneeded references. +different from the previous ``vfsmount`` will be created. Then if there is +symbolic link, ``step_into()`` calls ``pick_link()`` to deal with it, otherwise +installs the new ``struct path`` in the ``struct nameidata`` and drop the +unneeded references. This "hand-over-hand" sequencing of getting a reference to the new dentry before dropping the reference to the previous dentry may
--
2.30.2