linux-kernel - [PATCH v2 02/12] docs: path-lookup: update path_to

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Date:   Tue, 16 Mar 2021 13:47:17 +0800
From:   Fox Chen <foxhlchen@...il.com>
To:     neilb@...e.de
Cc:     Fox Chen <foxhlchen@...il.com>, corbet@....net,
        vegard.nossum@...cle.com, viro@...iv.linux.org.uk,
        rdunlap@...radead.org, grandmaster@...klimov.de,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org
Subject: [PATCH v2 02/12] docs: path-lookup: update path_to_nameidata() part

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 <foxhlchen@...il.com>
---
 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