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Message-Id: <20210316054727.25655-10-foxhlchen@gmail.com>
Date: Tue, 16 Mar 2021 13:47:24 +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 09/12] docs: path-lookup: no get_link()
no get_link() anymore. we have step_into() and pick_link().
walk_component() will call step_into(), in turn call pick_link,
and return symlink name.
Signed-off-by: Fox Chen <foxhlchen@...il.com>
---
Documentation/filesystems/path-lookup.rst | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/Documentation/filesystems/path-lookup.rst b/Documentation/filesystems/path-lookup.rst
index 8ab95dd9046e..0d41c61f7e4f 100644
--- a/Documentation/filesystems/path-lookup.rst
+++ b/Documentation/filesystems/path-lookup.rst
@@ -1103,12 +1103,10 @@ doesn't need to notice. Getting this ``name`` variable on and off the
stack is very straightforward; pushing and popping the references is
a little more complex.
-When a symlink is found, ``walk_component()`` returns the value ``1``
-(``0`` is returned for any other sort of success, and a negative number
-is, as usual, an error indicator). This causes ``get_link()`` to be
-called; it then gets the link from the filesystem. Providing that
-operation is successful, the old path ``name`` is placed on the stack,
-and the new value is used as the ``name`` for a while. When the end of
+When a symlink is found, ``walk_component()`` calls ``pick_link()``,
+it then gets the link from the filesystem returning new path ``name``.
+Providing that operation is successful, the old path ``name`` is placed on the
+stack, and the new value is used as the ``name`` for a while. When the end of
the path is found (i.e. ``*name`` is ``'\0'``) the old ``name`` is restored
off the stack and path walking continues.
--
2.30.2
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