linux-kernel - [PATCH 1/2] fs/namespace: corrent/improve kernel-doc notation

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Date:   Wed, 17 Mar 2021 19:52:25 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org
Subject: [PATCH 1/2] fs/namespace: corrent/improve kernel-doc notation

Fix kernel-doc warnings in fs/namespace.c:

./fs/namespace.c:1379: warning: Function parameter or member 'm' not described in 'may_umount_tree'
./fs/namespace.c:1379: warning: Excess function parameter 'mnt' description in 'may_umount_tree'
./fs/namespace.c:1950: warning: Function parameter or member 'path' not described in 'clone_private_mount'

Also convert path_is_mountpoint() comments to kernel-doc.

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.org
---
Jon, Al has OK-ed you to merge this patch (and the next one, please).

 fs/namespace.c |   14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

--- linux-next-20210317.orig/fs/namespace.c
+++ linux-next-20210317/fs/namespace.c
@@ -1242,8 +1242,9 @@ struct vfsmount *mntget(struct vfsmount
 }
 EXPORT_SYMBOL(mntget);
 
-/* path_is_mountpoint() - Check if path is a mount in the current
- *                          namespace.
+/**
+ * path_is_mountpoint() - Check if path is a mount in the current namespace.
+ * @path: path to check
  *
  *  d_mountpoint() can only be used reliably to establish if a dentry is
  *  not mounted in any namespace and that common case is handled inline.
@@ -1369,7 +1370,7 @@ void mnt_cursor_del(struct mnt_namespace
 
 /**
  * may_umount_tree - check if a mount tree is busy
- * @mnt: root of mount tree
+ * @m: root of mount tree
  *
  * This is called to check if a tree of mounts has any
  * open files, pwds, chroots or sub mounts that are
@@ -1939,10 +1940,11 @@ void drop_collected_mounts(struct vfsmou
 
 /**
  * clone_private_mount - create a private clone of a path
+ * @path: path to clone
  *
- * This creates a new vfsmount, which will be the clone of @path.  The new will
- * not be attached anywhere in the namespace and will be private (i.e. changes
- * to the originating mount won't be propagated into this).
+ * This creates a new vfsmount, which will be the clone of @path.  The new mount
+ * will not be attached anywhere in the namespace and will be private (i.e.
+ * changes to the originating mount won't be propagated into this).
  *
  * Release with mntput().
  */