linux-kernel - [PATCH 2/3] vfs: export vfs_path

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Date:   Tue, 25 Oct 2016 09:34:46 +0200
From:   Miklos Szeredi <mszeredi@...hat.com>
To:     linux-unionfs@...r.kernel.org
Cc:     Guillem Jover <guillem@...ian.org>,
        Raphael Hertzog <hertzog@...ian.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] vfs: export vfs_path_lookup()

Exported to modules, but currently residing in fs/internal.h due to commit
197df04c749a ("rename user_path_umountat() to user_path_mountpoint_at()").

Move back to <linux/namei.h> so that overlayfs can make use of it.

Signed-off-by: Miklos Szeredi <mszeredi@...hat.com>
---
 fs/internal.h         | 2 --
 include/linux/namei.h | 2 ++
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/internal.h b/fs/internal.h
index f4da3341b4a3..800319d11291 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -53,8 +53,6 @@ extern void __init chrdev_init(void);
  * namei.c
  */
 extern int user_path_mountpoint_at(int, const char __user *, unsigned int, struct path *);
-extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
-			   const char *, unsigned int, struct path *);
 
 /*
  * namespace.c
diff --git a/include/linux/namei.h b/include/linux/namei.h
index f29abda31e6d..2375bc50a9d3 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -78,6 +78,8 @@ extern struct dentry *user_path_create(int, const char __user *, struct path *,
 extern void done_path_create(struct path *, struct dentry *);
 extern struct dentry *kern_path_locked(const char *, struct path *);
 extern int kern_path_mountpoint(int, const char *, struct path *, unsigned int);
+extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
+			   const char *, unsigned int, struct path *);
 
 extern struct dentry *lookup_one_len(const char *, struct dentry *, int);
 extern struct dentry *lookup_one_len_unlocked(const char *, struct dentry *, int);
-- 
2.5.5