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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-02 00:49:18 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2008-10-23 03:34:19 -0400
commitd181146572c4fa9af2a068b967cb53dcac7da944 (patch)
tree35919e1675740059cf9336c7dbff0ef35032351c /fs/namei.c
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
downloadlinux-d181146572c4fa9af2a068b967cb53dcac7da944.tar.gz
[PATCH] new helper - kern_path()
Analog of lookup_path(), takes struct path *.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 4ea63ed5e791..4a56f9b59e8c 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1106,6 +1106,15 @@ int path_lookup(const char *name, unsigned int flags,
 	return do_path_lookup(AT_FDCWD, name, flags, nd);
 }
 
+int kern_path(const char *name, unsigned int flags, struct path *path)
+{
+	struct nameidata nd;
+	int res = do_path_lookup(AT_FDCWD, name, flags, &nd);
+	if (!res)
+		*path = nd.path;
+	return res;
+}
+
 /**
  * vfs_path_lookup - lookup a file path relative to a dentry-vfsmount pair
  * @dentry:  pointer to dentry of the base directory
@@ -2855,6 +2864,7 @@ EXPORT_SYMBOL(__page_symlink);
 EXPORT_SYMBOL(page_symlink);
 EXPORT_SYMBOL(page_symlink_inode_operations);
 EXPORT_SYMBOL(path_lookup);
+EXPORT_SYMBOL(kern_path);
 EXPORT_SYMBOL(vfs_path_lookup);
 EXPORT_SYMBOL(inode_permission);
 EXPORT_SYMBOL(vfs_permission);