backing_file_user_path
EXPORT_SYMBOL_GPL(backing_file_user_path);
path_put(backing_file_user_path(f));
mnt_put_write_access(backing_file_user_path(file)->mnt);
error = mnt_get_write_access(backing_file_user_path(f)->mnt);
const struct path *backing_file_user_path(const struct file *f);
return backing_file_user_path(f);
return d_inode(backing_file_user_path(f)->dentry);