+/**
+ * vfs_tmpfile_open - open a tmpfile for kernel internal use
+ * @mnt_userns: user namespace of the mount the inode was found from
+ * @parentpath: path of the base directory
+ * @mode: mode of the new tmpfile
+ * @open_flag: flags
+ * @cred: credentials for open
+ *
+ * Create and open a temporary file. The file is not accounted in nr_files,
+ * hence this is only for kernel internal use, and must not be installed into
+ * file tables or such.
+ */
+struct file *vfs_tmpfile_open(struct user_namespace *mnt_userns,
+ const struct path *parentpath,
+ umode_t mode, int open_flag, const struct cred *cred)
+{
+ struct file *file;
+ int error;
+
+ file = alloc_empty_file_noaccount(open_flag, cred);
+ if (!IS_ERR(file)) {
+ error = vfs_tmpfile(mnt_userns, parentpath, file, mode);
+ if (error) {
+ fput(file);
+ file = ERR_PTR(error);
+ }
+ }
+ return file;