150dea15cb
[ Upstream commit4727dc20e0] PF_IO_WORKER are kernel threads too, but they aren't PF_KTHREAD in the sense that we don't assign ->set_child_tid with our own structure. Just ensure that every arch sets up the PF_IO_WORKER threads like kthreads in the arch implementation of copy_thread(). Change-Id: Iec4a3c42a39f016b323476d7238f3d36aaf0e6cf Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit320c8057ec) Bug: 268174392 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>