diff --git a/fs/io_uring.c b/fs/io_uring.c index 98243d7f5f3daa34b6e9ae4c21f0d46b0f5838aa..c06b0c0808abc364cf03ddcde58f660f515dd4f5 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2335,6 +2335,12 @@ static int io_write(struct io_kiocb *req, struct io_kiocb **nxt, ret2 = call_write_iter(req->file, kiocb, &iter); else ret2 = loop_rw_iter(WRITE, req->file, kiocb, &iter); + /* + * Raw bdev writes will -EOPNOTSUPP for IOCB_NOWAIT. Just + * retry them without IOCB_NOWAIT. + */ + if (ret2 == -EOPNOTSUPP && (kiocb->ki_flags & IOCB_NOWAIT)) + ret2 = -EAGAIN; if (!force_nonblock || ret2 != -EAGAIN) { kiocb_done(kiocb, ret2, nxt, req->in_async); } else {