__io_uring_flush_sq(): remove unnecessary check
submitted is always going to be non-zero, since we check if head and
tail are different at the start of the function.
@@ -90,7 +90,6 @@ static int __io_uring_flush_sq(struct io_uring *ring)
* Ensure that the kernel sees the SQE updates before it sees the tail
* update.
*/
- if (submitted)
io_uring_smp_store_release(sq->ktail, ktail);
return submitted;
