/* everything turned out well, dispose of the aiocb. */
ret = __aio_put_req(ctx, iocb);
+ /*
+ * We have to order our ring_info tail store above and test
+ * of the wait list below outside the wait lock. This is
+ * like in wake_up_bit() where clearing a bit has to be
+ * ordered with the unlocked test.
+ */
+ smp_mb();
+
if (waitqueue_active(&ctx->wait))
wake_up(&ctx->wait);
opcode = IOCB_CMD_PWRITEV;
}
+ /* This matches the pread()/pwrite() logic */
+ if (iocb->ki_pos < 0)
+ return -EINVAL;
+
do {
ret = rw_op(iocb, &iocb->ki_iovec[iocb->ki_cur_seg],
iocb->ki_nr_segs - iocb->ki_cur_seg,