Re: [REGRESSION] usb: gadget: f_fs: Allow scatter-gather buffers

From: John Stultz
Date: Tue May 21 2019 - 11:36:50 EST

On Tue, May 21, 2019 at 3:04 AM Andrzej Pietrasiewicz
<andrzej.p@xxxxxxxxxxxxx> wrote:
> One thing that becomes evident now is that adb uses async io.
> It seems that interaction of async io and s-g mode should be further
> investigated.

Although on our devices, we have async io disabled w/ adb, as there is
an existing/separate issue w/ the dwc3 driver in 4.19 and older
kernels. So it seems its not strictly connected to async io.