Re: Re: [PATCH v6 2/3] usb-storage: Add Hiksemi USB3-FW to IGNORE_UAS

["zhongling0719@126.com" <zhongling0719@126.com>]

I checked that the device manager was not load the uas driver, And this lower write speed for win10 doesn't seem to use uas protocol for this device.


zhongling0719@126.com
 
From: Alan Stern
Date: 2022-09-17 01:21
To: nana
CC: gregkh; USB mailing list
Subject: Re: [PATCH v6 2/3] usb-storage: Add Hiksemi USB3-FW to IGNORE_UAS
On Fri, Sep 16, 2022 at 02:55:55PM +0800, nana wrote:
> Hi:
>
>     ok,I have upated to v7.
>
>     Sorry , The information in the previous answers about thinkplus(0x17ef,
> 0x3899) comes from the tester, which is somewhat confused.
>
>     I just get the device from other department and the detailed test data
> are as follows:
>
>
> Test the thinkplus(0x17ef, 0x3899) speed by gnome-disk-utility tool.
>
> linux(load uas)：                 linux(not load uas):
>
> read： 394.2 MB/s                read:  382.2 MB/s
>
>
> write:  377.4 MB/s                 write:  347.8 MB/s
>
>
> ---------------------
>
> win10(lower than linux,but more stable):
>
> read : 388.1 MB/s
>
> write: 320   MB/s
>
>
> The main performance differences is write speed.but load uas can cause error
> after long run, not good compatible with uas, So two bosses can
> consideration for the third patch is it feasible.
 
Is there any way for you to tell which protocol Windows uses
(usb-storage or UAS)?
 
Alan Stern