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Re: [Qemu-devel] [PATCH 10/10] usb-storage: migration support

From: Gerd Hoffmann
Subject: Re: [Qemu-devel] [PATCH 10/10] usb-storage: migration support
Date: Fri, 25 May 2012 12:33:20 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.4) Gecko/20120422 Thunderbird/10.0.4


> Can usb-storage have multiple requests in flight (in principle, i.e.
> according to the USB protocol)?

No.  Well, not with the protocol emulated here.

There is a new one for usb storage devices, designed with USB 3.0 in
mind and using streams (usb 3.0 feature) to handle multiple requests in
parallel.  But I guess when ever implementing that it would be a new
device, not a usb-storage extension.


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