On Fri, 12 Oct 2012, Ming Lei wrote:

> In fact, the error handling case may be generalized to the context
> which is doing the actual IO transfer, and the change on mass storage
> should be as below. We can find other similar situations too, such as
> mmc thread(mmc_queue_thread).

Right.  But there's a second context in usb-storage that affects I/O 
transfers: usb_stor_pre_reset() and usb_stor_post_reset().  They 
acquire and release a mutex that is used on the I/O path.

Alan Stern

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to