Re: [PATCH v3 3/6] uas: make work list per-device

[Christoph Hellwig]

On Wed, Sep 18, 2013 at 09:33:04AM +0200, Gerd Hoffmann wrote:
> > > While being at it rename the list head from "list" to "work", preparing
> > > for the addition of a second list.
> > 
> > Why do you even the list?
> 
> The list was already there when I took over maintainance ...
> 
> > What would a ordered per-device workqueue not
> > provide?
> 
> Had no reason to look into replacing the list with something else so
> far.  Why do you suggest using a workqueue instead?
> 
> Note that the list is not used in a typical request workflow.  Only in
> case queuing an usb urb failed the request is linked into the list and
> the worker will try to submit the usb urb again.

The driver is only using the list to queue up things into workqueue
context as far as I can see.  Which means it's far easier to leave that
to the workqueue.

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