I am developing a stacking block driver and so far the driver was accepting
requests using the 'make_request' function (without a queue). When I switched to
using a request queue, I noticed that the driver received much more reuquests in a
single call, which is very good for me.
The problem is that the driver must initiate I/O towards the physical device,
which cannot be done inside the function that services the requests. Is there a
way I can process all the request in a context where sleeping is permitted?
I tried to dequeue all the requests using 'blkdev_dequeue_request' but I do not
know how to properly handle request completion.
Thanx in advance.
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