tree 08c2440a6666fc85c612855b9a21c3614a57dd20
parent cccf0ee834559ae0b327b40290e14f6a2a017177
author Pavel Begunkov <asml.silence@gmail.com> 1580170547 +0300
committer Jens Axboe <axboe@kernel.dk> 1580258680 -0700

io-wq: allow grabbing existing io-wq

Export a helper to attach to an existing io-wq, rather than setting up
a new one. This is doable now that we have reference counted io_wq's.

Reported-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>