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From:   Jens Axboe <axboe@kernel.dk>
To:     linux-block@vger.kernel.org
Subject: [PATCHSET v4 0/6] Various block optimizations
Date:   Fri, 23 Nov 2018 11:34:05 -0700
Message-Id: <20181123183411.8708-1-axboe@kernel.dk>
Sender: linux-block-owner@vger.kernel.org
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Some of these are optimizations, the latter part is prep work
for supporting polling with aio.

Patches against my for-4.21/block branch. These patches can also
be found in my mq-perf branch, though there are other patches
sitting on top of this series (notably aio polling, as mentioned).

Changes since v3:

- Remove ->poll_queue() from nvme-fc
- Fold __nvme_rdma_recv_done() and nvme_rdma_recv_done()
- Drop merged patches
- Merge __blk_mq_poll() and blk_mq_poll()
- Add patch to never redirect polled completions

Changes since v2:

- Include polled swap IO in the poll optimizations
- Get rid of unnecessary write barrier for DIO wakeup
- Fix a potential stall if need_resched() was set and preempt
  wasn't enabled
- Provide separate mq_ops for NVMe with poll queues
- Drop q->mq_ops patch
- Rebase on top of for-4.21/block

Changes since v1:

- Improve nvme irq disabling for polled IO
- Fix barriers in the ordered wakeup for polled O_DIRECT
- Add patch to allow polling to find any command that is done
- Add patch to control whether polling spins or not
- Have async O_DIRECT mark a bio as pollable
- Don't plug for polling

-- 
Jens Axboe