[PATCH v2] blktrace: cleanup/fix registration locking

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To: linux-block@xxxxxxxxxxxxxxx
Subject: [PATCH v2] blktrace: cleanup/fix registration locking
From: Jens Axboe <axboe@xxxxxxxxx>
Date: Sun, 5 Nov 2017 09:21:46 -0700

One patch that fixes up a discrepancy in how we lock the queue for
blktrace registration, and one that fixes up how we globally
serialize registering the tracepoints.

Follow-Ups:
- Re: [PATCH v2] blktrace: cleanup/fix registration locking
  - From: Ming Lei
- [PATCH 2/2] blktrace: fix unlocked registration of tracepoints
  - From: Jens Axboe
- [PATCH 1/2] blktrace: fix unlocked access to init/start-stop/teardown
  - From: Jens Axboe

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