smalloc: get rid of global lock
authorJens Axboe <axboe@fb.com>
Tue, 10 Nov 2015 02:38:15 +0000 (19:38 -0700)
committerJens Axboe <axboe@fb.com>
Tue, 10 Nov 2015 02:38:15 +0000 (19:38 -0700)
We don't dynamically add pools anymore, so we don't need global
read/write locks.

Also drop the needless wrappers around pool locking.

Signed-off-by: Jens Axboe <axboe@fb.com>

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